// Code generated by modernc.org/undup from the per-target sqlite_*.go files; DO NOT EDIT. //go:build (freebsd && arm64) || (linux && arm64) || (linux && ppc64le) || (linux && riscv64) || (linux && s390x) || (openbsd && arm64) package sqlite3 import ( "unsafe" "modernc.org/libc" ) type TColumn = struct { FzCnName uintptr F__ccgo8 uint8 Faffinity uint8 FszEst Tu8 FhName Tu8 FiDflt Tu16 FcolFlags Tu16 } // C documentation // // /* // ** A structure for holding a single date and time. // */ type TDateTime = struct { FiJD Tsqlite3_int64 FY int32 FM int32 FD int32 Fh int32 Fm int32 Ftz int32 Fs float64 FvalidJD uint8 FvalidYMD uint8 FvalidHMS uint8 FnFloor uint8 F__ccgo44 uint8 } type TExpr = struct { Fop Tu8 FaffExpr uint8 Fop2 Tu8 Fflags Tu32 Fu struct { FiValue [0]int32 FzToken uintptr } FpLeft uintptr FpRight uintptr Fx struct { FpSelect [0]uintptr FpList uintptr } FnHeight int32 FiTable int32 FiColumn TynVar FiAgg Ti16 Fw struct { FiOfst [0]int32 FiJoin int32 } FpAggInfo uintptr Fy struct { FpWin [0]uintptr FnReg [0]int32 Fsub [0]struct { FiAddr int32 FregReturn int32 } FpTab uintptr } } type TJsonString = struct { FpCtx uintptr FzBuf uintptr FnAlloc Tu64 FnUsed Tu64 FbStatic Tu8 FeErr Tu8 FzSpace [100]uint8 } // C documentation // // /* // ** Each open file is managed by a separate instance of the "Pager" structure. // */ type TPager = struct { FpVfs uintptr FexclusiveMode Tu8 FjournalMode Tu8 FuseJournal Tu8 FnoSync Tu8 FfullSync Tu8 FextraSync Tu8 FsyncFlags Tu8 FwalSyncFlags Tu8 FtempFile Tu8 FnoLock Tu8 FreadOnly Tu8 FmemDb Tu8 FmemVfs Tu8 FeState Tu8 FeLock Tu8 FchangeCountDone Tu8 FsetSuper Tu8 FdoNotSpill Tu8 FsubjInMemory Tu8 FbUseFetch Tu8 FhasHeldSharedLock Tu8 FdbSize TPgno FdbOrigSize TPgno FdbFileSize TPgno FdbHintSize TPgno FerrCode int32 FnRec int32 FcksumInit Tu32 FnSubRec Tu32 FpInJournal uintptr Ffd uintptr Fjfd uintptr Fsjfd uintptr FjournalOff Ti64 FjournalHdr Ti64 FpBackup uintptr FaSavepoint uintptr FnSavepoint int32 FiDataVersion Tu32 FdbFileVers [16]uint8 FnMmapOut int32 FszMmap Tsqlite3_int64 FpMmapFreelist uintptr FnExtra Tu16 FnReserve Ti16 FvfsFlags Tu32 FsectorSize Tu32 FmxPgno TPgno FlckPgno TPgno FpageSize Ti64 FjournalSizeLimit Ti64 FzFilename uintptr FzJournal uintptr FxBusyHandler uintptr FpBusyHandlerArg uintptr FaStat [4]Tu32 FxReiniter uintptr FxGet uintptr FpTmpSpace uintptr FpPCache uintptr FpWal uintptr FzWal uintptr } type Tsqlite3rbu = struct { FeStage int32 FdbMain uintptr FdbRbu uintptr FzTarget uintptr FzRbu uintptr FzState uintptr FzStateDb [5]uint8 Frc int32 FzErrmsg uintptr FnStep int32 FnProgress Tsqlite3_int64 Fobjiter TRbuObjIter FzVfsName uintptr FpTargetFd uintptr FnPagePerSector int32 FiOalSz Ti64 FnPhaseOneStep Ti64 FpRenameArg uintptr FxRename uintptr FiMaxFrame Tu32 FmLock Tu32 FnFrame int32 FnFrameAlloc int32 FaFrame uintptr Fpgsz int32 FaBuf uintptr FiWalCksum Ti64 FszTemp Ti64 FszTempLimit Ti64 FnRbu int32 FpRbuFd uintptr } // C documentation // // /* // ** Allocate memory to hold names for a database, journal file, WAL file, // ** and query parameters. The pointer returned is valid for use by // ** sqlite3_filename_database() and sqlite3_uri_parameter() and related // ** functions. // ** // ** Memory layout must be compatible with that generated by the pager // ** and expected by sqlite3_uri_parameter() and databaseName(). // */ func Xsqlite3_create_filename(tls *libc.TLS, zDatabase uintptr, zJournal uintptr, zWal uintptr, nParam int32, azParam uintptr) (r uintptr) { var i int32 var nByte Tsqlite3_int64 var p, pResult, v2 uintptr _, _, _, _, _ = i, nByte, p, pResult, v2 nByte = libc.Int64FromUint64(libc.Xstrlen(tls, zDatabase) + libc.Xstrlen(tls, zJournal) + libc.Xstrlen(tls, zWal) + uint64(10)) i = 0 for { if !(i < nParam*int32(2)) { break } nByte = libc.Int64FromUint64(uint64(nByte) + uint64(libc.Xstrlen(tls, **(**uintptr)(__ccgo_up(azParam + uintptr(i)*8)))+libc.Uint64FromInt32(1))) goto _1 _1: ; i = i + 1 } v2 = Xsqlite3_malloc64(tls, libc.Uint64FromInt64(nByte)) p = v2 pResult = v2 if p == uintptr(0) { return uintptr(0) } libc.Xmemset(tls, p, 0, uint64(4)) p = p + uintptr(4) p = _appendText(tls, p, zDatabase) i = 0 for { if !(i < nParam*int32(2)) { break } p = _appendText(tls, p, **(**uintptr)(__ccgo_up(azParam + uintptr(i)*8))) goto _3 _3: ; i = i + 1 } v2 = p p = p + 1 **(**uint8)(__ccgo_up(v2)) = uint8(0) p = _appendText(tls, p, zJournal) p = _appendText(tls, p, zWal) v2 = p p = p + 1 **(**uint8)(__ccgo_up(v2)) = uint8(0) v2 = p p = p + 1 **(**uint8)(__ccgo_up(v2)) = uint8(0) return pResult + uintptr(4) } // C documentation // // /* // ** Return the sqlite3_file for the main database given the name // ** of the corresponding WAL or Journal name as passed into // ** xOpen. // */ func Xsqlite3_database_file_object(tls *libc.TLS, zName uintptr) (r uintptr) { var p, pPager uintptr _, _ = p, pPager for libc.Int32FromUint8(**(**uint8)(__ccgo_up(zName + uintptr(-libc.Int32FromInt32(1))))) != 0 || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zName + uintptr(-libc.Int32FromInt32(2))))) != 0 || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zName + uintptr(-libc.Int32FromInt32(3))))) != 0 || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zName + uintptr(-libc.Int32FromInt32(4))))) != 0 { zName = zName - 1 } p = zName - uintptr(4) - uintptr(8) pPager = **(**uintptr)(__ccgo_up(p)) return (*TPager)(unsafe.Pointer(pPager)).Ffd } // C documentation // // /* // ** This function is called from within a pre-update callback to retrieve // ** a field of the row currently being updated or deleted. // */ func Xsqlite3_preupdate_old(tls *libc.TLS, db uintptr, iIdx int32, ppValue uintptr) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var aRec, p, pCol, pDflt, pMem, v1 uintptr var iStore, nByte, rc int32 var nRec Tu32 var _ /* pVal at bp+0 */ uintptr _, _, _, _, _, _, _, _, _, _ = aRec, iStore, nByte, nRec, p, pCol, pDflt, pMem, rc, v1 rc = SQLITE_OK iStore = 0 p = (*Tsqlite3)(unsafe.Pointer(db)).FpPreUpdate /* Test that this call is being made from within an SQLITE_DELETE or ** SQLITE_UPDATE pre-update callback, and that iIdx is within range. */ if !(p != 0) || (*TPreUpdate)(unsafe.Pointer(p)).Fop == int32(SQLITE_INSERT) { rc = _sqlite3MisuseError(tls, int32(95913)) goto preupdate_old_out } if (*TPreUpdate)(unsafe.Pointer(p)).FpPk != 0 { iStore = _sqlite3TableColumnToIndex(tls, (*TPreUpdate)(unsafe.Pointer(p)).FpPk, iIdx) } else { if iIdx >= int32((*TTable)(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpTab)).FnCol) { rc = _sqlite3MisuseError(tls, int32(95919)) goto preupdate_old_out } else { iStore = int32(_sqlite3TableColumnToStorage(tls, (*TPreUpdate)(unsafe.Pointer(p)).FpTab, int16(iIdx))) } } if iStore >= int32((*TVdbeCursor)(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpCsr)).FnField) || iStore < 0 { rc = int32(SQLITE_RANGE) goto preupdate_old_out } if iIdx == int32((*TTable)(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpTab)).FiPKey) { v1 = p + 80 pMem = v1 **(**uintptr)(__ccgo_up(ppValue)) = v1 _sqlite3VdbeMemSetInt64(tls, pMem, (*TPreUpdate)(unsafe.Pointer(p)).FiKey1) } else { /* If the old.* record has not yet been loaded into memory, do so now. */ if (*TPreUpdate)(unsafe.Pointer(p)).FpUnpacked == uintptr(0) { nRec = _sqlite3BtreePayloadSize(tls, *(*uintptr)(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpCsr + 48))) aRec = _sqlite3DbMallocRaw(tls, db, uint64(nRec)) if !(aRec != 0) { goto preupdate_old_out } rc = _sqlite3BtreePayload(tls, *(*uintptr)(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpCsr + 48)), uint32(0), nRec, aRec) if rc == SQLITE_OK { (*TPreUpdate)(unsafe.Pointer(p)).FpUnpacked = _vdbeUnpackRecord(tls, (*TPreUpdate)(unsafe.Pointer(p)).FpKeyinfo, libc.Int32FromUint32(nRec), aRec) if !((*TPreUpdate)(unsafe.Pointer(p)).FpUnpacked != 0) { rc = int32(SQLITE_NOMEM) } } if rc != SQLITE_OK { _sqlite3DbFree(tls, db, aRec) goto preupdate_old_out } (*TPreUpdate)(unsafe.Pointer(p)).FaRecord = aRec } v1 = (*TUnpackedRecord)(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpUnpacked)).FaMem + uintptr(iStore)*56 **(**uintptr)(__ccgo_up(ppValue)) = v1 pMem = v1 if iStore >= libc.Int32FromUint16((*TUnpackedRecord)(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpUnpacked)).FnField) { /* This occurs when the table has been extended using ALTER TABLE ** ADD COLUMN. The value to return is the default value of the column. */ pCol = (*TTable)(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpTab)).FaCol + uintptr(iIdx)*16 if libc.Int32FromUint16((*TColumn)(unsafe.Pointer(pCol)).FiDflt) > 0 { if (*TPreUpdate)(unsafe.Pointer(p)).FapDflt == uintptr(0) { nByte = libc.Int32FromUint64(uint64(8) * libc.Uint64FromInt16((*TTable)(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpTab)).FnCol)) (*TPreUpdate)(unsafe.Pointer(p)).FapDflt = _sqlite3DbMallocZero(tls, db, libc.Uint64FromInt32(nByte)) if (*TPreUpdate)(unsafe.Pointer(p)).FapDflt == uintptr(0) { goto preupdate_old_out } } if **(**uintptr)(__ccgo_up((*TPreUpdate)(unsafe.Pointer(p)).FapDflt + uintptr(iIdx)*8)) == uintptr(0) { **(**uintptr)(__ccgo_up(bp)) = uintptr(0) pDflt = (*(*TExprList_item)(unsafe.Pointer((*(*struct { FaddColOffset int32 FpFKey uintptr FpDfltList uintptr })(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpTab + 64))).FpDfltList + 8 + uintptr(libc.Int32FromUint16((*TColumn)(unsafe.Pointer(pCol)).FiDflt)-int32(1))*32))).FpExpr rc = _sqlite3ValueFromExpr(tls, db, pDflt, (*Tsqlite3)(unsafe.Pointer(db)).Fenc, (*TColumn)(unsafe.Pointer(pCol)).Faffinity, bp) if rc == SQLITE_OK && **(**uintptr)(__ccgo_up(bp)) == uintptr(0) { rc = _sqlite3CorruptError(tls, int32(95975)) } **(**uintptr)(__ccgo_up((*TPreUpdate)(unsafe.Pointer(p)).FapDflt + uintptr(iIdx)*8)) = **(**uintptr)(__ccgo_up(bp)) } **(**uintptr)(__ccgo_up(ppValue)) = **(**uintptr)(__ccgo_up((*TPreUpdate)(unsafe.Pointer(p)).FapDflt + uintptr(iIdx)*8)) } else { **(**uintptr)(__ccgo_up(ppValue)) = _columnNullValue(tls) } } else { if libc.Int32FromUint8((**(**TColumn)(__ccgo_up((*TTable)(unsafe.Pointer((*TPreUpdate)(unsafe.Pointer(p)).FpTab)).FaCol + uintptr(iIdx)*16))).Faffinity) == int32(SQLITE_AFF_REAL) { if libc.Int32FromUint16((*TMem)(unsafe.Pointer(pMem)).Fflags)&(libc.Int32FromInt32(MEM_Int)|libc.Int32FromInt32(MEM_IntReal)) != 0 { _sqlite3VdbeMemRealify(tls, pMem) } } } } goto preupdate_old_out preupdate_old_out: ; _sqlite3Error(tls, db, rc) return _sqlite3ApiExit(tls, db, rc) } // C documentation // // /* // ** Append N copies of character c to the given string buffer. // */ func Xsqlite3_str_appendchar(tls *libc.TLS, p uintptr, N int32, c uint8) { var v1 int32 var v2 bool var v4 Tu32 var v5 uintptr _, _, _, _ = v1, v2, v4, v5 if v2 = libc.Int64FromUint32((*Tsqlite3_str)(unsafe.Pointer(p)).FnChar)+int64(N) >= libc.Int64FromUint32((*Tsqlite3_str)(unsafe.Pointer(p)).FnAlloc); v2 { v1 = _sqlite3StrAccumEnlarge(tls, p, int64(N)) N = v1 } if v2 && v1 <= 0 { return } for { v1 = N N = N - 1 if !(v1 > 0) { break } v5 = p + 24 v4 = *(*Tu32)(unsafe.Pointer(v5)) *(*Tu32)(unsafe.Pointer(v5)) = *(*Tu32)(unsafe.Pointer(v5)) + 1 **(**uint8)(__ccgo_up((*Tsqlite3_str)(unsafe.Pointer(p)).FzText + uintptr(v4))) = c } } // C documentation // // /* // ** Print into memory obtained from sqlite3_malloc(). Omit the internal // ** %-conversion extensions. // */ func Xsqlite3_vmprintf(tls *libc.TLS, zFormat uintptr, ap Tva_list) (r uintptr) { bp := tls.Alloc(112) defer tls.Free(112) var z uintptr var _ /* acc at bp+72 */ TStrAccum var _ /* zBase at bp+0 */ [70]uint8 _ = z if Xsqlite3_initialize(tls) != 0 { return uintptr(0) } _sqlite3StrAccumInit(tls, bp+72, uintptr(0), bp, int32(70), int32(SQLITE_MAX_LENGTH)) Xsqlite3_str_vappendf(tls, bp+72, zFormat, ap) z = _sqlite3StrAccumFinish(tls, bp+72) return z } // C documentation // // /* // ** Processing is determine by the affinity parameter: // ** // ** SQLITE_AFF_INTEGER: // ** SQLITE_AFF_REAL: // ** SQLITE_AFF_NUMERIC: // ** Try to convert pRec to an integer representation or a // ** floating-point representation if an integer representation // ** is not possible. Note that the integer representation is // ** always preferred, even if the affinity is REAL, because // ** an integer representation is more space efficient on disk. // ** // ** SQLITE_AFF_FLEXNUM: // ** If the value is text, then try to convert it into a number of // ** some kind (integer or real) but do not make any other changes. // ** // ** SQLITE_AFF_TEXT: // ** Convert pRec to a text representation. // ** // ** SQLITE_AFF_BLOB: // ** SQLITE_AFF_NONE: // ** No-op. pRec is unchanged. // */ func _applyAffinity(tls *libc.TLS, pRec uintptr, affinity uint8, enc Tu8) { var v1 uintptr _ = v1 if libc.Int32FromUint8(affinity) >= int32(SQLITE_AFF_NUMERIC) { if libc.Int32FromUint16((*TMem)(unsafe.Pointer(pRec)).Fflags)&int32(MEM_Int) == 0 { /*OPTIMIZATION-IF-FALSE*/ if libc.Int32FromUint16((*TMem)(unsafe.Pointer(pRec)).Fflags)&(libc.Int32FromInt32(MEM_Real)|libc.Int32FromInt32(MEM_IntReal)) == 0 { if libc.Int32FromUint16((*TMem)(unsafe.Pointer(pRec)).Fflags)&int32(MEM_Str) != 0 { _applyNumericAffinity(tls, pRec, int32(1)) } } else { if libc.Int32FromUint8(affinity) <= int32(SQLITE_AFF_REAL) { _sqlite3VdbeIntegerAffinity(tls, pRec) } } } } else { if libc.Int32FromUint8(affinity) == int32(SQLITE_AFF_TEXT) { /* Only attempt the conversion to TEXT if there is an integer or real ** representation (blob and NULL do not get converted) but no string ** representation. It would be harmless to repeat the conversion if ** there is already a string rep, but it is pointless to waste those ** CPU cycles. */ if 0 == libc.Int32FromUint16((*TMem)(unsafe.Pointer(pRec)).Fflags)&int32(MEM_Str) { /*OPTIMIZATION-IF-FALSE*/ if libc.Int32FromUint16((*TMem)(unsafe.Pointer(pRec)).Fflags)&(libc.Int32FromInt32(MEM_Real)|libc.Int32FromInt32(MEM_Int)|libc.Int32FromInt32(MEM_IntReal)) != 0 { _sqlite3VdbeMemStringify(tls, pRec, enc, uint8(1)) } } v1 = pRec + 20 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) & ^(libc.Int32FromInt32(MEM_Real) | libc.Int32FromInt32(MEM_Int) | libc.Int32FromInt32(MEM_IntReal))) } } } // C documentation // // /* // ** Generate code that will evaluate all == and IN constraints for an // ** index scan. // ** // ** For example, consider table t1(a,b,c,d,e,f) with index i1(a,b,c). // ** Suppose the WHERE clause is this: a==5 AND b IN (1,2,3) AND c>5 AND c<10 // ** The index has as many as three equality constraints, but in this // ** example, the third "c" value is an inequality. So only two // ** constraints are coded. This routine will generate code to evaluate // ** a==5 and b IN (1,2,3). The current values for a and b will be stored // ** in consecutive registers and the index of the first register is returned. // ** // ** In the example above nEq==2. But this subroutine works for any value // ** of nEq including 0. If nEq==0, this routine is nearly a no-op. // ** The only thing it does is allocate the pLevel->iMem memory cell and // ** compute the affinity string. // ** // ** The nExtraReg parameter is 0 or 1. It is 0 if all WHERE clause constraints // ** are == or IN and are covered by the nEq. nExtraReg is 1 if there is // ** an inequality constraint (such as the "c>=5 AND c<10" in the example) that // ** occurs after the nEq quality constraints. // ** // ** This routine allocates a range of nEq+nExtraReg memory cells and returns // ** the index of the first memory cell in that range. The code that // ** calls this routine will use that memory range to store keys for // ** start and termination conditions of the loop. // ** key value of the loop. If one or more IN operators appear, then // ** this routine allocates an additional nEq memory cells for internal // ** use. // ** // ** Before returning, *pzAff is set to point to a buffer containing a // ** copy of the column affinity string of the index allocated using // ** sqlite3DbMalloc(). Except, entries in the copy of the string associated // ** with equality constraints that use BLOB or NONE affinity are set to // ** SQLITE_AFF_BLOB. This is to deal with SQL such as the following: // ** // ** CREATE TABLE t1(a TEXT PRIMARY KEY, b); // ** SELECT ... FROM t1 AS t2, t1 WHERE t1.a = t2.b; // ** // ** In the example above, the index on t1(a) has TEXT affinity. But since // ** the right hand side of the equality constraint (t2.b) has BLOB/NONE affinity, // ** no conversion should be attempted before using a t2.b value as part of // ** a key to search the index. Hence the first byte in the returned affinity // ** string in this example would be set to SQLITE_AFF_BLOB. // */ func _codeAllEqualityTerms(tls *libc.TLS, pParse uintptr, pLevel uintptr, bRev int32, nExtraReg int32, pzAff uintptr) (r int32) { var iIdxCur, j, nReg, r1, regBase, v1 int32 var nEq, nSkip Tu16 var pIdx, pLoop, pRight, pTerm, v, zAff uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _ = iIdxCur, j, nEq, nReg, nSkip, pIdx, pLoop, pRight, pTerm, r1, regBase, v, zAff, v1 /* Number of left-most columns to skip */ v = (*TParse)(unsafe.Pointer(pParse)).FpVdbe /* Affinity string to return */ /* This module is only called on query plans that use an index. */ pLoop = (*TWhereLevel)(unsafe.Pointer(pLevel)).FpWLoop nEq = (*(*struct { FnEq Tu16 FnBtm Tu16 FnTop Tu16 FnDistinctCol Tu16 FpIndex uintptr FpOrderBy uintptr })(unsafe.Pointer(pLoop + 24))).FnEq nSkip = (*TWhereLoop)(unsafe.Pointer(pLoop)).FnSkip pIdx = (*(*struct { FnEq Tu16 FnBtm Tu16 FnTop Tu16 FnDistinctCol Tu16 FpIndex uintptr FpOrderBy uintptr })(unsafe.Pointer(pLoop + 24))).FpIndex /* Figure out how many memory cells we will need then allocate them. */ regBase = (*TParse)(unsafe.Pointer(pParse)).FnMem + int32(1) nReg = libc.Int32FromUint16(nEq) + nExtraReg **(**int32)(__ccgo_up(pParse + 60)) += nReg zAff = _sqlite3DbStrDup(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, _sqlite3IndexAffinityStr(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, pIdx)) if nSkip != 0 { iIdxCur = (*TWhereLevel)(unsafe.Pointer(pLevel)).FiIdxCur _sqlite3VdbeAddOp3(tls, v, int32(OP_Null), 0, regBase, regBase+libc.Int32FromUint16(nSkip)-int32(1)) if bRev != 0 { v1 = int32(OP_Last) } else { v1 = int32(OP_Rewind) } _sqlite3VdbeAddOp1(tls, v, v1, iIdxCur) j = _sqlite3VdbeAddOp0(tls, v, int32(OP_Goto)) if bRev != 0 { v1 = int32(OP_SeekLT) } else { v1 = int32(OP_SeekGT) } (*TWhereLevel)(unsafe.Pointer(pLevel)).FaddrSkip = _sqlite3VdbeAddOp4Int(tls, v, v1, iIdxCur, 0, regBase, libc.Int32FromUint16(nSkip)) _sqlite3VdbeJumpHere(tls, v, j) j = 0 for { if !(j < libc.Int32FromUint16(nSkip)) { break } _sqlite3VdbeAddOp3(tls, v, int32(OP_Column), iIdxCur, j, regBase+j) goto _3 _3: ; j = j + 1 } } /* Evaluate the equality constraints */ j = libc.Int32FromUint16(nSkip) for { if !(j < libc.Int32FromUint16(nEq)) { break } pTerm = **(**uintptr)(__ccgo_up((*TWhereLoop)(unsafe.Pointer(pLoop)).FaLTerm + uintptr(j)*8)) /* The following testcase is true for indices with redundant columns. ** Ex: CREATE INDEX i1 ON t1(a,b,a); SELECT * FROM t1 WHERE a=0 AND b=0; */ r1 = _codeEqualityTerm(tls, pParse, pTerm, pLevel, j, bRev, regBase+j) if r1 != regBase+j { if nReg == int32(1) { _sqlite3ReleaseTempReg(tls, pParse, regBase) regBase = r1 } else { _sqlite3VdbeAddOp2(tls, v, int32(OP_Copy), r1, regBase+j) } } if libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pTerm)).FeOperator)&int32(WO_IN) != 0 { if (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr)).Fflags&uint32(EP_xIsSelect) != 0 { /* No affinity ever needs to be (or should be) applied to a value ** from the RHS of an "? IN (SELECT ...)" expression. The ** sqlite3FindInIndex() routine has already ensured that the ** affinity of the comparison has been applied to the value. */ if zAff != 0 { **(**uint8)(__ccgo_up(zAff + uintptr(j))) = uint8(SQLITE_AFF_BLOB) } } } else { if libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pTerm)).FeOperator)&int32(WO_ISNULL) == 0 { pRight = (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr)).FpRight if libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pTerm)).FwtFlags)&int32(TERM_IS) == 0 && _sqlite3ExprCanBeNull(tls, pRight) != 0 { _sqlite3VdbeAddOp2(tls, v, int32(OP_IsNull), regBase+j, (*TWhereLevel)(unsafe.Pointer(pLevel)).FaddrBrk) } if (*TParse)(unsafe.Pointer(pParse)).FnErr == 0 { if libc.Int32FromUint8(_sqlite3CompareAffinity(tls, pRight, **(**uint8)(__ccgo_up(zAff + uintptr(j))))) == int32(SQLITE_AFF_BLOB) { **(**uint8)(__ccgo_up(zAff + uintptr(j))) = uint8(SQLITE_AFF_BLOB) } if _sqlite3ExprNeedsNoAffinityChange(tls, pRight, **(**uint8)(__ccgo_up(zAff + uintptr(j)))) != 0 { **(**uint8)(__ccgo_up(zAff + uintptr(j))) = uint8(SQLITE_AFF_BLOB) } } } } goto _4 _4: ; j = j + 1 } **(**uintptr)(__ccgo_up(pzAff)) = zAff return regBase } // C documentation // // /* // ** Generate code for the RETURNING trigger. Unlike other triggers // ** that invoke a subprogram in the bytecode, the code for RETURNING // ** is generated in-line. // */ func _codeReturningTrigger(tls *libc.TLS, pParse uintptr, pTrigger uintptr, pTab uintptr, regIn int32) { bp := tls.Alloc(272) defer tls.Free(272) var db, pCol, pFrom, pNew, pReturning, v, v2 uintptr var i, nCol, reg, v1 int32 var _ /* sNC at bp+208 */ TNameContext var _ /* sSelect at bp+0 */ TSelect var _ /* uSrc at bp+120 */ struct { FfromSpace [0][88]Tu8 FsSrc TSrcList F__ccgo_pad2 [80]byte } _, _, _, _, _, _, _, _, _, _, _ = db, i, nCol, pCol, pFrom, pNew, pReturning, reg, v, v1, v2 v = (*TParse)(unsafe.Pointer(pParse)).FpVdbe db = (*TParse)(unsafe.Pointer(pParse)).Fdb if !(int32(Tbft(*(*uint16)(unsafe.Pointer(pParse + 40))&0x8>>3)) != 0) { /* This RETURNING trigger must be for a different statement as ** this statement lacks a RETURNING clause. */ return } pReturning = (*(*struct { FpReturning uintptr })(unsafe.Pointer(&(*TParse)(unsafe.Pointer(pParse)).Fu1))).FpReturning if pTrigger != pReturning+16 { /* This RETURNING trigger is for a different statement */ return } libc.Xmemset(tls, bp, 0, uint64(120)) libc.Xmemset(tls, bp+120, 0, uint64(88)) pFrom = bp + 120 (**(**TSelect)(__ccgo_up(bp))).FpEList = _sqlite3ExprListDup(tls, db, (*TReturning)(unsafe.Pointer(pReturning)).FpReturnEL, 0) (**(**TSelect)(__ccgo_up(bp))).FpSrc = pFrom (*TSrcList)(unsafe.Pointer(pFrom)).FnSrc = int32(1) (*(*TSrcItem)(unsafe.Pointer(pFrom + 8))).FpSTab = pTab (*(*TSrcItem)(unsafe.Pointer(pFrom + 8))).FzName = (*TTable)(unsafe.Pointer(pTab)).FzName /* tag-20240424-1 */ (*(*TSrcItem)(unsafe.Pointer(pFrom + 8))).FiCursor = -int32(1) _sqlite3SelectPrep(tls, pParse, bp, uintptr(0)) if (*TParse)(unsafe.Pointer(pParse)).FnErr == 0 { _sqlite3GenerateColumnNames(tls, pParse, bp) } _sqlite3ExprListDelete(tls, db, (**(**TSelect)(__ccgo_up(bp))).FpEList) pNew = _sqlite3ExpandReturning(tls, pParse, (*TReturning)(unsafe.Pointer(pReturning)).FpReturnEL, pTab) if (*TParse)(unsafe.Pointer(pParse)).FnErr == 0 { libc.Xmemset(tls, bp+208, 0, uint64(56)) if (*TReturning)(unsafe.Pointer(pReturning)).FnRetCol == 0 { (*TReturning)(unsafe.Pointer(pReturning)).FnRetCol = (*TExprList)(unsafe.Pointer(pNew)).FnExpr v2 = pParse + 56 v1 = *(*int32)(unsafe.Pointer(v2)) *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 (*TReturning)(unsafe.Pointer(pReturning)).FiRetCur = v1 } (**(**TNameContext)(__ccgo_up(bp + 208))).FpParse = pParse *(*int32)(unsafe.Pointer(bp + 208 + 16)) = regIn (**(**TNameContext)(__ccgo_up(bp + 208))).FncFlags = int32(NC_UBaseReg) (*TParse)(unsafe.Pointer(pParse)).FeTriggerOp = (*TTrigger)(unsafe.Pointer(pTrigger)).Fop (*TParse)(unsafe.Pointer(pParse)).FpTriggerTab = pTab if _sqlite3ResolveExprListNames(tls, bp+208, pNew) == SQLITE_OK && !((*Tsqlite3)(unsafe.Pointer(db)).FmallocFailed != 0) { nCol = (*TExprList)(unsafe.Pointer(pNew)).FnExpr reg = (*TParse)(unsafe.Pointer(pParse)).FnMem + int32(1) _sqlite3ProcessReturningSubqueries(tls, pNew, pTab) **(**int32)(__ccgo_up(pParse + 60)) += nCol + int32(2) (*TReturning)(unsafe.Pointer(pReturning)).FiRetReg = reg i = 0 for { if !(i < nCol) { break } pCol = (*(*TExprList_item)(unsafe.Pointer(pNew + 8 + uintptr(i)*32))).FpExpr /* Due to !db->mallocFailed ~9 lines above */ _sqlite3ExprCodeFactorable(tls, pParse, pCol, reg+i) if libc.Int32FromUint8(_sqlite3ExprAffinity(tls, pCol)) == int32(SQLITE_AFF_REAL) { _sqlite3VdbeAddOp1(tls, v, int32(OP_RealAffinity), reg+i) } goto _3 _3: ; i = i + 1 } _sqlite3VdbeAddOp3(tls, v, int32(OP_MakeRecord), reg, i, reg+i) _sqlite3VdbeAddOp2(tls, v, int32(OP_NewRowid), (*TReturning)(unsafe.Pointer(pReturning)).FiRetCur, reg+i+int32(1)) _sqlite3VdbeAddOp3(tls, v, int32(OP_Insert), (*TReturning)(unsafe.Pointer(pReturning)).FiRetCur, reg+i, reg+i+int32(1)) } } _sqlite3ExprListDelete(tls, db, pNew) (*TParse)(unsafe.Pointer(pParse)).FeTriggerOp = uint8(0) (*TParse)(unsafe.Pointer(pParse)).FpTriggerTab = uintptr(0) } // C documentation // // /* // ** pExpr is a comparison operator. Return the type affinity that should // ** be applied to both operands prior to doing the comparison. // */ func _comparisonAffinity(tls *libc.TLS, pExpr uintptr) (r uint8) { var aff uint8 _ = aff aff = _sqlite3ExprAffinity(tls, (*TExpr)(unsafe.Pointer(pExpr)).FpLeft) if (*TExpr)(unsafe.Pointer(pExpr)).FpRight != 0 { aff = _sqlite3CompareAffinity(tls, (*TExpr)(unsafe.Pointer(pExpr)).FpRight, aff) } else { if (*TExpr)(unsafe.Pointer(pExpr)).Fflags&uint32(EP_xIsSelect) != uint32(0) { aff = _sqlite3CompareAffinity(tls, (*(*TExprList_item)(unsafe.Pointer((*TSelect)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pExpr + 32)))).FpEList + 8))).FpExpr, aff) } else { if libc.Int32FromUint8(aff) == 0 { aff = uint8(SQLITE_AFF_BLOB) } } } return aff } // C documentation // // /* // ** Return true if any of the result-set columns in the compound query // ** have incompatible affinities on one or more arms of the compound. // */ func _compoundHasDifferentAffinities(tls *libc.TLS, p uintptr) (r int32) { var aff uint8 var ii int32 var pList, pSub1 uintptr _, _, _, _ = aff, ii, pList, pSub1 pList = (*TSelect)(unsafe.Pointer(p)).FpEList ii = 0 for { if !(ii < (*TExprList)(unsafe.Pointer(pList)).FnExpr) { break } aff = _sqlite3ExprAffinity(tls, (*(*TExprList_item)(unsafe.Pointer(pList + 8 + uintptr(ii)*32))).FpExpr) pSub1 = (*TSelect)(unsafe.Pointer(p)).FpPrior for { if !(pSub1 != 0) { break } if libc.Int32FromUint8(_sqlite3ExprAffinity(tls, (*(*TExprList_item)(unsafe.Pointer((*TSelect)(unsafe.Pointer(pSub1)).FpEList + 8 + uintptr(ii)*32))).FpExpr)) != libc.Int32FromUint8(aff) { return int32(1) } goto _2 _2: ; pSub1 = (*TSelect)(unsafe.Pointer(pSub1)).FpPrior } goto _1 _1: ; ii = ii + 1 } return 0 } // C documentation // // /* // ** Return a pointer to the column affinity string associated with index // ** pIdx. A column affinity string has one character for each column in // ** the table, according to the affinity of the column: // ** // ** Character Column affinity // ** ------------------------------ // ** 'A' BLOB // ** 'B' TEXT // ** 'C' NUMERIC // ** 'D' INTEGER // ** 'F' REAL // ** // ** An extra 'D' is appended to the end of the string to cover the // ** rowid that appears as the last column in every index. // ** // ** Memory for the buffer containing the column index affinity string // ** is managed along with the rest of the Index structure. It will be // ** released when sqlite3DeleteIndex() is called. // */ func _computeIndexAffStr(tls *libc.TLS, db uintptr, pIdx uintptr) (r uintptr) { var aff uint8 var n int32 var pTab uintptr var x Ti16 _, _, _, _ = aff, n, pTab, x pTab = (*TIndex)(unsafe.Pointer(pIdx)).FpTable (*TIndex)(unsafe.Pointer(pIdx)).FzColAff = _sqlite3DbMallocRaw(tls, uintptr(0), libc.Uint64FromInt32(libc.Int32FromUint16((*TIndex)(unsafe.Pointer(pIdx)).FnColumn)+int32(1))) if !((*TIndex)(unsafe.Pointer(pIdx)).FzColAff != 0) { _sqlite3OomFault(tls, db) return uintptr(0) } n = 0 for { if !(n < libc.Int32FromUint16((*TIndex)(unsafe.Pointer(pIdx)).FnColumn)) { break } x = **(**Ti16)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FaiColumn + uintptr(n)*2)) if int32(x) >= 0 { aff = (**(**TColumn)(__ccgo_up((*TTable)(unsafe.Pointer(pTab)).FaCol + uintptr(x)*16))).Faffinity } else { if int32(x) == -int32(1) { aff = uint8(SQLITE_AFF_INTEGER) } else { aff = _sqlite3ExprAffinity(tls, (*(*TExprList_item)(unsafe.Pointer((*TIndex)(unsafe.Pointer(pIdx)).FaColExpr + 8 + uintptr(n)*32))).FpExpr) } } if libc.Int32FromUint8(aff) < int32(SQLITE_AFF_BLOB) { aff = uint8(SQLITE_AFF_BLOB) } if libc.Int32FromUint8(aff) > int32(SQLITE_AFF_NUMERIC) { aff = uint8(SQLITE_AFF_NUMERIC) } **(**uint8)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FzColAff + uintptr(n))) = aff goto _1 _1: ; n = n + 1 } **(**uint8)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FzColAff + uintptr(n))) = uint8(0) return (*TIndex)(unsafe.Pointer(pIdx)).FzColAff } // C documentation // // /* The core implementation of the CONCAT(...) and CONCAT_WS(SEP,...) // ** functions. // ** // ** Return a string value that is the concatenation of all non-null // ** entries in argv[]. Use zSep as the separator. // */ func _concatFuncCore(tls *libc.TLS, context uintptr, argc int32, argv uintptr, nSep int32, zSep uintptr) { var bNotNull, i, k int32 var j, n Ti64 var v, z uintptr _, _, _, _, _, _, _ = bNotNull, i, j, k, n, v, z n = 0 bNotNull = 0 i = 0 for { if !(i < argc) { break } n = n + int64(Xsqlite3_value_bytes(tls, **(**uintptr)(__ccgo_up(argv + uintptr(i)*8)))) goto _1 _1: ; i = i + 1 } n = n + int64(argc-libc.Int32FromInt32(1))*int64(nSep) z = Xsqlite3_malloc64(tls, libc.Uint64FromInt64(n+int64(1))) if z == uintptr(0) { Xsqlite3_result_error_nomem(tls, context) return } j = 0 i = 0 for { if !(i < argc) { break } if Xsqlite3_value_type(tls, **(**uintptr)(__ccgo_up(argv + uintptr(i)*8))) != int32(SQLITE_NULL) { k = Xsqlite3_value_bytes(tls, **(**uintptr)(__ccgo_up(argv + uintptr(i)*8))) v = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(argv + uintptr(i)*8))) if v != uintptr(0) { if bNotNull != 0 && nSep > 0 { libc.Xmemcpy(tls, z+uintptr(j), zSep, libc.Uint64FromInt32(nSep)) j = j + int64(nSep) } libc.Xmemcpy(tls, z+uintptr(j), v, libc.Uint64FromInt32(k)) j = j + int64(k) bNotNull = int32(1) } } goto _2 _2: ; i = i + 1 } **(**uint8)(__ccgo_up(z + uintptr(j))) = uint8(0) Xsqlite3_result_text64(tls, context, z, libc.Uint64FromInt64(j), __ccgo_fp(Xsqlite3_free), uint8(SQLITE_UTF8_ZT)) } // C documentation // // /* // ** Add a new entry to the pConst object. Except, do not add duplicate // ** pColumn entries. Also, do not add if doing so would not be appropriate. // ** // ** The caller guarantees the pColumn is a column and pValue is a constant. // ** This routine has to do some additional checks before completing the // ** insert. // */ func _constInsert(tls *libc.TLS, pConst uintptr, pColumn uintptr, pValue uintptr, pExpr uintptr) { var i int32 var pE2 uintptr _, _ = i, pE2 if (*TExpr)(unsafe.Pointer(pColumn)).Fflags&libc.Uint32FromInt32(libc.Int32FromInt32(EP_FixedCol)) != uint32(0) { return } if libc.Int32FromUint8(_sqlite3ExprAffinity(tls, pValue)) != 0 { return } if !(_sqlite3IsBinary(tls, _sqlite3ExprCompareCollSeq(tls, (*TWhereConst)(unsafe.Pointer(pConst)).FpParse, pExpr)) != 0) { return } /* 2018-10-25 ticket [cf5ed20f] ** Make sure the same pColumn is not inserted more than once */ i = 0 for { if !(i < (*TWhereConst)(unsafe.Pointer(pConst)).FnConst) { break } pE2 = **(**uintptr)(__ccgo_up((*TWhereConst)(unsafe.Pointer(pConst)).FapExpr + uintptr(i*int32(2))*8)) if (*TExpr)(unsafe.Pointer(pE2)).FiTable == (*TExpr)(unsafe.Pointer(pColumn)).FiTable && int32((*TExpr)(unsafe.Pointer(pE2)).FiColumn) == int32((*TExpr)(unsafe.Pointer(pColumn)).FiColumn) { return /* Already present. Return without doing anything. */ } goto _1 _1: ; i = i + 1 } if libc.Int32FromUint8(_sqlite3ExprAffinity(tls, pColumn)) <= int32(SQLITE_AFF_BLOB) { (*TWhereConst)(unsafe.Pointer(pConst)).FbHasAffBlob = int32(1) } (*TWhereConst)(unsafe.Pointer(pConst)).FnConst = (*TWhereConst)(unsafe.Pointer(pConst)).FnConst + 1 (*TWhereConst)(unsafe.Pointer(pConst)).FapExpr = _sqlite3DbReallocOrFree(tls, (*TParse)(unsafe.Pointer((*TWhereConst)(unsafe.Pointer(pConst)).FpParse)).Fdb, (*TWhereConst)(unsafe.Pointer(pConst)).FapExpr, uint64(libc.Uint64FromInt32((*TWhereConst)(unsafe.Pointer(pConst)).FnConst*int32(2))*uint64(8))) if (*TWhereConst)(unsafe.Pointer(pConst)).FapExpr == uintptr(0) { (*TWhereConst)(unsafe.Pointer(pConst)).FnConst = 0 } else { **(**uintptr)(__ccgo_up((*TWhereConst)(unsafe.Pointer(pConst)).FapExpr + uintptr((*TWhereConst)(unsafe.Pointer(pConst)).FnConst*int32(2)-int32(2))*8)) = pColumn **(**uintptr)(__ccgo_up((*TWhereConst)(unsafe.Pointer(pConst)).FapExpr + uintptr((*TWhereConst)(unsafe.Pointer(pConst)).FnConst*int32(2)-int32(1))*8)) = pValue } } // C documentation // // /* // ** Analyze a term that consists of two or more OR-connected // ** subterms. So in: // ** // ** ... WHERE (a=5) AND (b=7 OR c=9 OR d=13) AND (d=13) // ** ^^^^^^^^^^^^^^^^^^^^ // ** // ** This routine analyzes terms such as the middle term in the above example. // ** A WhereOrTerm object is computed and attached to the term under // ** analysis, regardless of the outcome of the analysis. Hence: // ** // ** WhereTerm.wtFlags |= TERM_ORINFO // ** WhereTerm.u.pOrInfo = a dynamically allocated WhereOrTerm object // ** // ** The term being analyzed must have two or more of OR-connected subterms. // ** A single subterm might be a set of AND-connected sub-subterms. // ** Examples of terms under analysis: // ** // ** (A) t1.x=t2.y OR t1.x=t2.z OR t1.y=15 OR t1.z=t3.a+5 // ** (B) x=expr1 OR expr2=x OR x=expr3 // ** (C) t1.x=t2.y OR (t1.x=t2.z AND t1.y=15) // ** (D) x=expr1 OR (y>11 AND y<22 AND z LIKE '*hello*') // ** (E) (p.a=1 AND q.b=2 AND r.c=3) OR (p.x=4 AND q.y=5 AND r.z=6) // ** (F) x>A OR (x=A AND y>=B) // ** // ** CASE 1: // ** // ** If all subterms are of the form T.C=expr for some single column of C and // ** a single table T (as shown in example B above) then create a new virtual // ** term that is an equivalent IN expression. In other words, if the term // ** being analyzed is: // ** // ** x = expr1 OR expr2 = x OR x = expr3 // ** // ** then create a new virtual term like this: // ** // ** x IN (expr1,expr2,expr3) // ** // ** CASE 2: // ** // ** If there are exactly two disjuncts and one side has x>A and the other side // ** has x=A (for the same x and A) then add a new virtual conjunct term to the // ** WHERE clause of the form "x>=A". Example: // ** // ** x>A OR (x=A AND y>B) adds: x>=A // ** // ** The added conjunct can sometimes be helpful in query planning. // ** // ** CASE 3: // ** // ** If all subterms are indexable by a single table T, then set // ** // ** WhereTerm.eOperator = WO_OR // ** WhereTerm.u.pOrInfo->indexable |= the cursor number for table T // ** // ** A subterm is "indexable" if it is of the form // ** "T.C " where C is any column of table T and // ** is one of "=", "<", "<=", ">", ">=", "IS NULL", or "IN". // ** A subterm is also indexable if it is an AND of two or more // ** subsubterms at least one of which is indexable. Indexable AND // ** subterms have their eOperator set to WO_AND and they have // ** u.pAndInfo set to a dynamically allocated WhereAndTerm object. // ** // ** From another point of view, "indexable" means that the subterm could // ** potentially be used with an index if an appropriate index exists. // ** This analysis does not consider whether or not the index exists; that // ** is decided elsewhere. This analysis only looks at whether subterms // ** appropriate for indexing exist. // ** // ** All examples A through E above satisfy case 3. But if a term // ** also satisfies case 1 (such as B) we know that the optimizer will // ** always prefer case 1, so in that case we pretend that case 3 is not // ** satisfied. // ** // ** It might be the case that multiple tables are indexable. For example, // ** (E) above is indexable on tables P, Q, and R. // ** // ** Terms that satisfy case 3 are candidates for lookup by using // ** separate indices to find rowids for each subterm and composing // ** the union of all rowids using a RowSet object. This is similar // ** to "bitmap indices" in other database engines. // ** // ** OTHERWISE: // ** // ** If none of cases 1, 2, or 3 apply, then leave the eOperator set to // ** zero. This term is not useful for search. // */ func _exprAnalyzeOrTerm(tls *libc.TLS, pSrc uintptr, pWC uintptr, idxTerm int32) { var affLeft, affRight, i, iColumn, iCursor, iOne, iTwo, idxNew, j, j1, okToChngToIN, v7, v9 int32 var b, b1, chngToIN, indexable TBitmask var db, pAndInfo, pAndTerm, pAndWC, pDup, pExpr, pLeft, pLeft1, pList, pNew, pOne, pOrInfo, pOrTerm, pOrWc, pOther, pParse, pTerm, pTwo, pWInfo, v1, v2 uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = affLeft, affRight, b, b1, chngToIN, db, i, iColumn, iCursor, iOne, iTwo, idxNew, indexable, j, j1, okToChngToIN, pAndInfo, pAndTerm, pAndWC, pDup, pExpr, pLeft, pLeft1, pList, pNew, pOne, pOrInfo, pOrTerm, pOrWc, pOther, pParse, pTerm, pTwo, pWInfo, v1, v2, v7, v9 pWInfo = (*TWhereClause)(unsafe.Pointer(pWC)).FpWInfo /* WHERE clause processing context */ pParse = (*TWhereInfo)(unsafe.Pointer(pWInfo)).FpParse /* Parser context */ db = (*TParse)(unsafe.Pointer(pParse)).Fdb /* Database connection */ pTerm = (*TWhereClause)(unsafe.Pointer(pWC)).Fa + uintptr(idxTerm)*56 /* The term to be analyzed */ pExpr = (*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr /* Tables that are indexable, satisfying case 2 */ /* ** Break the OR clause into its separate subterms. The subterms are ** stored in a WhereClause structure containing within the WhereOrInfo ** object that is attached to the original OR clause term. */ v1 = _sqlite3DbMallocZero(tls, db, uint64(496)) pOrInfo = v1 *(*uintptr)(unsafe.Pointer(pTerm + 32)) = v1 if pOrInfo == uintptr(0) { return } v1 = pTerm + 18 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) | libc.Int32FromInt32(TERM_ORINFO)) pOrWc = pOrInfo libc.Xmemset(tls, pOrWc+40, 0, uint64(448)) _sqlite3WhereClauseInit(tls, pOrWc, pWInfo) _sqlite3WhereSplit(tls, pOrWc, pExpr, uint8(TK_OR)) _sqlite3WhereExprAnalyze(tls, pSrc, pOrWc) if (*Tsqlite3)(unsafe.Pointer(db)).FmallocFailed != 0 { return } /* ** Compute the set of tables that might satisfy cases 1 or 3. */ indexable = ^libc.Uint64FromInt32(0) chngToIN = ^libc.Uint64FromInt32(0) i = (*TWhereClause)(unsafe.Pointer(pOrWc)).FnTerm - int32(1) pOrTerm = (*TWhereClause)(unsafe.Pointer(pOrWc)).Fa for { if !(i >= 0 && indexable != 0) { break } if libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FeOperator)&int32(WO_SINGLE) == 0 { chngToIN = uint64(0) pAndInfo = _sqlite3DbMallocRawNN(tls, db, uint64(488)) if pAndInfo != 0 { b = uint64(0) *(*uintptr)(unsafe.Pointer(pOrTerm + 32)) = pAndInfo v1 = pOrTerm + 18 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) | libc.Int32FromInt32(TERM_ANDINFO)) (*TWhereTerm)(unsafe.Pointer(pOrTerm)).FeOperator = uint16(WO_AND) (*TWhereTerm)(unsafe.Pointer(pOrTerm)).FleftCursor = -int32(1) pAndWC = pAndInfo libc.Xmemset(tls, pAndWC+40, 0, uint64(448)) _sqlite3WhereClauseInit(tls, pAndWC, (*TWhereClause)(unsafe.Pointer(pWC)).FpWInfo) _sqlite3WhereSplit(tls, pAndWC, (*TWhereTerm)(unsafe.Pointer(pOrTerm)).FpExpr, uint8(TK_AND)) _sqlite3WhereExprAnalyze(tls, pSrc, pAndWC) (*TWhereClause)(unsafe.Pointer(pAndWC)).FpOuter = pWC if !((*Tsqlite3)(unsafe.Pointer(db)).FmallocFailed != 0) { j = 0 pAndTerm = (*TWhereClause)(unsafe.Pointer(pAndWC)).Fa for { if !(j < (*TWhereClause)(unsafe.Pointer(pAndWC)).FnTerm) { break } if _allowedOp(tls, libc.Int32FromUint8((*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pAndTerm)).FpExpr)).Fop)) != 0 || libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pAndTerm)).FeOperator) == int32(WO_AUX) { b = b | _sqlite3WhereGetMask(tls, pWInfo+592, (*TWhereTerm)(unsafe.Pointer(pAndTerm)).FleftCursor) } goto _5 _5: ; j = j + 1 pAndTerm += 56 } } indexable = indexable & b } } else { if libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FwtFlags)&int32(TERM_COPIED) != 0 { /* Skip this term for now. We revisit it when we process the ** corresponding TERM_VIRTUAL term */ } else { b1 = _sqlite3WhereGetMask(tls, pWInfo+592, (*TWhereTerm)(unsafe.Pointer(pOrTerm)).FleftCursor) if libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FwtFlags)&int32(TERM_VIRTUAL) != 0 { pOther = (*TWhereClause)(unsafe.Pointer(pOrWc)).Fa + uintptr((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FiParent)*56 b1 = b1 | _sqlite3WhereGetMask(tls, pWInfo+592, (*TWhereTerm)(unsafe.Pointer(pOther)).FleftCursor) } indexable = indexable & b1 if libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FeOperator)&int32(WO_EQ) == 0 { chngToIN = uint64(0) } else { chngToIN = chngToIN & b1 } } } goto _3 _3: ; i = i - 1 pOrTerm += 56 } /* ** Record the set of tables that satisfy case 3. The set might be ** empty. */ (*TWhereOrInfo)(unsafe.Pointer(pOrInfo)).Findexable = indexable (*TWhereTerm)(unsafe.Pointer(pTerm)).FeOperator = uint16(WO_OR) (*TWhereTerm)(unsafe.Pointer(pTerm)).FleftCursor = -int32(1) if indexable != 0 { (*TWhereClause)(unsafe.Pointer(pWC)).FhasOr = uint8(1) } /* For a two-way OR, attempt to implementation case 2. */ if indexable != 0 && (*TWhereClause)(unsafe.Pointer(pOrWc)).FnTerm == int32(2) { iOne = 0 for { v7 = iOne iOne = iOne + 1 v1 = _whereNthSubterm(tls, (*TWhereClause)(unsafe.Pointer(pOrWc)).Fa, v7) pOne = v1 if !(v1 != uintptr(0)) { break } iTwo = 0 for { v9 = iTwo iTwo = iTwo + 1 v2 = _whereNthSubterm(tls, (*TWhereClause)(unsafe.Pointer(pOrWc)).Fa+1*56, v9) pTwo = v2 if !(v2 != uintptr(0)) { break } _whereCombineDisjuncts(tls, pSrc, pWC, pOne, pTwo) } } } /* ** chngToIN holds a set of tables that *might* satisfy case 1. But ** we have to do some additional checking to see if case 1 really ** is satisfied. ** ** chngToIN will hold either 0, 1, or 2 bits. The 0-bit case means ** that there is no possibility of transforming the OR clause into an ** IN operator because one or more terms in the OR clause contain ** something other than == on a column in the single table. The 1-bit ** case means that every term of the OR clause is of the form ** "table.column=expr" for some single table. The one bit that is set ** will correspond to the common table. We still need to check to make ** sure the same column is used on all terms. The 2-bit case is when ** the all terms are of the form "table1.column=table2.column". It ** might be possible to form an IN operator with either table1.column ** or table2.column as the LHS if either is common to every term of ** the OR clause. ** ** Note that terms of the form "table.column1=table.column2" (the ** same table on both sizes of the ==) cannot be optimized. */ if chngToIN != 0 { okToChngToIN = 0 /* True if the conversion to IN is valid */ iColumn = -int32(1) /* Column index on lhs of IN operator */ iCursor = -int32(1) /* Table cursor common to all terms */ j1 = 0 /* Loop counter */ /* Search for a table and column that appears on one side or the ** other of the == operator in every subterm. That table and column ** will be recorded in iCursor and iColumn. There might not be any ** such table and column. Set okToChngToIN if an appropriate table ** and column is found but leave okToChngToIN false if not found. */ j1 = 0 for { if !(j1 < int32(2) && !(okToChngToIN != 0)) { break } pLeft = uintptr(0) pOrTerm = (*TWhereClause)(unsafe.Pointer(pOrWc)).Fa i = (*TWhereClause)(unsafe.Pointer(pOrWc)).FnTerm - int32(1) for { if !(i >= 0) { break } v1 = pOrTerm + 18 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) & ^libc.Int32FromInt32(TERM_OK)) if (*TWhereTerm)(unsafe.Pointer(pOrTerm)).FleftCursor == iCursor { /* This is the 2-bit case and we are on the second iteration and ** current term is from the first iteration. So skip this term. */ goto _11 } if chngToIN&_sqlite3WhereGetMask(tls, pWInfo+592, (*TWhereTerm)(unsafe.Pointer(pOrTerm)).FleftCursor) == uint64(0) { /* This term must be of the form t1.a==t2.b where t2 is in the ** chngToIN set but t1 is not. This term will be either preceded ** or followed by an inverted copy (t2.b==t1.a). Skip this term ** and use its inversion. */ goto _11 } iColumn = (*(*struct { FleftColumn int32 FiField int32 })(unsafe.Pointer(pOrTerm + 32))).FleftColumn iCursor = (*TWhereTerm)(unsafe.Pointer(pOrTerm)).FleftCursor pLeft = (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FpExpr)).FpLeft break goto _11 _11: ; i = i - 1 pOrTerm += 56 } if i < 0 { /* No candidate table+column was found. This can only occur ** on the second iteration */ break } /* We have found a candidate table and column. Check to see if that ** table and column is common to every term in the OR clause */ okToChngToIN = int32(1) for { if !(i >= 0 && okToChngToIN != 0) { break } if (*TWhereTerm)(unsafe.Pointer(pOrTerm)).FleftCursor != iCursor { v1 = pOrTerm + 18 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) & ^libc.Int32FromInt32(TERM_OK)) } else { if (*(*struct { FleftColumn int32 FiField int32 })(unsafe.Pointer(pOrTerm + 32))).FleftColumn != iColumn || iColumn == -int32(2) && _sqlite3ExprCompare(tls, pParse, (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FpExpr)).FpLeft, pLeft, -int32(1)) != 0 { okToChngToIN = 0 } else { /* If the right-hand side is also a column, then the affinities ** of both right and left sides must be such that no type ** conversions are required on the right. (Ticket #2249) */ affRight = libc.Int32FromUint8(_sqlite3ExprAffinity(tls, (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FpExpr)).FpRight)) affLeft = libc.Int32FromUint8(_sqlite3ExprAffinity(tls, (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FpExpr)).FpLeft)) if affRight != 0 && affRight != affLeft { okToChngToIN = 0 } else { v1 = pOrTerm + 18 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) | libc.Int32FromInt32(TERM_OK)) } } } goto _13 _13: ; i = i - 1 pOrTerm += 56 } goto _10 _10: ; j1 = j1 + 1 } /* At this point, okToChngToIN is true if original pTerm satisfies ** case 1. In that case, construct a new virtual term that is ** pTerm converted into an IN operator. */ if okToChngToIN != 0 { /* A transient duplicate expression */ pList = uintptr(0) /* The RHS of the IN operator */ pLeft1 = uintptr(0) /* The complete IN operator */ i = (*TWhereClause)(unsafe.Pointer(pOrWc)).FnTerm - int32(1) pOrTerm = (*TWhereClause)(unsafe.Pointer(pOrWc)).Fa for { if !(i >= 0) { break } if libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FwtFlags)&int32(TERM_OK) == 0 { goto _16 } pDup = _sqlite3ExprDup(tls, db, (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FpExpr)).FpRight, 0) pList = _sqlite3ExprListAppend(tls, (*TWhereInfo)(unsafe.Pointer(pWInfo)).FpParse, pList, pDup) pLeft1 = (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pOrTerm)).FpExpr)).FpLeft goto _16 _16: ; i = i - 1 pOrTerm += 56 } pDup = _sqlite3ExprDup(tls, db, pLeft1, 0) pNew = _sqlite3PExpr(tls, pParse, int32(TK_IN), pDup, uintptr(0)) if pNew != 0 { _transferJoinMarkings(tls, pNew, pExpr) *(*uintptr)(unsafe.Pointer(pNew + 32)) = pList idxNew = _whereClauseInsert(tls, pWC, pNew, libc.Uint16FromInt32(libc.Int32FromInt32(TERM_VIRTUAL)|libc.Int32FromInt32(TERM_DYNAMIC))) _exprAnalyze(tls, pSrc, pWC, idxNew) /* pTerm = &pWC->a[idxTerm]; // would be needed if pTerm where reused */ _markTermAsChild(tls, pWC, idxNew, idxTerm) } else { _sqlite3ExprListDelete(tls, db, pList) } } } } // C documentation // // /* // ** Argument pExpr is an (?, ?...) IN(...) expression. This // ** function allocates and returns a nul-terminated string containing // ** the affinities to be used for each column of the comparison. // ** // ** It is the responsibility of the caller to ensure that the returned // ** string is eventually freed using sqlite3DbFree(). // */ func _exprINAffinity(tls *libc.TLS, pParse uintptr, pExpr uintptr) (r uintptr) { var a uint8 var i, nVal int32 var pA, pLeft, pSelect, zRet, v1 uintptr _, _, _, _, _, _, _, _ = a, i, nVal, pA, pLeft, pSelect, zRet, v1 pLeft = (*TExpr)(unsafe.Pointer(pExpr)).FpLeft nVal = _sqlite3ExprVectorSize(tls, pLeft) if (*TExpr)(unsafe.Pointer(pExpr)).Fflags&uint32(EP_xIsSelect) != uint32(0) { v1 = *(*uintptr)(unsafe.Pointer(pExpr + 32)) } else { v1 = uintptr(0) } pSelect = v1 zRet = _sqlite3DbMallocRaw(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, libc.Uint64FromInt64(int64(1)+int64(nVal))) if zRet != 0 { i = 0 for { if !(i < nVal) { break } pA = _sqlite3VectorFieldSubexpr(tls, pLeft, i) a = _sqlite3ExprAffinity(tls, pA) if pSelect != 0 { **(**uint8)(__ccgo_up(zRet + uintptr(i))) = _sqlite3CompareAffinity(tls, (*(*TExprList_item)(unsafe.Pointer((*TSelect)(unsafe.Pointer(pSelect)).FpEList + 8 + uintptr(i)*32))).FpExpr, a) } else { **(**uint8)(__ccgo_up(zRet + uintptr(i))) = a } goto _2 _2: ; i = i + 1 } **(**uint8)(__ccgo_up(zRet + uintptr(nVal))) = uint8('\000') } return zRet } // C documentation // // /* // ** Return true if all expressions in the expression-list passed as the // ** only argument are both constant and have no affinity. // */ func _exprListIsNoAffinity(tls *libc.TLS, pParse uintptr, pRow uintptr) (r int32) { var ii int32 var pExpr uintptr _, _ = ii, pExpr if _exprListIsConstant(tls, pParse, pRow) == 0 { return 0 } ii = 0 for { if !(ii < (*TExprList)(unsafe.Pointer(pRow)).FnExpr) { break } pExpr = (*(*TExprList_item)(unsafe.Pointer(pRow + 8 + uintptr(ii)*32))).FpExpr if 0 != libc.Int32FromUint8(_sqlite3ExprAffinity(tls, pExpr)) { return 0 } goto _1 _1: ; ii = ii + 1 } return int32(1) } // C documentation // // /* // ** Return an Expr object that refers to a memory register corresponding // ** to column iCol of table pTab. // ** // ** regBase is the first of an array of register that contains the data // ** for pTab. regBase itself holds the rowid. regBase+1 holds the first // ** column. regBase+2 holds the second column, and so forth. // */ func _exprTableRegister(tls *libc.TLS, pParse uintptr, pTab uintptr, regBase int32, iCol Ti16) (r uintptr) { var db, pCol, pExpr, zColl uintptr _, _, _, _ = db, pCol, pExpr, zColl db = (*TParse)(unsafe.Pointer(pParse)).Fdb pExpr = _sqlite3Expr(tls, db, int32(TK_REGISTER), uintptr(0)) if pExpr != 0 { if int32(iCol) >= 0 && int32(iCol) != int32((*TTable)(unsafe.Pointer(pTab)).FiPKey) { pCol = (*TTable)(unsafe.Pointer(pTab)).FaCol + uintptr(iCol)*16 (*TExpr)(unsafe.Pointer(pExpr)).FiTable = regBase + int32(_sqlite3TableColumnToStorage(tls, pTab, iCol)) + int32(1) (*TExpr)(unsafe.Pointer(pExpr)).FaffExpr = (*TColumn)(unsafe.Pointer(pCol)).Faffinity zColl = _sqlite3ColumnColl(tls, pCol) if zColl == uintptr(0) { zColl = (*TCollSeq)(unsafe.Pointer((*Tsqlite3)(unsafe.Pointer(db)).FpDfltColl)).FzName } pExpr = _sqlite3ExprAddCollateString(tls, pParse, pExpr, zColl) } else { (*TExpr)(unsafe.Pointer(pExpr)).FiTable = regBase (*TExpr)(unsafe.Pointer(pExpr)).FaffExpr = uint8(SQLITE_AFF_INTEGER) } } return pExpr } // C documentation // // /* // ** Gobble up the first bareword or quoted word from the input buffer zIn. // ** Return a pointer to the character immediately following the last in // ** the gobbled word if successful, or a NULL pointer otherwise (failed // ** to find close-quote character). // ** // ** Before returning, set pzOut to point to a new buffer containing a // ** nul-terminated, dequoted copy of the gobbled word. If the word was // ** quoted, *pbQuoted is also set to 1 before returning. // ** // ** If *pRc is other than SQLITE_OK when this function is called, it is // ** a no-op (NULL is returned). Otherwise, if an OOM occurs within this // ** function, *pRc is set to SQLITE_NOMEM before returning. *pRc is *not* // ** set if a parse error (failed to find close quote) occurs. // */ func _fts5ConfigGobbleWord(tls *libc.TLS, pRc uintptr, zIn uintptr, pzOut uintptr, pbQuoted uintptr) (r uintptr) { var ii int32 var nIn Tsqlite3_int64 var zOut, zRet uintptr _, _, _, _ = ii, nIn, zOut, zRet zRet = uintptr(0) nIn = libc.Int64FromUint64(libc.Xstrlen(tls, zIn)) zOut = Xsqlite3_malloc64(tls, libc.Uint64FromInt64(nIn+int64(1))) **(**int32)(__ccgo_up(pbQuoted)) = 0 **(**uintptr)(__ccgo_up(pzOut)) = uintptr(0) if zOut == uintptr(0) { **(**int32)(__ccgo_up(pRc)) = int32(SQLITE_NOMEM) } else { libc.Xmemcpy(tls, zOut, zIn, libc.Uint64FromInt64(nIn+libc.Int64FromInt32(1))) if _fts5_isopenquote(tls, **(**uint8)(__ccgo_up(zOut))) != 0 { ii = _fts5Dequote(tls, zOut) zRet = zIn + uintptr(ii) **(**int32)(__ccgo_up(pbQuoted)) = int32(1) } else { zRet = _fts5ConfigSkipBareword(tls, zIn) if zRet != 0 { **(**uint8)(__ccgo_up(zOut + uintptr(int64(zRet)-int64(zIn)))) = uint8('\000') } } } if zRet == uintptr(0) { Xsqlite3_free(tls, zOut) } else { **(**uintptr)(__ccgo_up(pzOut)) = zOut } return zRet } // C documentation // // /* // ** Implementation of fts5_locale(LOCALE, TEXT) function. // ** // ** If parameter LOCALE is NULL, or a zero-length string, then a copy of // ** TEXT is returned. Otherwise, both LOCALE and TEXT are interpreted as // ** text, and the value returned is a blob consisting of: // ** // ** * The 4 bytes 0x00, 0xE0, 0xB2, 0xEb (FTS5_LOCALE_HEADER). // ** * The LOCALE, as utf-8 text, followed by // ** * 0x00, followed by // ** * The TEXT, as utf-8 text. // ** // ** There is no final nul-terminator following the TEXT value. // */ func _fts5LocaleFunc(tls *libc.TLS, pCtx uintptr, nArg int32, apArg uintptr) { var nBlob, nLocale, nText Ti64 var p, pBlob, pCsr, zLocale, zText, v1 uintptr _, _, _, _, _, _, _, _, _ = nBlob, nLocale, nText, p, pBlob, pCsr, zLocale, zText, v1 zLocale = uintptr(0) nLocale = 0 zText = uintptr(0) nText = 0 _ = nArg zLocale = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(apArg))) nLocale = int64(Xsqlite3_value_bytes(tls, **(**uintptr)(__ccgo_up(apArg)))) zText = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(apArg + 1*8))) nText = int64(Xsqlite3_value_bytes(tls, **(**uintptr)(__ccgo_up(apArg + 1*8)))) if zLocale == uintptr(0) || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zLocale))) == int32('\000') { Xsqlite3_result_text(tls, pCtx, zText, int32(nText), uintptr(-libc.Int32FromInt32(1))) } else { p = Xsqlite3_user_data(tls, pCtx) pBlob = uintptr(0) pCsr = uintptr(0) nBlob = 0 nBlob = int64(libc.Int32FromInt64(16)) + nLocale + int64(1) + nText pBlob = Xsqlite3_malloc64(tls, libc.Uint64FromInt64(nBlob)) if pBlob == uintptr(0) { Xsqlite3_result_error_nomem(tls, pCtx) return } pCsr = pBlob libc.Xmemcpy(tls, pCsr, p+96, libc.Uint64FromInt32(libc.Int32FromInt64(16))) pCsr = pCsr + uintptr(libc.Int32FromInt64(16)) libc.Xmemcpy(tls, pCsr, zLocale, libc.Uint64FromInt64(nLocale)) pCsr = pCsr + uintptr(nLocale) v1 = pCsr pCsr = pCsr + 1 **(**Tu8)(__ccgo_up(v1)) = uint8(0x00) if zText != 0 { libc.Xmemcpy(tls, pCsr, zText, libc.Uint64FromInt64(nText)) } Xsqlite3_result_blob(tls, pCtx, pBlob, int32(nBlob), __ccgo_fp(Xsqlite3_free)) } } func _fts5PorterCb(tls *libc.TLS, pCtx uintptr, tflags int32, pToken uintptr, nToken int32, iStart int32, iEnd int32) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var aBuf, p uintptr var c uint8 var v1 int32 var _ /* nBuf at bp+0 */ int32 _, _, _, _ = aBuf, c, p, v1 p = pCtx if nToken > int32(FTS5_PORTER_MAX_TOKEN) || nToken < int32(3) { goto pass_through } aBuf = (*TPorterContext)(unsafe.Pointer(p)).FaBuf **(**int32)(__ccgo_up(bp)) = nToken libc.Xmemcpy(tls, aBuf, pToken, libc.Uint64FromInt32(**(**int32)(__ccgo_up(bp)))) /* Step 1. */ _fts5PorterStep1A(tls, aBuf, bp) if _fts5PorterStep1B(tls, aBuf, bp) != 0 { if _fts5PorterStep1B2(tls, aBuf, bp) == 0 { c = **(**uint8)(__ccgo_up(aBuf + uintptr(**(**int32)(__ccgo_up(bp))-int32(1)))) if _fts5PorterIsVowel(tls, c, 0) == 0 && libc.Int32FromUint8(c) != int32('l') && libc.Int32FromUint8(c) != int32('s') && libc.Int32FromUint8(c) != int32('z') && libc.Int32FromUint8(c) == libc.Int32FromUint8(**(**uint8)(__ccgo_up(aBuf + uintptr(**(**int32)(__ccgo_up(bp))-int32(2))))) { **(**int32)(__ccgo_up(bp)) = **(**int32)(__ccgo_up(bp)) - 1 } else { if _fts5Porter_MEq1(tls, aBuf, **(**int32)(__ccgo_up(bp))) != 0 && _fts5Porter_Ostar(tls, aBuf, **(**int32)(__ccgo_up(bp))) != 0 { v1 = **(**int32)(__ccgo_up(bp)) **(**int32)(__ccgo_up(bp)) = **(**int32)(__ccgo_up(bp)) + 1 **(**uint8)(__ccgo_up(aBuf + uintptr(v1))) = uint8('e') } } } } /* Step 1C. */ if libc.Int32FromUint8(**(**uint8)(__ccgo_up(aBuf + uintptr(**(**int32)(__ccgo_up(bp))-int32(1))))) == int32('y') && _fts5Porter_Vowel(tls, aBuf, **(**int32)(__ccgo_up(bp))-int32(1)) != 0 { **(**uint8)(__ccgo_up(aBuf + uintptr(**(**int32)(__ccgo_up(bp))-int32(1)))) = uint8('i') } /* Steps 2 through 4. */ _fts5PorterStep2(tls, aBuf, bp) _fts5PorterStep3(tls, aBuf, bp) _fts5PorterStep4(tls, aBuf, bp) /* Step 5a. */ if libc.Int32FromUint8(**(**uint8)(__ccgo_up(aBuf + uintptr(**(**int32)(__ccgo_up(bp))-int32(1))))) == int32('e') { if _fts5Porter_MGt1(tls, aBuf, **(**int32)(__ccgo_up(bp))-int32(1)) != 0 || _fts5Porter_MEq1(tls, aBuf, **(**int32)(__ccgo_up(bp))-int32(1)) != 0 && !(_fts5Porter_Ostar(tls, aBuf, **(**int32)(__ccgo_up(bp))-int32(1)) != 0) { **(**int32)(__ccgo_up(bp)) = **(**int32)(__ccgo_up(bp)) - 1 } } /* Step 5b. */ if **(**int32)(__ccgo_up(bp)) > int32(1) && libc.Int32FromUint8(**(**uint8)(__ccgo_up(aBuf + uintptr(**(**int32)(__ccgo_up(bp))-int32(1))))) == int32('l') && libc.Int32FromUint8(**(**uint8)(__ccgo_up(aBuf + uintptr(**(**int32)(__ccgo_up(bp))-int32(2))))) == int32('l') && _fts5Porter_MGt1(tls, aBuf, **(**int32)(__ccgo_up(bp))-int32(1)) != 0 { **(**int32)(__ccgo_up(bp)) = **(**int32)(__ccgo_up(bp)) - 1 } return (*(*func(*libc.TLS, uintptr, int32, uintptr, int32, int32, int32) int32)(unsafe.Pointer(&struct{ uintptr }{(*TPorterContext)(unsafe.Pointer(p)).FxToken})))(tls, (*TPorterContext)(unsafe.Pointer(p)).FpCtx, tflags, aBuf, **(**int32)(__ccgo_up(bp)), iStart, iEnd) goto pass_through pass_through: ; return (*(*func(*libc.TLS, uintptr, int32, uintptr, int32, int32, int32) int32)(unsafe.Pointer(&struct{ uintptr }{(*TPorterContext)(unsafe.Pointer(p)).FxToken})))(tls, (*TPorterContext)(unsafe.Pointer(p)).FpCtx, tflags, pToken, nToken, iStart, iEnd) return r } // C documentation // // /* // ** Trigram tokenizer tokenize routine. // */ func _fts5TriTokenize(tls *libc.TLS, pTok uintptr, pCtx uintptr, unusedFlags int32, pText uintptr, nText int32, __ccgo_fp_xToken uintptr) (r int32) { bp := tls.Alloc(32) defer tls.Free(32) var aStart [3]int32 var iCode Tu32 var iNext, ii, rc int32 var p, z1, zEof, zIn, zOut, v1 uintptr var _ /* aBuf at bp+0 */ [32]uint8 _, _, _, _, _, _, _, _, _, _, _ = aStart, iCode, iNext, ii, p, rc, z1, zEof, zIn, zOut, v1 p = pTok rc = SQLITE_OK zOut = bp zIn = pText if zIn != 0 { v1 = zIn + uintptr(nText) } else { v1 = uintptr(0) } zEof = v1 iCode = uint32(0) /* Input offset of each character in aBuf[] */ _ = unusedFlags /* Populate aBuf[] with the characters for the first trigram. */ ii = 0 for { if !(ii < int32(3)) { break } for cond := true; cond; cond = iCode == uint32(0) { aStart[ii] = int32(int64(zIn) - int64(pText)) if zIn >= zEof { return SQLITE_OK } v1 = zIn zIn = zIn + 1 iCode = uint32(**(**uint8)(__ccgo_up(v1))) if iCode >= uint32(0xc0) { iCode = uint32(_sqlite3Utf8Trans1[iCode-uint32(0xc0)]) for zIn < zEof && libc.Int32FromUint8(**(**uint8)(__ccgo_up(zIn)))&int32(0xc0) == int32(0x80) { v1 = zIn zIn = zIn + 1 iCode = iCode<>libc.Int32FromInt32(6)&libc.Uint32FromInt32(0x1F)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode&libc.Uint32FromInt32(0x3F)))) } else { if iCode < uint32(0x10000) { v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0xE0) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(12)&libc.Uint32FromInt32(0x0F)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(6)&libc.Uint32FromInt32(0x3F)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode&libc.Uint32FromInt32(0x3F)))) } else { v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0xF0) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(18)&libc.Uint32FromInt32(0x07)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(12)&libc.Uint32FromInt32(0x3F)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(6)&libc.Uint32FromInt32(0x3F)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode&libc.Uint32FromInt32(0x3F)))) } } } goto _2 _2: ; ii = ii + 1 } /* At the start of each iteration of this loop: ** ** aBuf: Contains 3 characters. The 3 characters of the next trigram. ** zOut: Points to the byte following the last character in aBuf. ** aStart[3]: Contains the byte offset in the input text corresponding ** to the start of each of the three characters in the buffer. */ for int32(1) != 0 { /* Read characters from the input up until the first non-diacritic */ for cond := true; cond; cond = iCode == uint32(0) { iNext = int32(int64(zIn) - int64(pText)) if zIn >= zEof { iCode = uint32(0) break } v1 = zIn zIn = zIn + 1 iCode = uint32(**(**uint8)(__ccgo_up(v1))) if iCode >= uint32(0xc0) { iCode = uint32(_sqlite3Utf8Trans1[iCode-uint32(0xc0)]) for zIn < zEof && libc.Int32FromUint8(**(**uint8)(__ccgo_up(zIn)))&int32(0xc0) == int32(0x80) { v1 = zIn zIn = zIn + 1 iCode = iCode<= int32(0xc0) { for libc.Int32FromUint8(uint8(**(**uint8)(__ccgo_up(z1))))&int32(0xc0) == int32(0x80) { z1 = z1 + 1 } } libc.Xmemmove(tls, bp, z1, libc.Uint64FromInt64(int64(zOut)-int64(z1))) zOut = zOut - uintptr(int64(z1)-t__predefined_ptrdiff_t(bp)) if iCode < uint32(0x00080) { v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = uint8(iCode & libc.Uint32FromInt32(0xFF)) } else { if iCode < uint32(0x00800) { v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0xC0) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(6)&libc.Uint32FromInt32(0x1F)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode&libc.Uint32FromInt32(0x3F)))) } else { if iCode < uint32(0x10000) { v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0xE0) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(12)&libc.Uint32FromInt32(0x0F)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(6)&libc.Uint32FromInt32(0x3F)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode&libc.Uint32FromInt32(0x3F)))) } else { v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0xF0) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(18)&libc.Uint32FromInt32(0x07)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(12)&libc.Uint32FromInt32(0x3F)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(6)&libc.Uint32FromInt32(0x3F)))) v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode&libc.Uint32FromInt32(0x3F)))) } } } /* Update the aStart[] array */ aStart[0] = aStart[int32(1)] aStart[int32(1)] = aStart[int32(2)] aStart[int32(2)] = iNext } return rc } func _fts5UnicodeTokenize(tls *libc.TLS, pTokenizer uintptr, pCtx uintptr, iUnused int32, pText uintptr, nText int32, __ccgo_fp_xToken uintptr) (r int32) { var a, aFold, p, pEnd, zCsr, zOut, zTerm, v3 uintptr var iCode Tu32 var ie, is, nFold, rc, v7 int32 _, _, _, _, _, _, _, _, _, _, _, _, _, _ = a, aFold, iCode, ie, is, nFold, p, pEnd, rc, zCsr, zOut, zTerm, v3, v7 p = pTokenizer rc = SQLITE_OK a = p zTerm = pText + uintptr(nText) zCsr = pText /* Output buffer */ aFold = (*TUnicode61Tokenizer)(unsafe.Pointer(p)).FaFold nFold = (*TUnicode61Tokenizer)(unsafe.Pointer(p)).FnFold pEnd = aFold + uintptr(nFold-int32(6)) _ = iUnused /* Each iteration of this loop gobbles up a contiguous run of separators, ** then the next token. */ _2: ; if !(rc == SQLITE_OK) { goto _1 } /* non-ASCII codepoint read from input */ zOut = aFold /* Skip any separator characters. */ for int32(1) != 0 { if zCsr >= zTerm { goto tokenize_done } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zCsr)))&int32(0x80) != 0 { /* A character outside of the ascii range. Skip past it if it is ** a separator character. Or break out of the loop if it is not. */ is = int32(int64(zCsr) - int64(pText)) v3 = zCsr zCsr = zCsr + 1 iCode = uint32(**(**uint8)(__ccgo_up(v3))) if iCode >= uint32(0xc0) { iCode = uint32(_sqlite3Utf8Trans1[iCode-uint32(0xc0)]) for zCsr < zTerm && libc.Int32FromUint8(**(**uint8)(__ccgo_up(zCsr)))&int32(0xc0) == int32(0x80) { v3 = zCsr zCsr = zCsr + 1 iCode = iCode< pEnd { aFold = Xsqlite3_malloc64(tls, libc.Uint64FromInt64(int64(nFold)*int64(2))) if aFold == uintptr(0) { rc = int32(SQLITE_NOMEM) goto tokenize_done } zOut = aFold + uintptr(int64(zOut)-int64((*TUnicode61Tokenizer)(unsafe.Pointer(p)).FaFold)) libc.Xmemcpy(tls, aFold, (*TUnicode61Tokenizer)(unsafe.Pointer(p)).FaFold, libc.Uint64FromInt32(nFold)) Xsqlite3_free(tls, (*TUnicode61Tokenizer)(unsafe.Pointer(p)).FaFold) (*TUnicode61Tokenizer)(unsafe.Pointer(p)).FaFold = aFold v7 = nFold * libc.Int32FromInt32(2) nFold = v7 (*TUnicode61Tokenizer)(unsafe.Pointer(p)).FnFold = v7 pEnd = aFold + uintptr(nFold-int32(6)) } if !(libc.Int32FromUint8(**(**uint8)(__ccgo_up(zCsr)))&int32(0x80) != 0) { goto _8 } /* An non-ascii-range character. Fold it into the output buffer if ** it is a token character, or break out of the loop if it is not. */ v3 = zCsr zCsr = zCsr + 1 iCode = uint32(**(**uint8)(__ccgo_up(v3))) if iCode >= uint32(0xc0) { iCode = uint32(_sqlite3Utf8Trans1[iCode-uint32(0xc0)]) for zCsr < zTerm && libc.Int32FromUint8(**(**uint8)(__ccgo_up(zCsr)))&int32(0xc0) == int32(0x80) { v3 = zCsr zCsr = zCsr + 1 iCode = iCode<>libc.Int32FromInt32(6)&libc.Uint32FromInt32(0x1F)))) v3 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v3)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode&libc.Uint32FromInt32(0x3F)))) } else { if iCode < uint32(0x10000) { v3 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v3)) = libc.Uint8FromInt32(int32(0xE0) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(12)&libc.Uint32FromInt32(0x0F)))) v3 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v3)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(6)&libc.Uint32FromInt32(0x3F)))) v3 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v3)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode&libc.Uint32FromInt32(0x3F)))) } else { v3 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v3)) = libc.Uint8FromInt32(int32(0xF0) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(18)&libc.Uint32FromInt32(0x07)))) v3 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v3)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(12)&libc.Uint32FromInt32(0x3F)))) v3 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v3)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode>>libc.Int32FromInt32(6)&libc.Uint32FromInt32(0x3F)))) v3 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v3)) = libc.Uint8FromInt32(int32(0x80) + libc.Int32FromUint8(uint8(iCode&libc.Uint32FromInt32(0x3F)))) } } } } goto _13 _12: ; goto _5 _13: ; goto _9 _8: ; if !(libc.Int32FromUint8(**(**uint8)(__ccgo_up(a + uintptr(**(**uint8)(__ccgo_up(zCsr)))))) == 0) { goto _24 } /* An ascii-range separator character. End of token. */ goto _5 goto _25 _24: ; goto ascii_tokenchar ascii_tokenchar: ; if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zCsr))) >= int32('A') && libc.Int32FromUint8(**(**uint8)(__ccgo_up(zCsr))) <= int32('Z') { v3 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v3)) = libc.Uint8FromInt32(libc.Int32FromUint8(**(**uint8)(__ccgo_up(zCsr))) + int32(32)) } else { v3 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v3)) = uint8(**(**uint8)(__ccgo_up(zCsr))) } zCsr = zCsr + 1 _25: ; _9: ; ie = int32(int64(zCsr) - int64(pText)) goto _6 _5: ; /* Invoke the token callback */ rc = (*(*func(*libc.TLS, uintptr, int32, uintptr, int32, int32, int32) int32)(unsafe.Pointer(&struct{ uintptr }{__ccgo_fp_xToken})))(tls, pCtx, 0, aFold, int32(int64(zOut)-int64(aFold)), is, ie) goto _2 _1: ; goto tokenize_done tokenize_done: ; if rc == int32(SQLITE_DONE) { rc = SQLITE_OK } return rc } /************************************************************************** ** Start of porter stemmer implementation. */ /* Any tokens larger than this (in bytes) are passed through without ** stemming. */ // C documentation // // /* // ** If the input is a well-formed JSON array of coordinates with at least // ** four coordinates and where each coordinate is itself a two-value array, // ** then convert the JSON into a GeoPoly object and return a pointer to // ** that object. // ** // ** If any error occurs, return NULL. // */ func _geopolyParseJson(tls *libc.TLS, z uintptr, pRc uintptr) (r uintptr) { bp := tls.Alloc(48) defer tls.Free(48) var aNew, pOut, v1 uintptr var c uint8 var ii, rc int32 var v2 bool var _ /* s at bp+0 */ TGeoParse var _ /* x at bp+32 */ int32 _, _, _, _, _, _, _ = aNew, c, ii, pOut, rc, v1, v2 rc = SQLITE_OK libc.Xmemset(tls, bp, 0, uint64(32)) (**(**TGeoParse)(__ccgo_up(bp))).Fz = z if libc.Int32FromUint8(_geopolySkipSpace(tls, bp)) == int32('[') { (**(**TGeoParse)(__ccgo_up(bp))).Fz = (**(**TGeoParse)(__ccgo_up(bp))).Fz + 1 for libc.Int32FromUint8(_geopolySkipSpace(tls, bp)) == int32('[') { ii = 0 (**(**TGeoParse)(__ccgo_up(bp))).Fz = (**(**TGeoParse)(__ccgo_up(bp))).Fz + 1 if (**(**TGeoParse)(__ccgo_up(bp))).FnVertex >= (**(**TGeoParse)(__ccgo_up(bp))).FnAlloc { (**(**TGeoParse)(__ccgo_up(bp))).FnAlloc = (**(**TGeoParse)(__ccgo_up(bp))).FnAlloc*int32(2) + int32(16) aNew = Xsqlite3_realloc64(tls, (**(**TGeoParse)(__ccgo_up(bp))).Fa, uint64(libc.Uint64FromInt32((**(**TGeoParse)(__ccgo_up(bp))).FnAlloc)*uint64(4)*uint64(2))) if aNew == uintptr(0) { rc = int32(SQLITE_NOMEM) (**(**TGeoParse)(__ccgo_up(bp))).FnErr = (**(**TGeoParse)(__ccgo_up(bp))).FnErr + 1 break } (**(**TGeoParse)(__ccgo_up(bp))).Fa = aNew } for { if ii <= int32(1) { v1 = (**(**TGeoParse)(__ccgo_up(bp))).Fa + uintptr((**(**TGeoParse)(__ccgo_up(bp))).FnVertex*int32(2)+ii)*4 } else { v1 = uintptr(0) } if !(_geopolyParseNumber(tls, bp, v1) != 0) { break } ii = ii + 1 if ii == int32(2) { (**(**TGeoParse)(__ccgo_up(bp))).FnVertex = (**(**TGeoParse)(__ccgo_up(bp))).FnVertex + 1 } c = _geopolySkipSpace(tls, bp) (**(**TGeoParse)(__ccgo_up(bp))).Fz = (**(**TGeoParse)(__ccgo_up(bp))).Fz + 1 if libc.Int32FromUint8(c) == int32(',') { continue } if libc.Int32FromUint8(c) == int32(']') && ii >= int32(2) { break } (**(**TGeoParse)(__ccgo_up(bp))).FnErr = (**(**TGeoParse)(__ccgo_up(bp))).FnErr + 1 rc = int32(SQLITE_ERROR) goto parse_json_err } if libc.Int32FromUint8(_geopolySkipSpace(tls, bp)) == int32(',') { (**(**TGeoParse)(__ccgo_up(bp))).Fz = (**(**TGeoParse)(__ccgo_up(bp))).Fz + 1 continue } break } if v2 = libc.Int32FromUint8(_geopolySkipSpace(tls, bp)) == int32(']') && (**(**TGeoParse)(__ccgo_up(bp))).FnVertex >= int32(4) && **(**TGeoCoord)(__ccgo_up((**(**TGeoParse)(__ccgo_up(bp))).Fa)) == **(**TGeoCoord)(__ccgo_up((**(**TGeoParse)(__ccgo_up(bp))).Fa + uintptr((**(**TGeoParse)(__ccgo_up(bp))).FnVertex*int32(2)-int32(2))*4)) && **(**TGeoCoord)(__ccgo_up((**(**TGeoParse)(__ccgo_up(bp))).Fa + 1*4)) == **(**TGeoCoord)(__ccgo_up((**(**TGeoParse)(__ccgo_up(bp))).Fa + uintptr((**(**TGeoParse)(__ccgo_up(bp))).FnVertex*int32(2)-int32(1))*4)); v2 { (**(**TGeoParse)(__ccgo_up(bp))).Fz = (**(**TGeoParse)(__ccgo_up(bp))).Fz + 1 } if v2 && libc.Int32FromUint8(_geopolySkipSpace(tls, bp)) == libc.Int32FromInt32(0) { **(**int32)(__ccgo_up(bp + 32)) = int32(1) (**(**TGeoParse)(__ccgo_up(bp))).FnVertex = (**(**TGeoParse)(__ccgo_up(bp))).FnVertex - 1 /* Remove the redundant vertex at the end */ pOut = Xsqlite3_malloc64(tls, libc.Uint64FromInt64(40)+uint64(libc.Uint64FromInt64(4)*libc.Uint64FromInt32(2))*libc.Uint64FromInt64(int64((**(**TGeoParse)(__ccgo_up(bp))).FnVertex)-libc.Int64FromInt32(4))) **(**int32)(__ccgo_up(bp + 32)) = int32(1) if pOut == uintptr(0) { goto parse_json_err } (*TGeoPoly)(unsafe.Pointer(pOut)).FnVertex = (**(**TGeoParse)(__ccgo_up(bp))).FnVertex libc.Xmemcpy(tls, pOut+8, (**(**TGeoParse)(__ccgo_up(bp))).Fa, libc.Uint64FromInt32((**(**TGeoParse)(__ccgo_up(bp))).FnVertex*int32(2))*uint64(4)) **(**uint8)(__ccgo_up(pOut + 4)) = **(**uint8)(__ccgo_up(bp + 32)) **(**uint8)(__ccgo_up(pOut + 4 + 1)) = libc.Uint8FromInt32((**(**TGeoParse)(__ccgo_up(bp))).FnVertex >> int32(16) & int32(0xff)) **(**uint8)(__ccgo_up(pOut + 4 + 2)) = libc.Uint8FromInt32((**(**TGeoParse)(__ccgo_up(bp))).FnVertex >> int32(8) & int32(0xff)) **(**uint8)(__ccgo_up(pOut + 4 + 3)) = libc.Uint8FromInt32((**(**TGeoParse)(__ccgo_up(bp))).FnVertex & int32(0xff)) Xsqlite3_free(tls, (**(**TGeoParse)(__ccgo_up(bp))).Fa) if pRc != 0 { **(**int32)(__ccgo_up(pRc)) = SQLITE_OK } return pOut } else { (**(**TGeoParse)(__ccgo_up(bp))).FnErr = (**(**TGeoParse)(__ccgo_up(bp))).FnErr + 1 rc = int32(SQLITE_ERROR) } } goto parse_json_err parse_json_err: ; if pRc != 0 { **(**int32)(__ccgo_up(pRc)) = rc } Xsqlite3_free(tls, (**(**TGeoParse)(__ccgo_up(bp))).Fa) return uintptr(0) } // C documentation // // /* // ** Interpret the given string as a safety level. Return 0 for OFF, // ** 1 for ON or NORMAL, 2 for FULL, and 3 for EXTRA. Return 1 for an empty or // ** unrecognized string argument. The FULL and EXTRA option is disallowed // ** if the omitFull parameter it 1. // ** // ** Note that the values returned are one less that the values that // ** should be passed into sqlite3BtreeSetSafetyLevel(). The is done // ** to support legacy SQL code. The safety level used to be boolean // ** and older scripts may have used numbers 0 for OFF and 1 for ON. // */ func _getSafetyLevel(tls *libc.TLS, z uintptr, omitFull int32, dflt Tu8) (r Tu8) { var i, n int32 _, _ = i, n if libc.Int32FromUint8(_sqlite3CtypeMap[uint8(**(**uint8)(__ccgo_up(z)))])&int32(0x04) != 0 { return libc.Uint8FromInt32(_sqlite3Atoi(tls, z)) } n = _sqlite3Strlen30(tls, z) i = 0 for { if !(i < libc.Int32FromUint64(libc.Uint64FromInt64(8)/libc.Uint64FromInt64(1))) { break } if libc.Int32FromUint8(_iLength[i]) == n && Xsqlite3_strnicmp(tls, uintptr(unsafe.Pointer(&_zText))+uintptr(_iOffset[i]), z, n) == 0 && (!(omitFull != 0) || libc.Int32FromUint8(_iValue[i]) <= int32(1)) { return _iValue[i] } goto _1 _1: ; i = i + 1 } return dflt } func _groupConcatStep(tls *libc.TLS, context uintptr, argc int32, argv uintptr) { var db, pGCC, pnsl, zSep, zVal uintptr var firstTerm, i, nA, nSep, nVal, v1 int32 _, _, _, _, _, _, _, _, _, _, _ = db, firstTerm, i, nA, nSep, nVal, pGCC, pnsl, zSep, zVal, v1 if Xsqlite3_value_type(tls, **(**uintptr)(__ccgo_up(argv))) == int32(SQLITE_NULL) { return } pGCC = Xsqlite3_aggregate_context(tls, context, int32(48)) if pGCC != 0 { db = Xsqlite3_context_db_handle(tls, context) firstTerm = libc.BoolInt32((*TGroupConcatCtx)(unsafe.Pointer(pGCC)).Fstr.FmxAlloc == uint32(0)) (*TGroupConcatCtx)(unsafe.Pointer(pGCC)).Fstr.FmxAlloc = libc.Uint32FromInt32(**(**int32)(__ccgo_up(db + 136))) if argc == int32(1) { if !(firstTerm != 0) { Xsqlite3_str_appendchar(tls, pGCC, int32(1), uint8(',')) } else { (*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FnFirstSepLength = int32(1) } } else { if !(firstTerm != 0) { zSep = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(argv + 1*8))) nSep = Xsqlite3_value_bytes(tls, **(**uintptr)(__ccgo_up(argv + 1*8))) if zSep != 0 { Xsqlite3_str_append(tls, pGCC, zSep, nSep) } else { nSep = 0 } if nSep != (*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FnFirstSepLength || (*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FpnSepLengths != uintptr(0) { pnsl = (*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FpnSepLengths if pnsl == uintptr(0) { /* First separator length variation seen, start tracking them. */ pnsl = Xsqlite3_malloc64(tls, uint64(libc.Uint64FromInt32((*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FnAccum+libc.Int32FromInt32(1))*uint64(4))) if pnsl != uintptr(0) { i = 0 nA = (*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FnAccum - int32(1) for i < nA { v1 = i i = i + 1 **(**int32)(__ccgo_up(pnsl + uintptr(v1)*4)) = (*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FnFirstSepLength } } } else { pnsl = Xsqlite3_realloc64(tls, pnsl, uint64(libc.Uint64FromInt32((*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FnAccum)*uint64(4))) } if pnsl != uintptr(0) { if (*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FnAccum > 0 { **(**int32)(__ccgo_up(pnsl + uintptr((*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FnAccum-int32(1))*4)) = nSep } (*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FpnSepLengths = pnsl } else { _sqlite3StrAccumSetError(tls, pGCC, uint8(SQLITE_NOMEM)) } } } else { (*TGroupConcatCtx)(unsafe.Pointer(pGCC)).FnFirstSepLength = Xsqlite3_value_bytes(tls, **(**uintptr)(__ccgo_up(argv + 1*8))) } } **(**int32)(__ccgo_up(pGCC + 32)) += int32(1) zVal = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(argv))) nVal = Xsqlite3_value_bytes(tls, **(**uintptr)(__ccgo_up(argv))) if zVal != 0 { Xsqlite3_str_append(tls, pGCC, zVal, nVal) } } } // C documentation // // /* // ** The hex() function. Interpret the argument as a blob. Return // ** a hexadecimal rendering as text. // */ func _hexFunc(tls *libc.TLS, context uintptr, argc int32, argv uintptr) { var c uint8 var i, n int32 var pBlob, z, zHex, v1 uintptr _, _, _, _, _, _, _ = c, i, n, pBlob, z, zHex, v1 _ = argc pBlob = Xsqlite3_value_blob(tls, **(**uintptr)(__ccgo_up(argv))) n = Xsqlite3_value_bytes(tls, **(**uintptr)(__ccgo_up(argv))) /* No encoding change */ v1 = _contextMalloc(tls, context, int64(n)*int64(2)+int64(1)) zHex = v1 z = v1 if zHex != 0 { i = 0 for { if !(i < n) { break } c = **(**uint8)(__ccgo_up(pBlob)) v1 = z z = z + 1 **(**uint8)(__ccgo_up(v1)) = _hexdigits[libc.Int32FromUint8(c)>>int32(4)&int32(0xf)] v1 = z z = z + 1 **(**uint8)(__ccgo_up(v1)) = _hexdigits[libc.Int32FromUint8(c)&int32(0xf)] goto _2 _2: ; i = i + 1 pBlob = pBlob + 1 } **(**uint8)(__ccgo_up(z)) = uint8(0) Xsqlite3_result_text64(tls, context, zHex, libc.Uint64FromInt64(int64(z)-int64(zHex)), __ccgo_fp(Xsqlite3_free), uint8(SQLITE_UTF8_ZT)) } } // C documentation // // /* // ** Term pTerm is guaranteed to be a WO_IN term. It may be a component term // ** of a vector IN expression of the form "(x, y, ...) IN (SELECT ...)". // ** This function checks to see if the term is compatible with an index // ** column with affinity idxaff (one of the SQLITE_AFF_XYZ values). If so, // ** it returns a pointer to the name of the collation sequence (e.g. "BINARY" // ** or "NOCASE") used by the comparison in pTerm. If it is not compatible // ** with affinity idxaff, NULL is returned. // */ func _indexInAffinityOk(tls *libc.TLS, pParse uintptr, pTerm uintptr, idxaff Tu8) (r uintptr) { bp := tls.Alloc(80) defer tls.Free(80) var iField int32 var pRet, pX, v1 uintptr var _ /* inexpr at bp+0 */ TExpr _, _, _, _ = iField, pRet, pX, v1 pX = (*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr if _sqlite3ExprIsVector(tls, (*TExpr)(unsafe.Pointer(pX)).FpLeft) != 0 { iField = (*(*struct { FleftColumn int32 FiField int32 })(unsafe.Pointer(pTerm + 32))).FiField - int32(1) (**(**TExpr)(__ccgo_up(bp))).Fflags = uint32(0) (**(**TExpr)(__ccgo_up(bp))).Fop = uint8(TK_EQ) (**(**TExpr)(__ccgo_up(bp))).FpLeft = (*(*TExprList_item)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer((*TExpr)(unsafe.Pointer(pX)).FpLeft + 32)) + 8 + uintptr(iField)*32))).FpExpr (**(**TExpr)(__ccgo_up(bp))).FpRight = (*(*TExprList_item)(unsafe.Pointer((*TSelect)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pX + 32)))).FpEList + 8 + uintptr(iField)*32))).FpExpr pX = bp } if _sqlite3IndexAffinityOk(tls, pX, idxaff) != 0 { pRet = _sqlite3ExprCompareCollSeq(tls, pParse, pX) if pRet != 0 { v1 = (*TCollSeq)(unsafe.Pointer(pRet)).FzName } else { v1 = uintptr(unsafe.Pointer(&_sqlite3StrBINARY)) } return v1 } return uintptr(0) } // C documentation // // /* // ** Process time function arguments. argv[0] is a date-time stamp. // ** argv[1] and following are modifiers. Parse them all and write // ** the resulting time into the DateTime structure p. Return 0 // ** on success and 1 if there are any errors. // ** // ** If there are zero parameters (if even argv[0] is undefined) // ** then assume a default value of "now" for argv[0]. // */ func _isDate(tls *libc.TLS, context uintptr, argc int32, argv uintptr, p uintptr) (r int32) { var eType, i, n, v1 int32 var z uintptr _, _, _, _, _ = eType, i, n, z, v1 libc.Xmemset(tls, p, 0, uint64(48)) if argc == 0 { if !(_sqlite3NotPureFunc(tls, context) != 0) { return int32(1) } return _setDateTimeToCurrent(tls, context, p) } v1 = Xsqlite3_value_type(tls, **(**uintptr)(__ccgo_up(argv))) eType = v1 if v1 == int32(SQLITE_FLOAT) || eType == int32(SQLITE_INTEGER) { _setRawDateNumber(tls, p, Xsqlite3_value_double(tls, **(**uintptr)(__ccgo_up(argv)))) } else { z = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(argv))) if !(z != 0) || _parseDateOrTime(tls, context, z, p) != 0 { return int32(1) } } i = int32(1) for { if !(i < argc) { break } z = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(argv + uintptr(i)*8))) n = Xsqlite3_value_bytes(tls, **(**uintptr)(__ccgo_up(argv + uintptr(i)*8))) if z == uintptr(0) || _parseModifier(tls, context, z, n, p, i) != 0 { return int32(1) } goto _2 _2: ; i = i + 1 } _computeJD(tls, p) if int32(uint32(*(*uint8)(unsafe.Pointer(p + 44))&0x2>>1)) != 0 || !(_validJulianDay(tls, (*TDateTime)(unsafe.Pointer(p)).FiJD) != 0) { return int32(1) } if argc == int32(1) && (*TDateTime)(unsafe.Pointer(p)).FvalidYMD != 0 && (*TDateTime)(unsafe.Pointer(p)).FD > int32(28) { /* Make sure a YYYY-MM-DD is normalized. ** Example: 2023-02-31 -> 2023-03-03 */ (*TDateTime)(unsafe.Pointer(p)).FvalidYMD = uint8(0) } return 0 } /* ** The following routines implement the various date and time functions ** of SQLite. */ // C documentation // // /* // ** Check to see if the given expression is a LIKE or GLOB operator that // ** can be optimized using inequality constraints. Return TRUE if it is // ** so and false if not. // ** // ** In order for the operator to be optimizible, the RHS must be a string // ** literal that does not begin with a wildcard. The LHS must be a column // ** that may only be NULL, a string, or a BLOB, never a number. (This means // ** that virtual tables cannot participate in the LIKE optimization.) The // ** collating sequence for the column on the LHS must be appropriate for // ** the operator. // */ func _isLikeOrGlob(tls *libc.TLS, pParse uintptr, pExpr uintptr, ppPrefix uintptr, pisComplete uintptr, pnoCase uintptr) (r int32) { bp := tls.Alloc(32) defer tls.Free(32) var c, v1 Tu8 var cnt, iCol, iFrom, iTo, isNum, op, r1, rc, v3 int32 var db, pLeft, pList, pPrefix, pReprepare, pRight, pVal, v, z, zNew uintptr var _ /* rDummy at bp+16 */ float64 var _ /* wc at bp+0 */ [4]Tu8 var _ /* z2 at bp+8 */ uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = c, cnt, db, iCol, iFrom, iTo, isNum, op, pLeft, pList, pPrefix, pReprepare, pRight, pVal, r1, rc, v, z, zNew, v1, v3 z = uintptr(0) /* Wildcard characters */ db = (*TParse)(unsafe.Pointer(pParse)).Fdb /* Database connection */ pVal = uintptr(0) /* Result code to return */ if !(_sqlite3IsLikeFunction(tls, db, pExpr, pnoCase, bp) != 0) { return 0 } pList = *(*uintptr)(unsafe.Pointer(pExpr + 32)) pLeft = (*(*TExprList_item)(unsafe.Pointer(pList + 8 + 1*32))).FpExpr pRight = _sqlite3ExprSkipCollate(tls, (*(*TExprList_item)(unsafe.Pointer(pList + 8))).FpExpr) op = libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pRight)).Fop) if op == int32(TK_VARIABLE) && (*Tsqlite3)(unsafe.Pointer(db)).Fflags&uint64(SQLITE_EnableQPSG) == uint64(0) { pReprepare = (*TParse)(unsafe.Pointer(pParse)).FpReprepare iCol = int32((*TExpr)(unsafe.Pointer(pRight)).FiColumn) pVal = _sqlite3VdbeGetBoundValue(tls, pReprepare, iCol, uint8(SQLITE_AFF_BLOB)) if pVal != 0 && Xsqlite3_value_type(tls, pVal) == int32(SQLITE_TEXT) { z = Xsqlite3_value_text(tls, pVal) } _sqlite3VdbeSetVarmask(tls, (*TParse)(unsafe.Pointer(pParse)).FpVdbe, iCol) } else { if op == int32(TK_STRING) { z = *(*uintptr)(unsafe.Pointer(pRight + 8)) } } if z != 0 { /* Count the number of prefix bytes prior to the first wildcard, ** U+fffd character, or malformed utf-8. If the underlying database ** has a UTF16LE encoding, then only consider ASCII characters. Note that ** the encoding of z[] is UTF8 - we are dealing with only UTF8 here in this ** code, but the database engine itself might be processing content using a ** different encoding. */ cnt = 0 for { v1 = **(**Tu8)(__ccgo_up(z + uintptr(cnt))) c = v1 if !(libc.Int32FromUint8(v1) != 0 && libc.Int32FromUint8(c) != libc.Int32FromUint8((**(**[4]Tu8)(__ccgo_up(bp)))[0]) && libc.Int32FromUint8(c) != libc.Int32FromUint8((**(**[4]Tu8)(__ccgo_up(bp)))[int32(1)]) && libc.Int32FromUint8(c) != libc.Int32FromUint8((**(**[4]Tu8)(__ccgo_up(bp)))[int32(2)])) { break } cnt = cnt + 1 if libc.Int32FromUint8(c) == libc.Int32FromUint8((**(**[4]Tu8)(__ccgo_up(bp)))[int32(3)]) && libc.Int32FromUint8(**(**Tu8)(__ccgo_up(z + uintptr(cnt)))) > 0 && libc.Int32FromUint8(**(**Tu8)(__ccgo_up(z + uintptr(cnt)))) < int32(0x80) { cnt = cnt + 1 } else { if libc.Int32FromUint8(c) >= int32(0x80) { **(**uintptr)(__ccgo_up(bp + 8)) = z + uintptr(cnt) - uintptr(1) if libc.Int32FromUint8(c) == int32(0xff) || _sqlite3Utf8Read(tls, bp+8) == uint32(0xfffd) || libc.Int32FromUint8((*Tsqlite3)(unsafe.Pointer(db)).Fenc) == int32(SQLITE_UTF16LE) { cnt = cnt - 1 break } else { cnt = int32(int64(**(**uintptr)(__ccgo_up(bp + 8))) - int64(z)) } } } } /* The optimization is possible only if (1) the pattern does not begin ** with a wildcard and if (2) the non-wildcard prefix does not end with ** an (illegal 0xff) character, or (3) the pattern does not consist of ** a single escape character. The second condition is necessary so ** that we can increment the prefix key to find an upper bound for the ** range search. The third is because the caller assumes that the pattern ** consists of at least one character after all escapes have been ** removed. */ if (cnt > int32(1) || cnt > 0 && libc.Int32FromUint8(**(**Tu8)(__ccgo_up(z))) != libc.Int32FromUint8((**(**[4]Tu8)(__ccgo_up(bp)))[int32(3)])) && int32(255) != libc.Int32FromUint8(**(**Tu8)(__ccgo_up(z + uintptr(cnt-int32(1))))) { /* A "complete" match if the pattern ends with "*" or "%" */ **(**int32)(__ccgo_up(pisComplete)) = libc.BoolInt32(libc.Int32FromUint8(c) == libc.Int32FromUint8((**(**[4]Tu8)(__ccgo_up(bp)))[0]) && libc.Int32FromUint8(**(**Tu8)(__ccgo_up(z + uintptr(cnt+int32(1))))) == 0 && libc.Int32FromUint8((*Tsqlite3)(unsafe.Pointer(db)).Fenc) != int32(SQLITE_UTF16LE)) /* Get the pattern prefix. Remove all escapes from the prefix. */ pPrefix = _sqlite3Expr(tls, db, int32(TK_STRING), z) if pPrefix != 0 { zNew = *(*uintptr)(unsafe.Pointer(pPrefix + 8)) **(**uint8)(__ccgo_up(zNew + uintptr(cnt))) = uint8(0) v3 = libc.Int32FromInt32(0) iTo = v3 iFrom = v3 for { if !(iFrom < cnt) { break } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zNew + uintptr(iFrom)))) == libc.Int32FromUint8((**(**[4]Tu8)(__ccgo_up(bp)))[int32(3)]) { iFrom = iFrom + 1 } v3 = iTo iTo = iTo + 1 **(**uint8)(__ccgo_up(zNew + uintptr(v3))) = **(**uint8)(__ccgo_up(zNew + uintptr(iFrom))) goto _2 _2: ; iFrom = iFrom + 1 } **(**uint8)(__ccgo_up(zNew + uintptr(iTo))) = uint8(0) /* If the LHS is not an ordinary column with TEXT affinity, then the ** pattern prefix boundaries (both the start and end boundaries) must ** not look like a number. Otherwise the pattern might be treated as ** a number, which will invalidate the LIKE optimization. ** ** Getting this right has been a persistent source of bugs in the ** LIKE optimization. See, for example: ** 2018-09-10 https://sqlite.org/src/info/c94369cae9b561b1 ** 2019-05-02 https://sqlite.org/src/info/b043a54c3de54b28 ** 2019-06-10 https://sqlite.org/src/info/fd76310a5e843e07 ** 2019-06-14 https://sqlite.org/src/info/ce8717f0885af975 ** 2019-09-03 https://sqlite.org/src/info/0f0428096f17252a */ if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pLeft)).Fop) != int32(TK_COLUMN) || libc.Int32FromUint8(_sqlite3ExprAffinity(tls, pLeft)) != int32(SQLITE_AFF_TEXT) || (*TExpr)(unsafe.Pointer(pLeft)).Fflags&libc.Uint32FromInt32(libc.Int32FromInt32(EP_WinFunc)|libc.Int32FromInt32(EP_Subrtn)) == uint32(0) && *(*uintptr)(unsafe.Pointer(pLeft + 64)) != 0 && libc.Int32FromUint8((*TTable)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pLeft + 64)))).FeTabType) == int32(TABTYP_VTAB) { isNum = _sqlite3AtoF(tls, zNew, bp+16) if isNum <= 0 { if iTo == int32(1) && libc.Int32FromUint8(**(**uint8)(__ccgo_up(zNew))) == int32('-') { isNum = +libc.Int32FromInt32(1) } else { **(**uint8)(__ccgo_up(zNew + uintptr(iTo-int32(1)))) = **(**uint8)(__ccgo_up(zNew + uintptr(iTo-int32(1)))) + 1 isNum = _sqlite3AtoF(tls, zNew, bp+16) **(**uint8)(__ccgo_up(zNew + uintptr(iTo-int32(1)))) = **(**uint8)(__ccgo_up(zNew + uintptr(iTo-int32(1)))) - 1 } } if isNum > 0 { _sqlite3ExprDelete(tls, db, pPrefix) _sqlite3ValueFree(tls, pVal) return 0 } } } **(**uintptr)(__ccgo_up(ppPrefix)) = pPrefix /* If the RHS pattern is a bound parameter, make arrangements to ** reprepare the statement when that parameter is rebound */ if op == int32(TK_VARIABLE) { v = (*TParse)(unsafe.Pointer(pParse)).FpVdbe _sqlite3VdbeSetVarmask(tls, v, int32((*TExpr)(unsafe.Pointer(pRight)).FiColumn)) if **(**int32)(__ccgo_up(pisComplete)) != 0 && **(**uint8)(__ccgo_up(*(*uintptr)(unsafe.Pointer(pRight + 8)) + 1)) != 0 { /* If the rhs of the LIKE expression is a variable, and the current ** value of the variable means there is no need to invoke the LIKE ** function, then no OP_Variable will be added to the program. ** This causes problems for the sqlite3_bind_parameter_name() ** API. To work around them, add a dummy OP_Variable here. */ r1 = _sqlite3GetTempReg(tls, pParse) _sqlite3ExprCodeTarget(tls, pParse, pRight, r1) _sqlite3VdbeChangeP3(tls, v, _sqlite3VdbeCurrentAddr(tls, v)-int32(1), 0) _sqlite3ReleaseTempReg(tls, pParse, r1) } } } else { z = uintptr(0) } } rc = libc.BoolInt32(z != uintptr(0)) _sqlite3ValueFree(tls, pVal) return rc } func _jsonAppendChar(tls *libc.TLS, p uintptr, c uint8) { var v1 Tu64 var v2 uintptr _, _ = v1, v2 if (*TJsonString)(unsafe.Pointer(p)).FnUsed >= (*TJsonString)(unsafe.Pointer(p)).FnAlloc { _jsonAppendCharExpand(tls, p, c) } else { v2 = p + 24 v1 = *(*Tu64)(unsafe.Pointer(v2)) *(*Tu64)(unsafe.Pointer(v2)) = *(*Tu64)(unsafe.Pointer(v2)) + 1 **(**uint8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr(v1))) = c } } // C documentation // // /* Append a single character // */ func _jsonAppendCharExpand(tls *libc.TLS, p uintptr, c uint8) { var v1 Tu64 var v2 uintptr _, _ = v1, v2 if _jsonStringGrow(tls, p, uint32(1)) != 0 { return } v2 = p + 24 v1 = *(*Tu64)(unsafe.Pointer(v2)) *(*Tu64)(unsafe.Pointer(v2)) = *(*Tu64)(unsafe.Pointer(v2)) + 1 **(**uint8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr(v1))) = c } // C documentation // // /* Append the N-byte string in zIn to the end of the JsonString string // ** under construction. Enclose the string in double-quotes ("...") and // ** escape any double-quotes or backslash characters contained within the // ** string. // ** // ** This routine is a high-runner. There is a measurable performance // ** increase associated with unwinding the jsonIsOk[] loop. // */ func _jsonAppendString(tls *libc.TLS, p uintptr, zIn uintptr, N Tu32) { var c Tu8 var k Tu32 var z, v2 uintptr var v1 Tu64 _, _, _, _, _ = c, k, z, v1, v2 z = zIn if z == uintptr(0) { return } if uint64(N)+(*TJsonString)(unsafe.Pointer(p)).FnUsed+uint64(2) >= (*TJsonString)(unsafe.Pointer(p)).FnAlloc && _jsonStringGrow(tls, p, N+uint32(2)) != 0 { return } v2 = p + 24 v1 = *(*Tu64)(unsafe.Pointer(v2)) *(*Tu64)(unsafe.Pointer(v2)) = *(*Tu64)(unsafe.Pointer(v2)) + 1 **(**uint8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr(v1))) = uint8('"') for int32(1) != 0 { k = uint32(0) /* The following while() is the 4-way unwound equivalent of ** ** while( k= N { for k < N && _jsonIsOk[**(**Tu8)(__ccgo_up(z + uintptr(k)))] != 0 { k = k + 1 } break } if !(_jsonIsOk[**(**Tu8)(__ccgo_up(z + uintptr(k)))] != 0) { break } if !(_jsonIsOk[**(**Tu8)(__ccgo_up(z + uintptr(k+uint32(1))))] != 0) { k = k + uint32(1) break } if !(_jsonIsOk[**(**Tu8)(__ccgo_up(z + uintptr(k+uint32(2))))] != 0) { k = k + uint32(2) break } if !(_jsonIsOk[**(**Tu8)(__ccgo_up(z + uintptr(k+uint32(3))))] != 0) { k = k + uint32(3) break } else { k = k + uint32(4) } } if k >= N { if k > uint32(0) { libc.Xmemcpy(tls, (*TJsonString)(unsafe.Pointer(p)).FzBuf+uintptr((*TJsonString)(unsafe.Pointer(p)).FnUsed), z, uint64(k)) **(**Tu64)(__ccgo_up(p + 24)) += uint64(k) } break } if k > uint32(0) { libc.Xmemcpy(tls, (*TJsonString)(unsafe.Pointer(p)).FzBuf+uintptr((*TJsonString)(unsafe.Pointer(p)).FnUsed), z, uint64(k)) **(**Tu64)(__ccgo_up(p + 24)) += uint64(k) z = z + uintptr(k) N = N - k } c = **(**Tu8)(__ccgo_up(z)) if libc.Int32FromUint8(c) == int32('"') || libc.Int32FromUint8(c) == int32('\\') { if (*TJsonString)(unsafe.Pointer(p)).FnUsed+uint64(N)+uint64(3) > (*TJsonString)(unsafe.Pointer(p)).FnAlloc && _jsonStringGrow(tls, p, N+uint32(3)) != 0 { return } v2 = p + 24 v1 = *(*Tu64)(unsafe.Pointer(v2)) *(*Tu64)(unsafe.Pointer(v2)) = *(*Tu64)(unsafe.Pointer(v2)) + 1 **(**uint8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr(v1))) = uint8('\\') v2 = p + 24 v1 = *(*Tu64)(unsafe.Pointer(v2)) *(*Tu64)(unsafe.Pointer(v2)) = *(*Tu64)(unsafe.Pointer(v2)) + 1 **(**uint8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr(v1))) = c } else { if libc.Int32FromUint8(c) == int32('\'') { v2 = p + 24 v1 = *(*Tu64)(unsafe.Pointer(v2)) *(*Tu64)(unsafe.Pointer(v2)) = *(*Tu64)(unsafe.Pointer(v2)) + 1 **(**uint8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr(v1))) = c } else { if (*TJsonString)(unsafe.Pointer(p)).FnUsed+uint64(N)+uint64(7) > (*TJsonString)(unsafe.Pointer(p)).FnAlloc && _jsonStringGrow(tls, p, N+uint32(7)) != 0 { return } _jsonAppendControlChar(tls, p, c) } } z = z + 1 N = N - 1 } v2 = p + 24 v1 = *(*Tu64)(unsafe.Pointer(v2)) *(*Tu64)(unsafe.Pointer(v2)) = *(*Tu64)(unsafe.Pointer(v2)) + 1 **(**uint8)(__ccgo_up((*TJsonString)(unsafe.Pointer(p)).FzBuf + uintptr(v1))) = uint8('"') } // C documentation // // /* // ** Implementation of the json_array(VALUE,...) function. Return a JSON // ** array that contains all values given in arguments. Or if any argument // ** is a BLOB, throw an error. // */ func _jsonArrayFunc(tls *libc.TLS, ctx uintptr, argc int32, argv uintptr) { bp := tls.Alloc(144) defer tls.Free(144) var i int32 var _ /* jx at bp+0 */ TJsonString _ = i _jsonStringInit(tls, bp, ctx) _jsonAppendChar(tls, bp, uint8('[')) i = 0 for { if !(i < argc) { break } _jsonAppendSeparator(tls, bp) _jsonAppendSqlValue(tls, bp, **(**uintptr)(__ccgo_up(argv + uintptr(i)*8))) goto _1 _1: ; i = i + 1 } _jsonAppendChar(tls, bp, uint8(']')) _jsonReturnString(tls, bp, uintptr(0), uintptr(0)) Xsqlite3_result_subtype(tls, ctx, uint32(JSON_SUBTYPE)) } // C documentation // // /**************************************************************************** // ** Aggregate SQL function implementations // ****************************************************************************/ // /* // ** json_group_array(VALUE) // ** // ** Return a JSON array composed of all values in the aggregate. // */ func _jsonArrayStep(tls *libc.TLS, ctx uintptr, argc int32, argv uintptr) { var pStr uintptr _ = pStr _ = argc pStr = Xsqlite3_aggregate_context(tls, ctx, int32(136)) if pStr != 0 { if (*TJsonString)(unsafe.Pointer(pStr)).FzBuf == uintptr(0) { _jsonStringInit(tls, pStr, ctx) _jsonAppendChar(tls, pStr, uint8('[')) } else { if (*TJsonString)(unsafe.Pointer(pStr)).FnUsed > uint64(1) { _jsonAppendChar(tls, pStr, uint8(',')) } } (*TJsonString)(unsafe.Pointer(pStr)).FpCtx = ctx _jsonAppendSqlValue(tls, pStr, **(**uintptr)(__ccgo_up(argv))) } } // C documentation // // /* This helper routine for jsonLookupStep() populates pIns with // ** binary data that is to be inserted into pParse. // ** // ** In the common case, pIns just points to pParse->aIns and pParse->nIns. // ** But if the zPath of the original edit operation includes path elements // ** that go deeper, additional substructure must be created. // ** // ** For example: // ** // ** json_insert('{}', '$.a.b.c', 123); // ** // ** The search stops at '$.a' But additional substructure must be // ** created for the ".b.c" part of the patch so that the final result // ** is: {"a":{"b":{"c"::123}}}. This routine populates pIns with // ** the binary equivalent of {"b":{"c":123}} so that it can be inserted. // ** // ** The caller is responsible for resetting pIns when it has finished // ** using the substructure. // */ func _jsonCreateEditSubstructure(tls *libc.TLS, pParse uintptr, pIns uintptr, zTail uintptr) (r Tu32) { var rc int32 var v1 uintptr _, _ = rc, v1 libc.Xmemset(tls, pIns, 0, uint64(72)) (*TJsonParse)(unsafe.Pointer(pIns)).Fdb = (*TJsonParse)(unsafe.Pointer(pParse)).Fdb if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zTail))) == 0 { /* No substructure. Just insert what is given in pParse. */ (*TJsonParse)(unsafe.Pointer(pIns)).FaBlob = (*TJsonParse)(unsafe.Pointer(pParse)).FaIns (*TJsonParse)(unsafe.Pointer(pIns)).FnBlob = (*TJsonParse)(unsafe.Pointer(pParse)).FnIns rc = 0 } else { /* Construct the binary substructure */ (*TJsonParse)(unsafe.Pointer(pIns)).FnBlob = uint32(1) (*TJsonParse)(unsafe.Pointer(pIns)).FaBlob = uintptr(unsafe.Pointer(&_emptyObject)) + libc.BoolUintptr(libc.Int32FromUint8(**(**uint8)(__ccgo_up(zTail))) == int32('.')) (*TJsonParse)(unsafe.Pointer(pIns)).FeEdit = (*TJsonParse)(unsafe.Pointer(pParse)).FeEdit (*TJsonParse)(unsafe.Pointer(pIns)).FnIns = (*TJsonParse)(unsafe.Pointer(pParse)).FnIns (*TJsonParse)(unsafe.Pointer(pIns)).FaIns = (*TJsonParse)(unsafe.Pointer(pParse)).FaIns (*TJsonParse)(unsafe.Pointer(pIns)).FiDepth = libc.Uint16FromInt32(libc.Int32FromUint16((*TJsonParse)(unsafe.Pointer(pParse)).FiDepth) + int32(1)) if libc.Int32FromUint16((*TJsonParse)(unsafe.Pointer(pIns)).FiDepth) >= int32(JSON_MAX_DEPTH) { return uint32(JSON_LOOKUP_TOODEEP) } rc = libc.Int32FromUint32(_jsonLookupStep(tls, pIns, uint32(0), zTail, uint32(0))) (*TJsonParse)(unsafe.Pointer(pParse)).FiDepth = (*TJsonParse)(unsafe.Pointer(pParse)).FiDepth - 1 v1 = pParse + 47 *(*Tu8)(unsafe.Pointer(v1)) = Tu8(int32(*(*Tu8)(unsafe.Pointer(v1))) | libc.Int32FromUint8((*TJsonParse)(unsafe.Pointer(pIns)).Foom)) } return libc.Uint32FromInt32(rc) /* Error code only */ } // C documentation // // /* Return the value of a column */ func _jsonEachColumn(tls *libc.TLS, cur uintptr, ctx uintptr, iColumn int32) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var eType Tu8 var i, i1, i2, j, n, n1 Tu32 var nBase Tu64 var p uintptr var _ /* x at bp+0 */ Ti64 _, _, _, _, _, _, _, _, _ = eType, i, i1, i2, j, n, n1, nBase, p p = cur switch iColumn { case JEACH_KEY: if (*TJsonEachCursor)(unsafe.Pointer(p)).FnParent == uint32(0) { if (*TJsonEachCursor)(unsafe.Pointer(p)).FnRoot == uint32(1) { break } j = libc.Uint32FromInt32(_jsonEachPathLength(tls, p)) n = (*TJsonEachCursor)(unsafe.Pointer(p)).FnRoot - j if n == uint32(0) { break } else { if libc.Int32FromUint8(**(**uint8)(__ccgo_up((*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FzBuf + uintptr(j)))) == int32('[') { _sqlite3Atoi64(tls, (*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FzBuf+uintptr(j+uint32(1)), bp, libc.Int32FromUint32(n-uint32(1)), uint8(SQLITE_UTF8)) Xsqlite3_result_int64(tls, ctx, **(**Ti64)(__ccgo_up(bp))) } else { if libc.Int32FromUint8(**(**uint8)(__ccgo_up((*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FzBuf + uintptr(j+uint32(1))))) == int32('"') { Xsqlite3_result_text(tls, ctx, (*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FzBuf+uintptr(j+uint32(2)), libc.Int32FromUint32(n-uint32(3)), uintptr(-libc.Int32FromInt32(1))) } else { Xsqlite3_result_text(tls, ctx, (*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FzBuf+uintptr(j+uint32(1)), libc.Int32FromUint32(n-uint32(1)), uintptr(-libc.Int32FromInt32(1))) } } } break } if libc.Int32FromUint8((*TJsonEachCursor)(unsafe.Pointer(p)).FeType) == int32(JSONB_OBJECT) { _jsonReturnFromBlob(tls, p+192, (*TJsonEachCursor)(unsafe.Pointer(p)).Fi, ctx, int32(1)) } else { Xsqlite3_result_int64(tls, ctx, (**(**TJsonParent)(__ccgo_up((*TJsonEachCursor)(unsafe.Pointer(p)).FaParent + uintptr((*TJsonEachCursor)(unsafe.Pointer(p)).FnParent-uint32(1))*24))).FiKey) } case int32(JEACH_VALUE): i = libc.Uint32FromInt32(_jsonSkipLabel(tls, p)) _jsonReturnFromBlob(tls, p+192, i, ctx, libc.Int32FromUint8((*TJsonEachCursor)(unsafe.Pointer(p)).FeMode)) if libc.Int32FromUint8(**(**Tu8)(__ccgo_up((*TJsonEachCursor)(unsafe.Pointer(p)).FsParse.FaBlob + uintptr(i))))&int32(0x0f) >= int32(JSONB_ARRAY) { Xsqlite3_result_subtype(tls, ctx, uint32(JSON_SUBTYPE)) } case int32(JEACH_TYPE): i1 = libc.Uint32FromInt32(_jsonSkipLabel(tls, p)) eType = libc.Uint8FromInt32(libc.Int32FromUint8(**(**Tu8)(__ccgo_up((*TJsonEachCursor)(unsafe.Pointer(p)).FsParse.FaBlob + uintptr(i1)))) & int32(0x0f)) Xsqlite3_result_text(tls, ctx, _jsonbType[eType], -int32(1), libc.UintptrFromInt32(0)) case int32(JEACH_ATOM): i2 = libc.Uint32FromInt32(_jsonSkipLabel(tls, p)) if libc.Int32FromUint8(**(**Tu8)(__ccgo_up((*TJsonEachCursor)(unsafe.Pointer(p)).FsParse.FaBlob + uintptr(i2))))&int32(0x0f) < int32(JSONB_ARRAY) { _jsonReturnFromBlob(tls, p+192, i2, ctx, int32(1)) } case int32(JEACH_ID): Xsqlite3_result_int64(tls, ctx, libc.Int64FromUint32((*TJsonEachCursor)(unsafe.Pointer(p)).Fi)) case int32(JEACH_PARENT): if (*TJsonEachCursor)(unsafe.Pointer(p)).FnParent > uint32(0) && (*TJsonEachCursor)(unsafe.Pointer(p)).FbRecursive != 0 { Xsqlite3_result_int64(tls, ctx, libc.Int64FromUint32((**(**TJsonParent)(__ccgo_up((*TJsonEachCursor)(unsafe.Pointer(p)).FaParent + uintptr((*TJsonEachCursor)(unsafe.Pointer(p)).FnParent-uint32(1))*24))).FiHead)) } case int32(JEACH_FULLKEY): nBase = (*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FnUsed if (*TJsonEachCursor)(unsafe.Pointer(p)).FnParent != 0 { _jsonAppendPathName(tls, p) } Xsqlite3_result_text64(tls, ctx, (*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FzBuf, (*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FnUsed, uintptr(-libc.Int32FromInt32(1)), uint8(SQLITE_UTF8)) (*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FnUsed = nBase case int32(JEACH_PATH): n1 = libc.Uint32FromInt32(_jsonEachPathLength(tls, p)) Xsqlite3_result_text64(tls, ctx, (*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FzBuf, uint64(n1), uintptr(-libc.Int32FromInt32(1)), uint8(SQLITE_UTF8)) default: Xsqlite3_result_text(tls, ctx, (*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FzBuf, libc.Int32FromUint32((*TJsonEachCursor)(unsafe.Pointer(p)).FnRoot), libc.UintptrFromInt32(0)) case int32(JEACH_JSON): if (*TJsonEachCursor)(unsafe.Pointer(p)).FsParse.FzJson == uintptr(0) { Xsqlite3_result_blob(tls, ctx, (*TJsonEachCursor)(unsafe.Pointer(p)).FsParse.FaBlob, libc.Int32FromUint32((*TJsonEachCursor)(unsafe.Pointer(p)).FsParse.FnBlob), uintptr(-libc.Int32FromInt32(1))) } else { Xsqlite3_result_text(tls, ctx, (*TJsonEachCursor)(unsafe.Pointer(p)).FsParse.FzJson, -int32(1), uintptr(-libc.Int32FromInt32(1))) } break } return SQLITE_OK } // C documentation // // /* Length of the path for rowid==0 in bRecursive mode. // */ func _jsonEachPathLength(tls *libc.TLS, p uintptr) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var cSaved uint8 var n, x Tu32 var z uintptr var _ /* sz at bp+0 */ Tu32 _, _, _, _ = cSaved, n, x, z n = uint32((*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FnUsed) z = (*TJsonEachCursor)(unsafe.Pointer(p)).Fpath.FzBuf if (*TJsonEachCursor)(unsafe.Pointer(p)).FiRowid == uint32(0) && (*TJsonEachCursor)(unsafe.Pointer(p)).FbRecursive != 0 && n >= uint32(2) { for n > uint32(1) { n = n - 1 if libc.Int32FromUint8(**(**uint8)(__ccgo_up(z + uintptr(n)))) == int32('[') || libc.Int32FromUint8(**(**uint8)(__ccgo_up(z + uintptr(n)))) == int32('.') { **(**Tu32)(__ccgo_up(bp)) = uint32(0) cSaved = **(**uint8)(__ccgo_up(z + uintptr(n))) **(**uint8)(__ccgo_up(z + uintptr(n))) = uint8(0) x = _jsonLookupStep(tls, p+192, uint32(0), z+uintptr(1), uint32(0)) **(**uint8)(__ccgo_up(z + uintptr(n))) = cSaved if x >= uint32(JSON_LOOKUP_PATHERROR) { continue } if x+_jsonbPayloadSize(tls, p+192, x, bp) == (*TJsonEachCursor)(unsafe.Pointer(p)).Fi { break } } } } return libc.Int32FromUint32(n) } // C documentation // // /* // ** json_error_position(JSON) // ** // ** If the argument is NULL, return NULL // ** // ** If the argument is BLOB, do a full validity check and return non-zero // ** if the check fails. The return value is the approximate 1-based offset // ** to the byte of the element that contains the first error. // ** // ** Otherwise interpret the argument is TEXT (even if it is numeric) and // ** return the 1-based character position for where the parser first recognized // ** that the input was not valid JSON, or return 0 if the input text looks // ** ok. JSON-5 extensions are accepted. // */ func _jsonErrorFunc(tls *libc.TLS, ctx uintptr, argc int32, argv uintptr) { bp := tls.Alloc(80) defer tls.Free(80) var iErrPos Ti64 var k Tu32 var _ /* s at bp+0 */ TJsonParse _, _ = iErrPos, k iErrPos = 0 _ = argc libc.Xmemset(tls, bp, 0, uint64(72)) (**(**TJsonParse)(__ccgo_up(bp))).Fdb = Xsqlite3_context_db_handle(tls, ctx) if _jsonArgIsJsonb(tls, **(**uintptr)(__ccgo_up(argv)), bp) != 0 { iErrPos = libc.Int64FromUint32(_jsonbValidityCheck(tls, bp, uint32(0), (**(**TJsonParse)(__ccgo_up(bp))).FnBlob, uint32(1))) } else { (**(**TJsonParse)(__ccgo_up(bp))).FzJson = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(argv))) if (**(**TJsonParse)(__ccgo_up(bp))).FzJson == uintptr(0) { return } /* NULL input or OOM */ (**(**TJsonParse)(__ccgo_up(bp))).FnJson = Xsqlite3_value_bytes(tls, **(**uintptr)(__ccgo_up(argv))) if _jsonConvertTextToBlob(tls, bp, uintptr(0)) != 0 { if (**(**TJsonParse)(__ccgo_up(bp))).Foom != 0 { iErrPos = int64(-int32(1)) } else { /* Because s.oom is false */ k = uint32(0) for { if !(k < (**(**TJsonParse)(__ccgo_up(bp))).FiErr && **(**uint8)(__ccgo_up((**(**TJsonParse)(__ccgo_up(bp))).FzJson + uintptr(k))) != 0) { break } if libc.Int32FromUint8(**(**uint8)(__ccgo_up((**(**TJsonParse)(__ccgo_up(bp))).FzJson + uintptr(k))))&int32(0xc0) != int32(0x80) { iErrPos = iErrPos + 1 } goto _1 _1: ; k = k + 1 } iErrPos = iErrPos + 1 } } } _jsonParseReset(tls, bp) if iErrPos < 0 { Xsqlite3_result_error_nomem(tls, ctx) } else { Xsqlite3_result_int64(tls, ctx, iErrPos) } } // C documentation // // /* // ** This method works for both json_group_array() and json_group_object(). // ** It works by removing the first element of the group by searching forward // ** to the first comma (",") that is not within a string and deleting all // ** text through that comma. // */ func _jsonGroupInverse(tls *libc.TLS, ctx uintptr, argc int32, argv uintptr) { var c, v2 uint8 var i uint32 var inStr, nNest int32 var pStr, z uintptr var v3 bool _, _, _, _, _, _, _, _ = c, i, inStr, nNest, pStr, z, v2, v3 inStr = 0 nNest = 0 _ = argc _ = argv pStr = Xsqlite3_aggregate_context(tls, ctx, 0) /* pStr is always non-NULL since jsonArrayStep() or jsonObjectStep() will ** always have been called to initialize it */ if !(pStr != 0) { return } z = (*TJsonString)(unsafe.Pointer(pStr)).FzBuf i = uint32(1) for { if v3 = uint64(i) < (*TJsonString)(unsafe.Pointer(pStr)).FnUsed; v3 { v2 = **(**uint8)(__ccgo_up(z + uintptr(i))) c = v2 } if !(v3 && (libc.Int32FromUint8(v2) != int32(',') || inStr != 0 || nNest != 0)) { break } if libc.Int32FromUint8(c) == int32('"') { inStr = libc.BoolInt32(!(inStr != 0)) } else { if libc.Int32FromUint8(c) == int32('\\') { i = i + 1 } else { if !(inStr != 0) { if libc.Int32FromUint8(c) == int32('{') || libc.Int32FromUint8(c) == int32('[') { nNest = nNest + 1 } if libc.Int32FromUint8(c) == int32('}') || libc.Int32FromUint8(c) == int32(']') { nNest = nNest - 1 } } } } goto _1 _1: ; i = i + 1 } if uint64(i) < (*TJsonString)(unsafe.Pointer(pStr)).FnUsed { **(**Tu64)(__ccgo_up(pStr + 24)) -= uint64(i) libc.Xmemmove(tls, z+1, z+uintptr(i+uint32(1)), (*TJsonString)(unsafe.Pointer(pStr)).FnUsed-uint64(1)) **(**uint8)(__ccgo_up(z + uintptr((*TJsonString)(unsafe.Pointer(pStr)).FnUsed))) = uint8(0) } else { (*TJsonString)(unsafe.Pointer(pStr)).FnUsed = uint64(1) } } // C documentation // // /* argv[0] is a BLOB that seems likely to be a JSONB. Subsequent // ** arguments come in pairs where each pair contains a JSON path and // ** content to insert or set at that patch. Do the updates // ** and return the result. // ** // ** The specific operation is determined by eEdit, which can be one // ** of JEDIT_INS, JEDIT_REPL, JEDIT_SET, or JEDIT_AINS. // */ func _jsonInsertIntoBlob(tls *libc.TLS, ctx uintptr, argc int32, argv uintptr, eEdit int32) { bp := tls.Alloc(80) defer tls.Free(80) var flgs, i, v1 int32 var p, zPath uintptr var rc Tu32 var _ /* ax at bp+0 */ TJsonParse _, _, _, _, _, _ = flgs, i, p, rc, zPath, v1 rc = uint32(0) zPath = uintptr(0) if argc == int32(1) { v1 = 0 } else { v1 = int32(JSON_EDITABLE) } flgs = v1 p = _jsonParseFuncArg(tls, ctx, **(**uintptr)(__ccgo_up(argv)), libc.Uint32FromInt32(flgs)) if p == uintptr(0) { return } i = int32(1) for { if !(i < argc-int32(1)) { break } if Xsqlite3_value_type(tls, **(**uintptr)(__ccgo_up(argv + uintptr(i)*8))) == int32(SQLITE_NULL) { goto _2 } zPath = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(argv + uintptr(i)*8))) if zPath == uintptr(0) { Xsqlite3_result_error_nomem(tls, ctx) _jsonParseFree(tls, p) return } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zPath))) != int32('$') { goto jsonInsertIntoBlob_patherror } if _jsonFunctionArgToBlob(tls, ctx, **(**uintptr)(__ccgo_up(argv + uintptr(i+int32(1))*8)), bp) != 0 { _jsonParseReset(tls, bp) _jsonParseFree(tls, p) return } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zPath + 1))) == 0 { if eEdit == int32(JEDIT_REPL) || eEdit == int32(JEDIT_SET) { _jsonBlobEdit(tls, p, uint32(0), (*TJsonParse)(unsafe.Pointer(p)).FnBlob, (**(**TJsonParse)(__ccgo_up(bp))).FaBlob, (**(**TJsonParse)(__ccgo_up(bp))).FnBlob) } rc = uint32(0) } else { (*TJsonParse)(unsafe.Pointer(p)).FeEdit = libc.Uint8FromInt32(eEdit) (*TJsonParse)(unsafe.Pointer(p)).FnIns = (**(**TJsonParse)(__ccgo_up(bp))).FnBlob (*TJsonParse)(unsafe.Pointer(p)).FaIns = (**(**TJsonParse)(__ccgo_up(bp))).FaBlob (*TJsonParse)(unsafe.Pointer(p)).Fdelta = 0 (*TJsonParse)(unsafe.Pointer(p)).FiDepth = uint16(0) rc = _jsonLookupStep(tls, p, uint32(0), zPath+uintptr(1), uint32(0)) } _jsonParseReset(tls, bp) if rc == uint32(JSON_LOOKUP_NOTFOUND) { goto _2 } if rc >= uint32(JSON_LOOKUP_PATHERROR) { goto jsonInsertIntoBlob_patherror } goto _2 _2: ; i = i + int32(2) } _jsonReturnParse(tls, ctx, p) _jsonParseFree(tls, p) return goto jsonInsertIntoBlob_patherror jsonInsertIntoBlob_patherror: ; _jsonParseFree(tls, p) _jsonBadPathError(tls, ctx, zPath, libc.Int32FromUint32(rc)) return } // C documentation // // /* // ** json_remove(JSON, PATH, ...) // ** // ** Remove the named elements from JSON and return the result. malformed // ** JSON or PATH arguments result in an error. // */ func _jsonRemoveFunc(tls *libc.TLS, ctx uintptr, argc int32, argv uintptr) { var i, v1 int32 var p, zPath uintptr var rc Tu32 _, _, _, _, _ = i, p, rc, zPath, v1 /* The parse */ zPath = uintptr(0) /* Subroutine return code */ if argc < int32(1) { return } if argc > int32(1) { v1 = int32(JSON_EDITABLE) } else { v1 = 0 } p = _jsonParseFuncArg(tls, ctx, **(**uintptr)(__ccgo_up(argv)), libc.Uint32FromInt32(v1)) if p == uintptr(0) { return } i = int32(1) for { if !(i < argc) { break } zPath = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(argv + uintptr(i)*8))) if zPath == uintptr(0) { goto json_remove_done } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zPath))) != int32('$') { goto json_remove_patherror } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zPath + 1))) == 0 { /* json_remove(j,'$') returns NULL */ goto json_remove_done } (*TJsonParse)(unsafe.Pointer(p)).FeEdit = uint8(JEDIT_DEL) (*TJsonParse)(unsafe.Pointer(p)).Fdelta = 0 rc = _jsonLookupStep(tls, p, uint32(0), zPath+uintptr(1), uint32(0)) if rc >= uint32(JSON_LOOKUP_PATHERROR) { if rc == uint32(JSON_LOOKUP_NOTFOUND) { goto _2 /* No-op */ } else { _jsonBadPathError(tls, ctx, zPath, libc.Int32FromUint32(rc)) } goto json_remove_done } goto _2 _2: ; i = i + 1 } _jsonReturnParse(tls, ctx, p) _jsonParseFree(tls, p) return goto json_remove_patherror json_remove_patherror: ; _jsonBadPathError(tls, ctx, zPath, 0) goto json_remove_done json_remove_done: ; _jsonParseFree(tls, p) return } // C documentation // // /* // ** json_type(JSON) // ** json_type(JSON, PATH) // ** // ** Return the top-level "type" of a JSON string. json_type() raises an // ** error if either the JSON or PATH inputs are not well-formed. // */ func _jsonTypeFunc(tls *libc.TLS, ctx uintptr, argc int32, argv uintptr) { var i Tu32 var p, zPath uintptr _, _, _ = i, p, zPath /* The parse */ zPath = uintptr(0) p = _jsonParseFuncArg(tls, ctx, **(**uintptr)(__ccgo_up(argv)), uint32(0)) if p == uintptr(0) { return } if argc == int32(2) { zPath = Xsqlite3_value_text(tls, **(**uintptr)(__ccgo_up(argv + 1*8))) if zPath == uintptr(0) { goto json_type_done } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zPath))) != int32('$') { _jsonBadPathError(tls, ctx, zPath, 0) goto json_type_done } i = _jsonLookupStep(tls, p, uint32(0), zPath+uintptr(1), uint32(0)) if i >= uint32(JSON_LOOKUP_PATHERROR) { if i == uint32(JSON_LOOKUP_NOTFOUND) { /* no-op */ } else { _jsonBadPathError(tls, ctx, zPath, libc.Int32FromUint32(i)) } goto json_type_done } } else { i = uint32(0) } Xsqlite3_result_text(tls, ctx, _jsonbType[libc.Int32FromUint8(**(**Tu8)(__ccgo_up((*TJsonParse)(unsafe.Pointer(p)).FaBlob + uintptr(i))))&int32(0x0f)], -int32(1), libc.UintptrFromInt32(0)) goto json_type_done json_type_done: ; _jsonParseFree(tls, p) } // C documentation // // /* // ** Open an mem file handle. // */ func _memdbOpen(tls *libc.TLS, pVfs uintptr, zName uintptr, pFd uintptr, flags int32, pOutFlags uintptr) (r int32) { var apNew, p, pFile, pVfsMutex, v3 uintptr var i, szName, v2 int32 _, _, _, _, _, _, _, _ = apNew, i, p, pFile, pVfsMutex, szName, v2, v3 pFile = pFd p = uintptr(0) _ = pVfs libc.Xmemset(tls, pFile, 0, uint64(24)) szName = _sqlite3Strlen30(tls, zName) if szName > int32(1) && (libc.Int32FromUint8(**(**uint8)(__ccgo_up(zName))) == int32('/') || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zName))) == int32('\\')) { pVfsMutex = _sqlite3MutexAlloc(tls, int32(SQLITE_MUTEX_STATIC_VFS1)) Xsqlite3_mutex_enter(tls, pVfsMutex) i = 0 for { if !(i < _memdb_g.FnMemStore) { break } if libc.Xstrcmp(tls, (*TMemStore)(unsafe.Pointer(**(**uintptr)(__ccgo_up(_memdb_g.FapMemStore + uintptr(i)*8)))).FzFName, zName) == 0 { p = **(**uintptr)(__ccgo_up(_memdb_g.FapMemStore + uintptr(i)*8)) break } goto _1 _1: ; i = i + 1 } if p == uintptr(0) { p = _sqlite3Malloc(tls, uint64(72)+libc.Uint64FromInt64(int64(szName))+uint64(3)) if p == uintptr(0) { Xsqlite3_mutex_leave(tls, pVfsMutex) return int32(SQLITE_NOMEM) } apNew = _sqlite3Realloc(tls, _memdb_g.FapMemStore, uint64(8)*libc.Uint64FromInt64(libc.Int64FromInt32(1)+int64(_memdb_g.FnMemStore))) if apNew == uintptr(0) { Xsqlite3_free(tls, p) Xsqlite3_mutex_leave(tls, pVfsMutex) return int32(SQLITE_NOMEM) } v3 = uintptr(unsafe.Pointer(&_memdb_g)) v2 = *(*int32)(unsafe.Pointer(v3)) *(*int32)(unsafe.Pointer(v3)) = *(*int32)(unsafe.Pointer(v3)) + 1 **(**uintptr)(__ccgo_up(apNew + uintptr(v2)*8)) = p _memdb_g.FapMemStore = apNew libc.Xmemset(tls, p, 0, uint64(72)) (*TMemStore)(unsafe.Pointer(p)).FmFlags = libc.Uint32FromInt32(libc.Int32FromInt32(SQLITE_DESERIALIZE_RESIZEABLE) | libc.Int32FromInt32(SQLITE_DESERIALIZE_FREEONCLOSE)) (*TMemStore)(unsafe.Pointer(p)).FszMax = _sqlite3Config.FmxMemdbSize (*TMemStore)(unsafe.Pointer(p)).FzFName = p + 1*72 libc.Xmemcpy(tls, (*TMemStore)(unsafe.Pointer(p)).FzFName, zName, libc.Uint64FromInt32(szName+int32(1))) (*TMemStore)(unsafe.Pointer(p)).FpMutex = Xsqlite3_mutex_alloc(tls, SQLITE_MUTEX_FAST) if (*TMemStore)(unsafe.Pointer(p)).FpMutex == uintptr(0) { _memdb_g.FnMemStore = _memdb_g.FnMemStore - 1 Xsqlite3_free(tls, p) Xsqlite3_mutex_leave(tls, pVfsMutex) return int32(SQLITE_NOMEM) } (*TMemStore)(unsafe.Pointer(p)).FnRef = int32(1) _memdbEnter(tls, p) } else { _memdbEnter(tls, p) (*TMemStore)(unsafe.Pointer(p)).FnRef = (*TMemStore)(unsafe.Pointer(p)).FnRef + 1 } Xsqlite3_mutex_leave(tls, pVfsMutex) } else { p = _sqlite3Malloc(tls, uint64(72)) if p == uintptr(0) { return int32(SQLITE_NOMEM) } libc.Xmemset(tls, p, 0, uint64(72)) (*TMemStore)(unsafe.Pointer(p)).FmFlags = libc.Uint32FromInt32(libc.Int32FromInt32(SQLITE_DESERIALIZE_RESIZEABLE) | libc.Int32FromInt32(SQLITE_DESERIALIZE_FREEONCLOSE)) (*TMemStore)(unsafe.Pointer(p)).FszMax = _sqlite3Config.FmxMemdbSize } (*TMemFile)(unsafe.Pointer(pFile)).FpStore = p if pOutFlags != uintptr(0) { **(**int32)(__ccgo_up(pOutFlags)) = flags | int32(SQLITE_OPEN_MEMORY) } (*Tsqlite3_file)(unsafe.Pointer(pFd)).FpMethods = uintptr(unsafe.Pointer(&_memdb_io_methods)) _memdbLeave(tls, p) return SQLITE_OK } // C documentation // // /* // ** Parameter zSuper is the name of a super-journal file. A single journal // ** file that referred to the super-journal file has just been rolled back. // ** This routine checks if it is possible to delete the super-journal file, // ** and does so if it is. // ** // ** Argument zSuper may point to Pager.pTmpSpace. So that buffer is not // ** available for use within this function. // ** // ** When a super-journal file is created, it is populated with the names // ** of all of its child journals, one after another, formatted as utf-8 // ** encoded text. The end of each child journal file is marked with a // ** nul-terminator byte (0x00). i.e. the entire contents of a super-journal // ** file for a transaction involving two databases might be: // ** // ** "/home/bill/a.db-journal\x00/home/bill/b.db-journal\x00" // ** // ** A super-journal file may only be deleted once all of its child // ** journals have been rolled back. // ** // ** This function reads the contents of the super-journal file into // ** memory and loops through each of the child journal names. For // ** each child journal, it checks if: // ** // ** * if the child journal exists, and if so // ** * if the child journal contains a reference to super-journal // ** file zSuper // ** // ** If a child journal can be found that matches both of the criteria // ** above, this function returns without doing anything. Otherwise, if // ** no such child journal can be found, file zSuper is deleted from // ** the file-system using sqlite3OsDelete(). // ** // ** If an IO error within this function, an error code is returned. This // ** function allocates memory by calling sqlite3Malloc(). If an allocation // ** fails, SQLITE_NOMEM is returned. Otherwise, if no IO or malloc errors // ** occur, SQLITE_OK is returned. // ** // ** TODO: This function allocates a single block of memory to load // ** the entire contents of the super-journal file. This could be // ** a couple of kilobytes or so - potentially larger than the page // ** size. // */ func _pager_delsuper(tls *libc.TLS, pPager uintptr, zSuper uintptr) (r int32) { bp := tls.Alloc(32) defer tls.Free(32) var bSeen, c, flags, flags1, rc int32 var pJournal, pSuper, pVfs, zFree, zJournal, zSuperJournal uintptr var v1, v2, v3 uint8 var _ /* exists at bp+8 */ int32 var _ /* nSuperJournal at bp+0 */ Ti64 var _ /* zSuperPtr at bp+16 */ uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _ = bSeen, c, flags, flags1, pJournal, pSuper, pVfs, rc, zFree, zJournal, zSuperJournal, v1, v2, v3 pVfs = (*TPager)(unsafe.Pointer(pPager)).FpVfs /* Malloc'd child-journal file descriptor */ zSuperJournal = uintptr(0) /* Pointer to one journal within MJ file */ zFree = uintptr(0) /* Free this buffer */ bSeen = 0 /* If super-journal contains pPager->zJournal */ /* Check if this looks like a real super-journal name. If it does not, ** return SQLITE_OK without attempting to delete it. This is to limit ** the degree to which a crafted journal file can be used to cause ** SQLite to delete arbitrary files. */ if _pagerIsSuperJrnlName(tls, zSuper) == 0 { return SQLITE_OK } /* Allocate space for both the pJournal and pSuper file descriptors. ** If successful, open the super-journal file for reading. */ pSuper = _sqlite3MallocZero(tls, libc.Uint64FromInt64(int64(2)*int64((*Tsqlite3_vfs)(unsafe.Pointer(pVfs)).FszOsFile))) if !(pSuper != 0) { rc = int32(SQLITE_NOMEM) pJournal = uintptr(0) } else { flags = libc.Int32FromInt32(SQLITE_OPEN_READONLY) | libc.Int32FromInt32(SQLITE_OPEN_SUPER_JOURNAL) rc = _sqlite3OsOpen(tls, pVfs, zSuper, pSuper, flags, uintptr(0)) pJournal = pSuper + uintptr((*Tsqlite3_vfs)(unsafe.Pointer(pVfs)).FszOsFile) } if rc != SQLITE_OK { goto delsuper_out } /* Load the entire super-journal file into space obtained from ** sqlite3_malloc() and pointed to by zSuperJournal. Also obtain ** sufficient space (in zSuperPtr) to hold the names of super-journal ** files extracted from regular rollback-journals. */ rc = _sqlite3OsFileSize(tls, pSuper, bp) if rc != SQLITE_OK { goto delsuper_out } zFree = _sqlite3Malloc(tls, libc.Uint64FromInt64(int64(4)+**(**Ti64)(__ccgo_up(bp))+int64(2))) if !(zFree != 0) { rc = int32(SQLITE_NOMEM) goto delsuper_out } else { } v3 = libc.Uint8FromInt32(0) **(**uint8)(__ccgo_up(zFree + 3)) = v3 v2 = v3 **(**uint8)(__ccgo_up(zFree + 2)) = v2 v1 = v2 **(**uint8)(__ccgo_up(zFree + 1)) = v1 **(**uint8)(__ccgo_up(zFree)) = v1 zSuperJournal = zFree + 4 rc = _sqlite3OsRead(tls, pSuper, zSuperJournal, int32(**(**Ti64)(__ccgo_up(bp))), 0) if rc != SQLITE_OK { goto delsuper_out } **(**uint8)(__ccgo_up(zSuperJournal + uintptr(**(**Ti64)(__ccgo_up(bp))))) = uint8(0) **(**uint8)(__ccgo_up(zSuperJournal + uintptr(**(**Ti64)(__ccgo_up(bp))+int64(1)))) = uint8(0) zJournal = zSuperJournal for int64(zJournal)-int64(zSuperJournal) < **(**Ti64)(__ccgo_up(bp)) { if libc.Xstrcmp(tls, zJournal, (*TPager)(unsafe.Pointer(pPager)).FzJournal) == 0 { bSeen = int32(1) } else { rc = _sqlite3OsAccess(tls, pVfs, zJournal, SQLITE_ACCESS_EXISTS, bp+8) if rc != SQLITE_OK { goto delsuper_out } if **(**int32)(__ccgo_up(bp + 8)) != 0 { **(**uintptr)(__ccgo_up(bp + 16)) = uintptr(0) flags1 = libc.Int32FromInt32(SQLITE_OPEN_READONLY) | libc.Int32FromInt32(SQLITE_OPEN_SUPER_JOURNAL) rc = _sqlite3OsOpen(tls, pVfs, zJournal, pJournal, flags1, uintptr(0)) if rc != SQLITE_OK { goto delsuper_out } rc = _readSuperJournal(tls, pJournal, uint64(1)+libc.Uint64FromInt32((*Tsqlite3_vfs)(unsafe.Pointer(pVfs)).FmxPathname), bp+16) _sqlite3OsClose(tls, pJournal) if rc != SQLITE_OK { goto delsuper_out } c = libc.BoolInt32(**(**uintptr)(__ccgo_up(bp + 16)) != uintptr(0) && libc.Xstrcmp(tls, **(**uintptr)(__ccgo_up(bp + 16)), zSuper) == 0) _freeSuperJournal(tls, **(**uintptr)(__ccgo_up(bp + 16))) if c != 0 { /* We have a match. Do not delete the super-journal file. */ goto delsuper_out } } } zJournal = zJournal + uintptr(_sqlite3Strlen30(tls, zJournal)+libc.Int32FromInt32(1)) } _sqlite3OsClose(tls, pSuper) if bSeen != 0 { /* Only delete the super-journal if bSeen is true - indicating that ** the super-journal contained a pointer to this database's journal ** file. */ rc = _sqlite3OsDelete(tls, pVfs, zSuper, 0) } goto delsuper_out delsuper_out: ; Xsqlite3_free(tls, zFree) if pSuper != 0 { _sqlite3OsClose(tls, pSuper) Xsqlite3_free(tls, pSuper) } return rc } // C documentation // // /* // ** Compare two UTF-8 strings for equality where the first string is // ** a GLOB or LIKE expression. Return values: // ** // ** SQLITE_MATCH: Match // ** SQLITE_NOMATCH: No match // ** SQLITE_NOWILDCARDMATCH: No match in spite of having * or % wildcards. // ** // ** Globbing rules: // ** // ** '*' Matches any sequence of zero or more characters. // ** // ** '?' Matches exactly one character. // ** // ** [...] Matches one character from the enclosed list of // ** characters. // ** // ** [^...] Matches one character not in the enclosed list. // ** // ** With the [...] and [^...] matching, a ']' character can be included // ** in the list by making it the first character after '[' or '^'. A // ** range of characters can be specified using '-'. Example: // ** "[a-z]" matches any single lower-case letter. To match a '-', make // ** it the last character in the list. // ** // ** Like matching rules: // ** // ** '%' Matches any sequence of zero or more characters // ** // *** '_' Matches any one character // ** // ** Ec Where E is the "esc" character and c is any other // ** character, including '%', '_', and esc, match exactly c. // ** // ** The comments within this routine usually assume glob matching. // ** // ** This routine is usually quick, but can be N**2 in the worst case. // */ func _patternCompare(tls *libc.TLS, _zPattern uintptr, _zString uintptr, pInfo uintptr, matchOther Tu32) (r int32) { bp := tls.Alloc(32) defer tls.Free(32) *(*uintptr)(unsafe.Pointer(bp)) = _zPattern *(*uintptr)(unsafe.Pointer(bp + 8)) = _zString var bMatch, bMatch1, bMatch2, invert, seen, v13 int32 var c, c2, matchAll, matchOne, prior_c, v1, v4 Tu32 var noCase Tu8 var zEscaped, v3, v6 uintptr var v2, v5 uint32 var _ /* zStop at bp+18 */ [3]uint8 _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = bMatch, bMatch1, bMatch2, c, c2, invert, matchAll, matchOne, noCase, prior_c, seen, zEscaped, v1, v13, v2, v3, v4, v5, v6 /* Next pattern and input string chars */ matchOne = uint32((*TcompareInfo)(unsafe.Pointer(pInfo)).FmatchOne) /* "?" or "_" */ matchAll = uint32((*TcompareInfo)(unsafe.Pointer(pInfo)).FmatchAll) /* "*" or "%" */ noCase = (*TcompareInfo)(unsafe.Pointer(pInfo)).FnoCase /* True if uppercase==lowercase */ zEscaped = uintptr(0) /* One past the last escaped input char */ for { if libc.Int32FromUint8(**(**Tu8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp))))) < int32(0x80) { v3 = **(**uintptr)(__ccgo_up(bp)) **(**uintptr)(__ccgo_up(bp)) = **(**uintptr)(__ccgo_up(bp)) + 1 v2 = uint32(**(**Tu8)(__ccgo_up(v3))) } else { v2 = _sqlite3Utf8Read(tls, bp) } v1 = v2 c = v1 if !(v1 != uint32(0)) { break } if c == matchAll { /* Match "*" */ /* Skip over multiple "*" characters in the pattern. If there ** are also "?" characters, skip those as well, but consume a ** single character of the input string for each "?" skipped */ for { if libc.Int32FromUint8(**(**Tu8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp))))) < int32(0x80) { v6 = **(**uintptr)(__ccgo_up(bp)) **(**uintptr)(__ccgo_up(bp)) = **(**uintptr)(__ccgo_up(bp)) + 1 v5 = uint32(**(**Tu8)(__ccgo_up(v6))) } else { v5 = _sqlite3Utf8Read(tls, bp) } v4 = v5 c = v4 if !(v4 == matchAll || c == matchOne && matchOne != uint32(0)) { break } if c == matchOne && _sqlite3Utf8Read(tls, bp+8) == uint32(0) { return int32(SQLITE_NOWILDCARDMATCH) } } if c == uint32(0) { return SQLITE_MATCH /* "*" at the end of the pattern matches */ } else { if c == matchOther { if libc.Int32FromUint8((*TcompareInfo)(unsafe.Pointer(pInfo)).FmatchSet) == 0 { c = _sqlite3Utf8Read(tls, bp) if c == uint32(0) { return int32(SQLITE_NOWILDCARDMATCH) } } else { /* "[...]" immediately follows the "*". We have to do a slow ** recursive search in this case, but it is an unusual case. */ /* '[' is a single-byte character */ for **(**Tu8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp + 8)))) != 0 { bMatch = _patternCompare(tls, **(**uintptr)(__ccgo_up(bp))+uintptr(-libc.Int32FromInt32(1)), **(**uintptr)(__ccgo_up(bp + 8)), pInfo, matchOther) if bMatch != int32(SQLITE_NOMATCH) { return bMatch } v3 = **(**uintptr)(__ccgo_up(bp + 8)) **(**uintptr)(__ccgo_up(bp + 8)) = **(**uintptr)(__ccgo_up(bp + 8)) + 1 if libc.Int32FromUint8(**(**Tu8)(__ccgo_up(v3))) >= int32(0xc0) { for libc.Int32FromUint8(**(**Tu8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp + 8)))))&int32(0xc0) == int32(0x80) { **(**uintptr)(__ccgo_up(bp + 8)) = **(**uintptr)(__ccgo_up(bp + 8)) + 1 } } } return int32(SQLITE_NOWILDCARDMATCH) } } } /* At this point variable c contains the first character of the ** pattern string past the "*". Search in the input string for the ** first matching character and recursively continue the match from ** that point. ** ** For a case-insensitive search, set variable cx to be the same as ** c but in the other case and search the input string for either ** c or cx. */ if c < uint32(0x80) { if noCase != 0 { (**(**[3]uint8)(__ccgo_up(bp + 18)))[0] = uint8(c & libc.Uint32FromInt32(^(libc.Int32FromUint8(_sqlite3CtypeMap[uint8(c)]) & libc.Int32FromInt32(0x20)))) (**(**[3]uint8)(__ccgo_up(bp + 18)))[int32(1)] = _sqlite3UpperToLower[uint8(c)] (**(**[3]uint8)(__ccgo_up(bp + 18)))[int32(2)] = uint8(0) } else { (**(**[3]uint8)(__ccgo_up(bp + 18)))[0] = uint8(c) (**(**[3]uint8)(__ccgo_up(bp + 18)))[int32(1)] = uint8(0) } for int32(1) != 0 { **(**uintptr)(__ccgo_up(bp + 8)) = **(**uintptr)(__ccgo_up(bp + 8)) + uintptr(libc.Xstrcspn(tls, **(**uintptr)(__ccgo_up(bp + 8)), bp+18)) if libc.Int32FromUint8(**(**Tu8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp + 8))))) == 0 { break } **(**uintptr)(__ccgo_up(bp + 8)) = **(**uintptr)(__ccgo_up(bp + 8)) + 1 bMatch1 = _patternCompare(tls, **(**uintptr)(__ccgo_up(bp)), **(**uintptr)(__ccgo_up(bp + 8)), pInfo, matchOther) if bMatch1 != int32(SQLITE_NOMATCH) { return bMatch1 } } } else { for { if libc.Int32FromUint8(**(**Tu8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp + 8))))) < int32(0x80) { v3 = **(**uintptr)(__ccgo_up(bp + 8)) **(**uintptr)(__ccgo_up(bp + 8)) = **(**uintptr)(__ccgo_up(bp + 8)) + 1 v2 = uint32(**(**Tu8)(__ccgo_up(v3))) } else { v2 = _sqlite3Utf8Read(tls, bp+8) } v1 = v2 c2 = v1 if !(v1 != uint32(0)) { break } if c2 != c { continue } bMatch2 = _patternCompare(tls, **(**uintptr)(__ccgo_up(bp)), **(**uintptr)(__ccgo_up(bp + 8)), pInfo, matchOther) if bMatch2 != int32(SQLITE_NOMATCH) { return bMatch2 } } } return int32(SQLITE_NOWILDCARDMATCH) } if c == matchOther { if libc.Int32FromUint8((*TcompareInfo)(unsafe.Pointer(pInfo)).FmatchSet) == 0 { c = _sqlite3Utf8Read(tls, bp) if c == uint32(0) { return int32(SQLITE_NOMATCH) } zEscaped = **(**uintptr)(__ccgo_up(bp)) } else { prior_c = uint32(0) seen = 0 invert = 0 c = _sqlite3Utf8Read(tls, bp+8) if c == uint32(0) { return int32(SQLITE_NOMATCH) } c2 = _sqlite3Utf8Read(tls, bp) if c2 == uint32('^') { invert = int32(1) c2 = _sqlite3Utf8Read(tls, bp) } if c2 == uint32(']') { if c == uint32(']') { seen = int32(1) } c2 = _sqlite3Utf8Read(tls, bp) } for c2 != 0 && c2 != uint32(']') { if c2 == uint32('-') && libc.Int32FromUint8(**(**Tu8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp))))) != int32(']') && libc.Int32FromUint8(**(**Tu8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp))))) != 0 && prior_c > uint32(0) { c2 = _sqlite3Utf8Read(tls, bp) if c >= prior_c && c <= c2 { seen = int32(1) } prior_c = uint32(0) } else { if c == c2 { seen = int32(1) } prior_c = c2 } c2 = _sqlite3Utf8Read(tls, bp) } if c2 == uint32(0) || seen^invert == 0 { return int32(SQLITE_NOMATCH) } continue } } if libc.Int32FromUint8(**(**Tu8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp + 8))))) < int32(0x80) { v3 = **(**uintptr)(__ccgo_up(bp + 8)) **(**uintptr)(__ccgo_up(bp + 8)) = **(**uintptr)(__ccgo_up(bp + 8)) + 1 v2 = uint32(**(**Tu8)(__ccgo_up(v3))) } else { v2 = _sqlite3Utf8Read(tls, bp+8) } c2 = v2 if c == c2 { continue } if noCase != 0 && libc.Int32FromUint8(_sqlite3UpperToLower[uint8(c)]) == libc.Int32FromUint8(_sqlite3UpperToLower[uint8(c2)]) && c < uint32(0x80) && c2 < uint32(0x80) { continue } if c == matchOne && **(**uintptr)(__ccgo_up(bp)) != zEscaped && c2 != uint32(0) { continue } return int32(SQLITE_NOMATCH) } if libc.Int32FromUint8(**(**Tu8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp + 8))))) == 0 { v13 = SQLITE_MATCH } else { v13 = int32(SQLITE_NOMATCH) } return v13 } // C documentation // // /* // ** This is a Walker expression callback. pExpr is a node from the WHERE // ** clause of a SELECT statement. This function examines pExpr to see if // ** any substitutions based on the contents of pWalker->u.pConst should // ** be made to pExpr or its immediate children. // ** // ** A substitution is made if: // ** // ** + pExpr is a column with an affinity other than BLOB that matches // ** one of the columns in pWalker->u.pConst, or // ** // ** + pExpr is a binary comparison operator (=, <=, >=, <, >) that // ** uses an affinity other than TEXT and one of its immediate // ** children is a column that matches one of the columns in // ** pWalker->u.pConst. // */ func _propagateConstantExprRewrite(tls *libc.TLS, pWalker uintptr, pExpr uintptr) (r int32) { var pConst uintptr _ = pConst pConst = *(*uintptr)(unsafe.Pointer(pWalker + 40)) if (*TWhereConst)(unsafe.Pointer(pConst)).FbHasAffBlob != 0 { if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop) >= int32(TK_EQ) && libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop) <= int32(TK_GE) || libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop) == int32(TK_IS) { _propagateConstantExprRewriteOne(tls, pConst, (*TExpr)(unsafe.Pointer(pExpr)).FpLeft, 0) if **(**Tu8)(__ccgo_up((*TWhereConst)(unsafe.Pointer(pConst)).FpOomFault)) != 0 { return int32(WRC_Prune) } if libc.Int32FromUint8(_sqlite3ExprAffinity(tls, (*TExpr)(unsafe.Pointer(pExpr)).FpLeft)) != int32(SQLITE_AFF_TEXT) { _propagateConstantExprRewriteOne(tls, pConst, (*TExpr)(unsafe.Pointer(pExpr)).FpRight, 0) } } } return _propagateConstantExprRewriteOne(tls, pConst, pExpr, (*TWhereConst)(unsafe.Pointer(pConst)).FbHasAffBlob) } // C documentation // // /* // ** This is a helper function for Walker callback propagateConstantExprRewrite(). // ** // ** Argument pExpr is a candidate expression to be replaced by a value. If // ** pExpr is equivalent to one of the columns named in pWalker->u.pConst, // ** then overwrite it with the corresponding value. Except, do not do so // ** if argument bIgnoreAffBlob is non-zero and the affinity of pExpr // ** is SQLITE_AFF_BLOB. // */ func _propagateConstantExprRewriteOne(tls *libc.TLS, pConst uintptr, pExpr uintptr, bIgnoreAffBlob int32) (r int32) { var i int32 var pColumn uintptr _, _ = i, pColumn if **(**Tu8)(__ccgo_up((*TWhereConst)(unsafe.Pointer(pConst)).FpOomFault)) != 0 { return int32(WRC_Prune) } if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop) != int32(TK_COLUMN) { return WRC_Continue } if (*TExpr)(unsafe.Pointer(pExpr)).Fflags&(libc.Uint32FromInt32(EP_FixedCol)|(*TWhereConst)(unsafe.Pointer(pConst)).FmExcludeOn) != uint32(0) { return WRC_Continue } i = 0 for { if !(i < (*TWhereConst)(unsafe.Pointer(pConst)).FnConst) { break } pColumn = **(**uintptr)(__ccgo_up((*TWhereConst)(unsafe.Pointer(pConst)).FapExpr + uintptr(i*int32(2))*8)) if pColumn == pExpr { goto _1 } if (*TExpr)(unsafe.Pointer(pColumn)).FiTable != (*TExpr)(unsafe.Pointer(pExpr)).FiTable { goto _1 } if int32((*TExpr)(unsafe.Pointer(pColumn)).FiColumn) != int32((*TExpr)(unsafe.Pointer(pExpr)).FiColumn) { goto _1 } if bIgnoreAffBlob != 0 && libc.Int32FromUint8(_sqlite3ExprAffinity(tls, pColumn)) <= int32(SQLITE_AFF_BLOB) { break } /* A match is found. Add the EP_FixedCol property */ (*TWhereConst)(unsafe.Pointer(pConst)).FnChng = (*TWhereConst)(unsafe.Pointer(pConst)).FnChng + 1 **(**Tu32)(__ccgo_up(pExpr + 4)) &= ^libc.Uint32FromInt32(libc.Int32FromInt32(EP_Leaf)) **(**Tu32)(__ccgo_up(pExpr + 4)) |= libc.Uint32FromInt32(libc.Int32FromInt32(EP_FixedCol)) (*TExpr)(unsafe.Pointer(pExpr)).FpLeft = _sqlite3ExprDup(tls, (*TParse)(unsafe.Pointer((*TWhereConst)(unsafe.Pointer(pConst)).FpParse)).Fdb, **(**uintptr)(__ccgo_up((*TWhereConst)(unsafe.Pointer(pConst)).FapExpr + uintptr(i*int32(2)+int32(1))*8)), 0) if (*Tsqlite3)(unsafe.Pointer((*TParse)(unsafe.Pointer((*TWhereConst)(unsafe.Pointer(pConst)).FpParse)).Fdb)).FmallocFailed != 0 { return int32(WRC_Prune) } break goto _1 _1: ; i = i + 1 } return int32(WRC_Prune) } // C documentation // // /* // ** Apply a delta. // ** // ** The output buffer should be big enough to hold the whole output // ** file and a NUL terminator at the end. The delta_output_size() // ** routine will determine this size for you. // ** // ** The delta string should be null-terminated. But the delta string // ** may contain embedded NUL characters (if the input and output are // ** binary files) so we also have to pass in the length of the delta in // ** the lenDelta parameter. // ** // ** This function returns the size of the output file in bytes (excluding // ** the final NUL terminator character). Except, if the delta string is // ** malformed or intended for use with a source file other than zSrc, // ** then this routine returns -1. // ** // ** Refer to the delta_create() documentation above for a description // ** of the delta file format. // */ func _rbuDeltaApply(tls *libc.TLS, zSrc uintptr, lenSrc int32, _zDelta uintptr, _lenDelta int32, zOut uintptr) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) *(*uintptr)(unsafe.Pointer(bp)) = _zDelta *(*int32)(unsafe.Pointer(bp + 8)) = _lenDelta var cnt, limit, ofst, total uint32 _, _, _, _ = cnt, limit, ofst, total total = uint32(0) limit = _rbuDeltaGetInt(tls, bp, bp+8) if **(**int32)(__ccgo_up(bp + 8)) <= 0 || libc.Int32FromUint8(**(**uint8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp))))) != int32('\n') { /* ERROR: size integer not terminated by "\n" */ return -int32(1) } **(**uintptr)(__ccgo_up(bp)) = **(**uintptr)(__ccgo_up(bp)) + 1 **(**int32)(__ccgo_up(bp + 8)) = **(**int32)(__ccgo_up(bp + 8)) - 1 for **(**uint8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp)))) != 0 && **(**int32)(__ccgo_up(bp + 8)) > 0 { cnt = _rbuDeltaGetInt(tls, bp, bp+8) if **(**int32)(__ccgo_up(bp + 8)) <= 0 { return -int32(1) } switch libc.Int32FromUint8(**(**uint8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp))))) { case int32('@'): **(**uintptr)(__ccgo_up(bp)) = **(**uintptr)(__ccgo_up(bp)) + 1 **(**int32)(__ccgo_up(bp + 8)) = **(**int32)(__ccgo_up(bp + 8)) - 1 ofst = _rbuDeltaGetInt(tls, bp, bp+8) if **(**int32)(__ccgo_up(bp + 8)) > 0 || libc.Int32FromUint8(**(**uint8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp))))) != int32(',') { /* ERROR: copy command not terminated by ',' */ return -int32(1) } **(**uintptr)(__ccgo_up(bp)) = **(**uintptr)(__ccgo_up(bp)) + 1 **(**int32)(__ccgo_up(bp + 8)) = **(**int32)(__ccgo_up(bp + 8)) - 1 total = total + cnt if total > limit { /* ERROR: copy exceeds output file size */ return -int32(1) } if uint64(ofst)+uint64(cnt) > libc.Uint64FromInt32(lenSrc) { /* ERROR: copy extends past end of input */ return -int32(1) } libc.Xmemcpy(tls, zOut, zSrc+uintptr(ofst), uint64(cnt)) zOut = zOut + uintptr(cnt) case int32(':'): **(**uintptr)(__ccgo_up(bp)) = **(**uintptr)(__ccgo_up(bp)) + 1 **(**int32)(__ccgo_up(bp + 8)) = **(**int32)(__ccgo_up(bp + 8)) - 1 total = total + cnt if total > limit { /* ERROR: insert command gives an output larger than predicted */ return -int32(1) } if libc.Int64FromUint32(cnt) > int64(**(**int32)(__ccgo_up(bp + 8))) { /* ERROR: insert count exceeds size of delta */ return -int32(1) } libc.Xmemcpy(tls, zOut, **(**uintptr)(__ccgo_up(bp)), uint64(cnt)) zOut = zOut + uintptr(cnt) **(**uintptr)(__ccgo_up(bp)) = **(**uintptr)(__ccgo_up(bp)) + uintptr(cnt) **(**int32)(__ccgo_up(bp + 8)) = libc.Int32FromUint32(uint32(**(**int32)(__ccgo_up(bp + 8))) - cnt) case int32(';'): **(**uintptr)(__ccgo_up(bp)) = **(**uintptr)(__ccgo_up(bp)) + 1 **(**int32)(__ccgo_up(bp + 8)) = **(**int32)(__ccgo_up(bp + 8)) - 1 **(**uint8)(__ccgo_up(zOut)) = uint8(0) if total != limit { /* ERROR: generated size does not match predicted size */ return -int32(1) } return libc.Int32FromUint32(total) default: /* ERROR: unknown delta operator */ return -int32(1) } } /* ERROR: unterminated delta */ return -int32(1) } func _rbuDeltaOutputSize(tls *libc.TLS, _zDelta uintptr, _lenDelta int32) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) *(*uintptr)(unsafe.Pointer(bp)) = _zDelta *(*int32)(unsafe.Pointer(bp + 8)) = _lenDelta var size int32 _ = size size = libc.Int32FromUint32(_rbuDeltaGetInt(tls, bp, bp+8)) if **(**int32)(__ccgo_up(bp + 8)) <= 0 || libc.Int32FromUint8(**(**uint8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp))))) != int32('\n') { /* ERROR: size integer not terminated by "\n" */ return -int32(1) } return size } /* ** End of code taken from fossil. *************************************************************************/ // C documentation // // /* // ** This function does the work for an sqlite3rbu_step() call. // ** // ** The object-iterator (p->objiter) currently points to a valid object, // ** and the input cursor (p->objiter.pSelect) currently points to a valid // ** input row. Perform whatever processing is required and return. // ** // ** If no error occurs, SQLITE_OK is returned. Otherwise, an error code // ** and message is left in the RBU handle and a copy of the error code // ** returned. // */ func _rbuStep(tls *libc.TLS, p uintptr) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var c uint8 var eType, i int32 var pIter, pVal uintptr var _ /* pUpdate at bp+8 */ uintptr var _ /* zMask at bp+0 */ uintptr _, _, _, _, _ = c, eType, i, pIter, pVal pIter = p + 88 **(**uintptr)(__ccgo_up(bp)) = uintptr(0) eType = _rbuStepType(tls, p, bp) if eType != 0 { if (*TRbuObjIter)(unsafe.Pointer(pIter)).FzIdx == uintptr(0) && (eType == int32(RBU_IDX_DELETE) || eType == int32(RBU_IDX_INSERT)) { _rbuBadControlError(tls, p) } else { if eType == int32(RBU_REPLACE) { if (*TRbuObjIter)(unsafe.Pointer(pIter)).FzIdx == uintptr(0) { **(**Ti64)(__ccgo_up(p + 312)) += int64((*Tsqlite3rbu)(unsafe.Pointer(p)).Fobjiter.FnIndex) _rbuStepOneOp(tls, p, int32(RBU_DELETE)) } if (*Tsqlite3rbu)(unsafe.Pointer(p)).Frc == SQLITE_OK { _rbuStepOneOp(tls, p, int32(RBU_INSERT)) } } else { if eType != int32(RBU_UPDATE) { _rbuStepOneOp(tls, p, eType) } else { **(**uintptr)(__ccgo_up(bp + 8)) = uintptr(0) **(**Ti64)(__ccgo_up(p + 312)) -= int64((*Tsqlite3rbu)(unsafe.Pointer(p)).Fobjiter.FnIndex) _rbuGetUpdateStmt(tls, p, pIter, **(**uintptr)(__ccgo_up(bp)), bp+8) if **(**uintptr)(__ccgo_up(bp + 8)) != 0 { i = 0 for { if !((*Tsqlite3rbu)(unsafe.Pointer(p)).Frc == SQLITE_OK && i < (*TRbuObjIter)(unsafe.Pointer(pIter)).FnCol) { break } c = **(**uint8)(__ccgo_up(**(**uintptr)(__ccgo_up(bp)) + uintptr(**(**int32)(__ccgo_up((*TRbuObjIter)(unsafe.Pointer(pIter)).FaiSrcOrder + uintptr(i)*4))))) pVal = Xsqlite3_column_value(tls, (*TRbuObjIter)(unsafe.Pointer(pIter)).FpSelect, i) if **(**Tu8)(__ccgo_up((*TRbuObjIter)(unsafe.Pointer(pIter)).FabTblPk + uintptr(i))) != 0 || libc.Int32FromUint8(c) != int32('.') { (*Tsqlite3rbu)(unsafe.Pointer(p)).Frc = Xsqlite3_bind_value(tls, **(**uintptr)(__ccgo_up(bp + 8)), i+int32(1), pVal) } goto _1 _1: ; i = i + 1 } if (*Tsqlite3rbu)(unsafe.Pointer(p)).Frc == SQLITE_OK && ((*TRbuObjIter)(unsafe.Pointer(pIter)).FeType == int32(RBU_PK_VTAB) || (*TRbuObjIter)(unsafe.Pointer(pIter)).FeType == int32(RBU_PK_NONE)) { /* Bind the rbu_rowid value to column _rowid_ */ pVal = Xsqlite3_column_value(tls, (*TRbuObjIter)(unsafe.Pointer(pIter)).FpSelect, (*TRbuObjIter)(unsafe.Pointer(pIter)).FnCol+int32(1)) (*Tsqlite3rbu)(unsafe.Pointer(p)).Frc = Xsqlite3_bind_value(tls, **(**uintptr)(__ccgo_up(bp + 8)), (*TRbuObjIter)(unsafe.Pointer(pIter)).FnCol+int32(1), pVal) } if (*Tsqlite3rbu)(unsafe.Pointer(p)).Frc == SQLITE_OK { Xsqlite3_step(tls, **(**uintptr)(__ccgo_up(bp + 8))) (*Tsqlite3rbu)(unsafe.Pointer(p)).Frc = _resetAndCollectError(tls, **(**uintptr)(__ccgo_up(bp + 8)), p+64) } } } } } } return (*Tsqlite3rbu)(unsafe.Pointer(p)).Frc } // C documentation // // /* // ** Parameter pJrnl is a file-handle open on a journal file. This function // ** attempts to read a super-journal file name from the end of the journal // ** file. If successful, it sets output parameter (*pzSuper) to point to a // ** buffer containing the super-journal name as a nul-terminated string. // ** The caller is responsible for freeing the buffer using freeSuperJournal(). // ** // ** Refer to comments above writeSuperJournal() for the format used to store // ** a super-journal file name at the end of a journal file. // ** // ** Parameter nSuper is passed the maximum allowable size of the super journal // ** name in bytes. If the super-journal name in the journal is longer than // ** nSuper bytes (including a nul-terminator), then this is handled as if no // ** super-journal name were present in the journal. // ** // ** If there is no super-journal name at the end of pJrnl, (*pzSuper) is // ** set to 0 and SQLITE_OK is returned. Or, if an error occurs while reading // ** the super-journal name, an SQLite error code is returned and (*pzSuper) // ** is set to 0. // */ func _readSuperJournal(tls *libc.TLS, pJrnl uintptr, nSuper Tu64, pzSuper uintptr) (r int32) { bp := tls.Alloc(32) defer tls.Free(32) var rc, v1, v2, v4, v6 int32 var u Tu32 var zOut uintptr var v3, v5, v7 bool var _ /* aMagic at bp+24 */ [8]uint8 var _ /* cksum at bp+16 */ Tu32 var _ /* len at bp+0 */ Tu32 var _ /* szJ at bp+8 */ Ti64 _, _, _, _, _, _, _, _, _, _ = rc, u, zOut, v1, v2, v3, v4, v5, v6, v7 /* A buffer to hold the magic header */ zOut = uintptr(0) **(**uintptr)(__ccgo_up(pzSuper)) = uintptr(0) v1 = _sqlite3OsFileSize(tls, pJrnl, bp+8) rc = v1 if v3 = SQLITE_OK != v1 || **(**Ti64)(__ccgo_up(bp + 8)) < int64(16); !v3 { v2 = _read32bits(tls, pJrnl, **(**Ti64)(__ccgo_up(bp + 8))-int64(16), bp) rc = v2 } if v5 = v3 || SQLITE_OK != v2 || uint64(**(**Tu32)(__ccgo_up(bp))) >= nSuper || libc.Int64FromUint32(**(**Tu32)(__ccgo_up(bp))) > **(**Ti64)(__ccgo_up(bp + 8))-int64(16) || **(**Tu32)(__ccgo_up(bp)) == uint32(0); !v5 { v4 = _read32bits(tls, pJrnl, **(**Ti64)(__ccgo_up(bp + 8))-int64(12), bp+16) rc = v4 } if v7 = v5 || SQLITE_OK != v4; !v7 { v6 = _sqlite3OsRead(tls, pJrnl, bp+24, int32(8), **(**Ti64)(__ccgo_up(bp + 8))-int64(8)) rc = v6 } if v7 || SQLITE_OK != v6 || libc.Xmemcmp(tls, bp+24, uintptr(unsafe.Pointer(&_aJournalMagic)), uint64(8)) != 0 { return rc } zOut = _sqlite3MallocZero(tls, uint64(uint32(4)+**(**Tu32)(__ccgo_up(bp))+uint32(2))) if !(zOut != 0) { rc = int32(SQLITE_NOMEM) } else { zOut = zOut + 4 v1 = _sqlite3OsRead(tls, pJrnl, zOut, libc.Int32FromUint32(**(**Tu32)(__ccgo_up(bp))), **(**Ti64)(__ccgo_up(bp + 8))-int64(16)-libc.Int64FromUint32(**(**Tu32)(__ccgo_up(bp)))) rc = v1 if SQLITE_OK == v1 { /* Unsigned loop counter */ /* See if the checksum matches the super-journal name */ u = uint32(0) for { if !(u < **(**Tu32)(__ccgo_up(bp))) { break } **(**Tu32)(__ccgo_up(bp + 16)) = **(**Tu32)(__ccgo_up(bp + 16)) - uint32(**(**uint8)(__ccgo_up(zOut + uintptr(u)))) goto _9 _9: ; u = u + 1 } } if rc != SQLITE_OK || **(**Tu32)(__ccgo_up(bp + 16)) != 0 { /* If the checksum doesn't add up, then one or more of the disk sectors ** containing the super-journal filename is corrupted. This means ** definitely roll back, so just return SQLITE_OK and report a (nul) ** super-journal filename. */ _freeSuperJournal(tls, zOut) zOut = uintptr(0) } } **(**uintptr)(__ccgo_up(pzSuper)) = zOut return rc } // C documentation // // /* // ** This is the routine that actually formats the sqlite3_log() message. // ** We house it in a separate routine from sqlite3_log() to avoid using // ** stack space on small-stack systems when logging is disabled. // ** // ** sqlite3_log() must render into a static buffer. It cannot dynamically // ** allocate memory because it might be called while the memory allocator // ** mutex is held. // ** // ** sqlite3_str_vappendf() might ask for *temporary* memory allocations for // ** certain format characters (%q) or for very large precisions or widths. // ** Care must be taken that any sqlite3_log() calls that occur while the // ** memory mutex is held do not use these mechanisms. // */ func _renderLogMsg(tls *libc.TLS, iErrCode int32, zFormat uintptr, ap Tva_list) { bp := tls.Alloc(736) defer tls.Free(736) var _ /* acc at bp+0 */ TStrAccum var _ /* zMsg at bp+32 */ [700]uint8 /* Complete log message */ _sqlite3StrAccumInit(tls, bp, uintptr(0), bp+32, int32(700), 0) Xsqlite3_str_vappendf(tls, bp, zFormat, ap) (*(*func(*libc.TLS, uintptr, int32, uintptr))(unsafe.Pointer(&struct{ uintptr }{_sqlite3Config.FxLog})))(tls, _sqlite3Config.FpLogArg, iErrCode, _sqlite3StrAccumFinish(tls, bp)) } // C documentation // // /* // ** pOrderBy is an ORDER BY or GROUP BY clause in SELECT statement pSelect. // ** The Name context of the SELECT statement is pNC. zType is either // ** "ORDER" or "GROUP" depending on which type of clause pOrderBy is. // ** // ** This routine resolves each term of the clause into an expression. // ** If the order-by term is an integer I between 1 and N (where N is the // ** number of columns in the result set of the SELECT) then the expression // ** in the resolution is a copy of the I-th result-set expression. If // ** the order-by term is an identifier that corresponds to the AS-name of // ** a result-set expression, then the term resolves to a copy of the // ** result-set expression. Otherwise, the expression is resolved in // ** the usual way - using sqlite3ResolveExprNames(). // ** // ** This routine returns the number of errors. If errors occur, then // ** an appropriate error message might be left in pParse. (OOM errors // ** excepted.) // */ func _resolveOrderGroupBy(tls *libc.TLS, pNC uintptr, pSelect uintptr, pOrderBy uintptr, zType uintptr) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var i, j, nResult int32 var pE, pE2, pItem, pParse uintptr var _ /* iCol at bp+0 */ int32 _, _, _, _, _, _, _ = i, j, nResult, pE, pE2, pItem, pParse /* Number of terms in the result set */ nResult = (*TExprList)(unsafe.Pointer((*TSelect)(unsafe.Pointer(pSelect)).FpEList)).FnExpr pParse = (*TNameContext)(unsafe.Pointer(pNC)).FpParse i = 0 pItem = pOrderBy + 8 for { if !(i < (*TExprList)(unsafe.Pointer(pOrderBy)).FnExpr) { break } pE = (*TExprList_item)(unsafe.Pointer(pItem)).FpExpr pE2 = _sqlite3ExprSkipCollateAndLikely(tls, pE) if pE2 == uintptr(0) { goto _1 } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zType))) != int32('G') { **(**int32)(__ccgo_up(bp)) = _resolveAsName(tls, pParse, (*TSelect)(unsafe.Pointer(pSelect)).FpEList, pE2) if **(**int32)(__ccgo_up(bp)) > 0 { /* If an AS-name match is found, mark this ORDER BY column as being ** a copy of the iCol-th result-set column. The subsequent call to ** sqlite3ResolveOrderGroupBy() will convert the expression to a ** copy of the iCol-th result-set expression. */ (*(*struct { FiOrderByCol Tu16 FiAlias Tu16 })(unsafe.Pointer(pItem + 24))).FiOrderByCol = libc.Uint16FromInt32(**(**int32)(__ccgo_up(bp))) goto _1 } } if _sqlite3ExprIsInteger(tls, pE2, bp, uintptr(0)) != 0 { /* The ORDER BY term is an integer constant. Again, set the column ** number so that sqlite3ResolveOrderGroupBy() will convert the ** order-by term to a copy of the result-set expression */ if **(**int32)(__ccgo_up(bp)) < int32(1) || **(**int32)(__ccgo_up(bp)) > int32(0xffff) { _resolveOutOfRangeError(tls, pParse, zType, i+int32(1), nResult, pE2) return int32(1) } (*(*struct { FiOrderByCol Tu16 FiAlias Tu16 })(unsafe.Pointer(pItem + 24))).FiOrderByCol = libc.Uint16FromInt32(**(**int32)(__ccgo_up(bp))) goto _1 } /* Otherwise, treat the ORDER BY term as an ordinary expression */ (*(*struct { FiOrderByCol Tu16 FiAlias Tu16 })(unsafe.Pointer(pItem + 24))).FiOrderByCol = uint16(0) if _sqlite3ResolveExprNames(tls, pNC, pE) != 0 { return int32(1) } j = 0 for { if !(j < (*TExprList)(unsafe.Pointer((*TSelect)(unsafe.Pointer(pSelect)).FpEList)).FnExpr) { break } if _sqlite3ExprCompare(tls, uintptr(0), pE, (*(*TExprList_item)(unsafe.Pointer((*TSelect)(unsafe.Pointer(pSelect)).FpEList + 8 + uintptr(j)*32))).FpExpr, -int32(1)) == 0 { /* Since this expression is being changed into a reference ** to an identical expression in the result set, remove all Window ** objects belonging to the expression from the Select.pWin list. */ _windowRemoveExprFromSelect(tls, pSelect, pE) (*(*struct { FiOrderByCol Tu16 FiAlias Tu16 })(unsafe.Pointer(pItem + 24))).FiOrderByCol = libc.Uint16FromInt32(j + int32(1)) } goto _2 _2: ; j = j + 1 } goto _1 _1: ; i = i + 1 pItem += 32 } return _sqlite3ResolveOrderGroupBy(tls, pParse, pSelect, pOrderBy, zType) } // C documentation // // /* // ** Rtree virtual table module xFilter method. // */ func _rtreeFilter(tls *libc.TLS, pVtabCursor uintptr, idxNum int32, idxStr uintptr, argc int32, argv uintptr) (r int32) { bp := tls.Alloc(32) defer tls.Free(32) var eType, eType1, ii, rc int32 var iRowid Ti64 var iVal Tsqlite3_int64 var p, p1, pCsr, pNew, pRtree uintptr var _ /* iCell at bp+8 */ int32 var _ /* iNode at bp+24 */ Ti64 var _ /* pLeaf at bp+16 */ uintptr var _ /* pRoot at bp+0 */ uintptr _, _, _, _, _, _, _, _, _, _, _ = eType, eType1, iRowid, iVal, ii, p, p1, pCsr, pNew, pRtree, rc pRtree = (*Tsqlite3_vtab_cursor)(unsafe.Pointer(pVtabCursor)).FpVtab pCsr = pVtabCursor **(**uintptr)(__ccgo_up(bp)) = uintptr(0) rc = SQLITE_OK **(**int32)(__ccgo_up(bp + 8)) = 0 _rtreeReference(tls, pRtree) /* Reset the cursor to the same state as rtreeOpen() leaves it in. */ _resetCursor(tls, pCsr) (*TRtreeCursor)(unsafe.Pointer(pCsr)).FiStrategy = idxNum if idxNum == int32(1) { /* Search point for the leaf */ iRowid = Xsqlite3_value_int64(tls, **(**uintptr)(__ccgo_up(argv))) **(**Ti64)(__ccgo_up(bp + 24)) = 0 eType = Xsqlite3_value_numeric_type(tls, **(**uintptr)(__ccgo_up(argv))) if eType == int32(SQLITE_INTEGER) || eType == int32(SQLITE_FLOAT) && 0 == _sqlite3IntFloatCompare(tls, iRowid, Xsqlite3_value_double(tls, **(**uintptr)(__ccgo_up(argv)))) { rc = _findLeafNode(tls, pRtree, iRowid, bp+16, bp+24) } else { rc = SQLITE_OK **(**uintptr)(__ccgo_up(bp + 16)) = uintptr(0) } if rc == SQLITE_OK && **(**uintptr)(__ccgo_up(bp + 16)) != uintptr(0) { p = _rtreeSearchPointNew(tls, pCsr, float64(0), uint8(0)) /* Always returns pCsr->sPoint */ **(**uintptr)(__ccgo_up(pCsr + 88)) = **(**uintptr)(__ccgo_up(bp + 16)) (*TRtreeSearchPoint)(unsafe.Pointer(p)).Fid = **(**Ti64)(__ccgo_up(bp + 24)) (*TRtreeSearchPoint)(unsafe.Pointer(p)).FeWithin = uint8(PARTLY_WITHIN) rc = _nodeRowidIndex(tls, pRtree, **(**uintptr)(__ccgo_up(bp + 16)), iRowid, bp+8) (*TRtreeSearchPoint)(unsafe.Pointer(p)).FiCell = libc.Uint8FromInt32(**(**int32)(__ccgo_up(bp + 8))) } else { (*TRtreeCursor)(unsafe.Pointer(pCsr)).FatEOF = uint8(1) } } else { /* Normal case - r-tree scan. Set up the RtreeCursor.aConstraint array ** with the configured constraints. */ rc = _nodeAcquire(tls, pRtree, int64(1), uintptr(0), bp) if rc == SQLITE_OK && argc > 0 { (*TRtreeCursor)(unsafe.Pointer(pCsr)).FaConstraint = Xsqlite3_malloc64(tls, uint64(uint64(24)*libc.Uint64FromInt32(argc))) (*TRtreeCursor)(unsafe.Pointer(pCsr)).FnConstraint = argc if !((*TRtreeCursor)(unsafe.Pointer(pCsr)).FaConstraint != 0) { rc = int32(SQLITE_NOMEM) } else { libc.Xmemset(tls, (*TRtreeCursor)(unsafe.Pointer(pCsr)).FaConstraint, 0, uint64(24)*libc.Uint64FromInt32(argc)) libc.Xmemset(tls, pCsr+128, 0, uint64(4)*libc.Uint64FromInt32((*TRtree)(unsafe.Pointer(pRtree)).FiDepth+libc.Int32FromInt32(1))) ii = 0 for { if !(ii < argc) { break } p1 = (*TRtreeCursor)(unsafe.Pointer(pCsr)).FaConstraint + uintptr(ii)*24 eType1 = Xsqlite3_value_numeric_type(tls, **(**uintptr)(__ccgo_up(argv + uintptr(ii)*8))) (*TRtreeConstraint)(unsafe.Pointer(p1)).Fop = libc.Int32FromUint8(**(**uint8)(__ccgo_up(idxStr + uintptr(ii*int32(2))))) (*TRtreeConstraint)(unsafe.Pointer(p1)).FiCoord = libc.Int32FromUint8(**(**uint8)(__ccgo_up(idxStr + uintptr(ii*int32(2)+int32(1))))) - int32('0') if (*TRtreeConstraint)(unsafe.Pointer(p1)).Fop >= int32(RTREE_MATCH) { /* A MATCH operator. The right-hand-side must be a blob that ** can be cast into an RtreeMatchArg object. One created using ** an sqlite3_rtree_geometry_callback() SQL user function. */ rc = _deserializeGeometry(tls, **(**uintptr)(__ccgo_up(argv + uintptr(ii)*8)), p1) if rc != SQLITE_OK { break } (*Tsqlite3_rtree_query_info)(unsafe.Pointer((*TRtreeConstraint)(unsafe.Pointer(p1)).FpInfo)).FnCoord = libc.Int32FromUint8((*TRtree)(unsafe.Pointer(pRtree)).FnDim2) (*Tsqlite3_rtree_query_info)(unsafe.Pointer((*TRtreeConstraint)(unsafe.Pointer(p1)).FpInfo)).FanQueue = pCsr + 128 (*Tsqlite3_rtree_query_info)(unsafe.Pointer((*TRtreeConstraint)(unsafe.Pointer(p1)).FpInfo)).FmxLevel = (*TRtree)(unsafe.Pointer(pRtree)).FiDepth + int32(1) } else { if eType1 == int32(SQLITE_INTEGER) { iVal = Xsqlite3_value_int64(tls, **(**uintptr)(__ccgo_up(argv + uintptr(ii)*8))) *(*TRtreeDValue)(unsafe.Pointer(p1 + 8)) = float64(iVal) if iVal >= libc.Int64FromInt32(1)<bPoint was FALSE */ return int32(SQLITE_NOMEM) } (*TRtreeSearchPoint)(unsafe.Pointer(pNew)).Fid = int64(1) (*TRtreeSearchPoint)(unsafe.Pointer(pNew)).FiCell = uint8(0) (*TRtreeSearchPoint)(unsafe.Pointer(pNew)).FeWithin = uint8(PARTLY_WITHIN) **(**uintptr)(__ccgo_up(pCsr + 88)) = **(**uintptr)(__ccgo_up(bp)) **(**uintptr)(__ccgo_up(bp)) = uintptr(0) rc = _rtreeStepToLeaf(tls, pCsr) } } _nodeRelease(tls, pRtree, **(**uintptr)(__ccgo_up(bp))) _rtreeRelease(tls, pRtree) return rc } // C documentation // // /* // ** This is a Walker.xSelectCallback callback for the sqlite3SelectTypeInfo() // ** interface. // ** // ** For each FROM-clause subquery, add Column.zType, Column.zColl, and // ** Column.affinity information to the Table structure that represents // ** the result set of that subquery. // ** // ** The Table structure that represents the result set was constructed // ** by selectExpander() but the type and collation and affinity information // ** was omitted at that point because identifiers had not yet been resolved. // ** This routine is called after identifier resolution. // */ func _selectAddSubqueryTypeInfo(tls *libc.TLS, pWalker uintptr, p uintptr) { var i int32 var pFrom, pParse, pSel, pTab, pTabList uintptr _, _, _, _, _, _ = i, pFrom, pParse, pSel, pTab, pTabList if (*TSelect)(unsafe.Pointer(p)).FselFlags&uint32(SF_HasTypeInfo) != 0 { return } **(**Tu32)(__ccgo_up(p + 4)) |= uint32(SF_HasTypeInfo) pParse = (*TWalker)(unsafe.Pointer(pWalker)).FpParse pTabList = (*TSelect)(unsafe.Pointer(p)).FpSrc i = 0 pFrom = pTabList + 8 for { if !(i < (*TSrcList)(unsafe.Pointer(pTabList)).FnSrc) { break } pTab = (*TSrcItem)(unsafe.Pointer(pFrom)).FpSTab if (*TTable)(unsafe.Pointer(pTab)).FtabFlags&uint32(TF_Ephemeral) != uint32(0) && int32(*(*uint32)(unsafe.Pointer(pFrom + 24 + 4))&0x4>>2) != 0 { /* A sub-query in the FROM clause of a SELECT */ pSel = (*TSubquery)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pFrom + 72)))).FpSelect _sqlite3SubqueryColumnTypes(tls, pParse, pTab, pSel, uint8(SQLITE_AFF_NONE)) } goto _1 _1: ; i = i + 1 pFrom += 80 } } // C documentation // // /* // ** This function is a no-op if *pRc is other than SQLITE_OK when it is // ** called. Otherwise, append the string zStr enclosed in quotes (") and // ** with any embedded quote characters escaped to the buffer. No // ** nul-terminator byte is written. // ** // ** If an OOM condition is encountered, set *pRc to SQLITE_NOMEM before // ** returning. // */ func _sessionAppendIdent(tls *libc.TLS, p uintptr, zStr uintptr, pRc uintptr) { var nStr int32 var zIn, zOut, v1, v2 uintptr _, _, _, _, _ = nStr, zIn, zOut, v1, v2 nStr = _sqlite3Strlen30(tls, zStr)*int32(2) + int32(2) + int32(2) if 0 == _sessionBufferGrow(tls, p, int64(nStr), pRc) { zOut = (*TSessionBuffer)(unsafe.Pointer(p)).FaBuf + uintptr((*TSessionBuffer)(unsafe.Pointer(p)).FnBuf) zIn = zStr v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = uint8('"') if zIn != uintptr(0) { for **(**uint8)(__ccgo_up(zIn)) != 0 { if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zIn))) == int32('"') { v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = uint8('"') } v1 = zOut zOut = zOut + 1 v2 = zIn zIn = zIn + 1 **(**uint8)(__ccgo_up(v1)) = **(**uint8)(__ccgo_up(v2)) } } v1 = zOut zOut = zOut + 1 **(**uint8)(__ccgo_up(v1)) = uint8('"') (*TSessionBuffer)(unsafe.Pointer(p)).FnBuf = int32(int64(zOut) - int64((*TSessionBuffer)(unsafe.Pointer(p)).FaBuf)) **(**Tu8)(__ccgo_up((*TSessionBuffer)(unsafe.Pointer(p)).FaBuf + uintptr((*TSessionBuffer)(unsafe.Pointer(p)).FnBuf))) = uint8(0x00) } } // C documentation // // /* // ** Add a new CHECK constraint to the table currently under construction. // */ func _sqlite3AddCheckConstraint(tls *libc.TLS, pParse uintptr, pCheckExpr uintptr, zStart uintptr, zEnd uintptr) { bp := tls.Alloc(16) defer tls.Free(16) var db, pTab uintptr var _ /* t at bp+0 */ TToken _, _ = db, pTab pTab = (*TParse)(unsafe.Pointer(pParse)).FpNewTable db = (*TParse)(unsafe.Pointer(pParse)).Fdb if pTab != 0 && !(libc.Int32FromUint8((*TParse)(unsafe.Pointer(pParse)).FeParseMode) == libc.Int32FromInt32(PARSE_MODE_DECLARE_VTAB)) && !(_sqlite3BtreeIsReadonly(tls, (**(**TDb)(__ccgo_up((*Tsqlite3)(unsafe.Pointer(db)).FaDb + uintptr((*Tsqlite3)(unsafe.Pointer(db)).Finit1.FiDb)*32))).FpBt) != 0) { (*TTable)(unsafe.Pointer(pTab)).FpCheck = _sqlite3ExprListAppend(tls, pParse, (*TTable)(unsafe.Pointer(pTab)).FpCheck, pCheckExpr) if (*(*struct { FaddrCrTab int32 FregRowid int32 FregRoot int32 FconstraintName TToken })(unsafe.Pointer(pParse + 256))).FconstraintName.Fn != 0 { _sqlite3ExprListSetName(tls, pParse, (*TTable)(unsafe.Pointer(pTab)).FpCheck, pParse+256+16, int32(1)) } else { zStart = zStart + 1 for { if !(libc.Int32FromUint8(_sqlite3CtypeMap[uint8(**(**uint8)(__ccgo_up(zStart)))])&int32(0x01) != 0) { break } goto _1 _1: ; zStart = zStart + 1 } for libc.Int32FromUint8(_sqlite3CtypeMap[uint8(**(**uint8)(__ccgo_up(zEnd + uintptr(-libc.Int32FromInt32(1)))))])&int32(0x01) != 0 { zEnd = zEnd - 1 } (**(**TToken)(__ccgo_up(bp))).Fz = zStart (**(**TToken)(__ccgo_up(bp))).Fn = libc.Uint32FromInt32(int32(int64(zEnd) - int64((**(**TToken)(__ccgo_up(bp))).Fz))) _sqlite3ExprListSetName(tls, pParse, (*TTable)(unsafe.Pointer(pTab)).FpCheck, bp, int32(1)) } } else { _sqlite3ExprDelete(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, pCheckExpr) } } // C documentation // // /* // ** The most recently coded instruction was an OP_Column to retrieve the // ** i-th column of table pTab. This routine sets the P4 parameter of the // ** OP_Column to the default value, if any. // ** // ** The default value of a column is specified by a DEFAULT clause in the // ** column definition. This was either supplied by the user when the table // ** was created, or added later to the table definition by an ALTER TABLE // ** command. If the latter, then the row-records in the table btree on disk // ** may not contain a value for the column and the default value, taken // ** from the P4 parameter of the OP_Column instruction, is returned instead. // ** If the former, then all row-records are guaranteed to include a value // ** for the column and the P4 value is not required. // ** // ** Column definitions created by an ALTER TABLE command may only have // ** literal default values specified: a number, null or a string. (If a more // ** complicated default expression value was provided, it is evaluated // ** when the ALTER TABLE is executed and one of the literal values written // ** into the sqlite_schema table.) // ** // ** Therefore, the P4 parameter is only required if the default value for // ** the column is a literal number, string or null. The sqlite3ValueFromExpr() // ** function is capable of transforming these types of expressions into // ** sqlite3_value objects. // ** // ** If column as REAL affinity and the table is an ordinary b-tree table // ** (not a virtual table) then the value might have been stored as an // ** integer. In that case, add an OP_RealAffinity opcode to make sure // ** it has been converted into REAL. // */ func _sqlite3ColumnDefault(tls *libc.TLS, v uintptr, pTab uintptr, i int32, iReg int32) { bp := tls.Alloc(16) defer tls.Free(16) var enc Tu8 var pCol uintptr var _ /* pValue at bp+0 */ uintptr _, _ = enc, pCol pCol = (*TTable)(unsafe.Pointer(pTab)).FaCol + uintptr(i)*16 if (*TColumn)(unsafe.Pointer(pCol)).FiDflt != 0 { **(**uintptr)(__ccgo_up(bp)) = uintptr(0) enc = (*Tsqlite3)(unsafe.Pointer(_sqlite3VdbeDb(tls, v))).Fenc _sqlite3ValueFromExpr(tls, _sqlite3VdbeDb(tls, v), _sqlite3ColumnExpr(tls, pTab, pCol), enc, (*TColumn)(unsafe.Pointer(pCol)).Faffinity, bp) if **(**uintptr)(__ccgo_up(bp)) != 0 { _sqlite3VdbeAppendP4(tls, v, **(**uintptr)(__ccgo_up(bp)), -int32(11)) } } if libc.Int32FromUint8((*TColumn)(unsafe.Pointer(pCol)).Faffinity) == int32(SQLITE_AFF_REAL) && !(libc.Int32FromUint8((*TTable)(unsafe.Pointer(pTab)).FeTabType) == libc.Int32FromInt32(TABTYP_VTAB)) { _sqlite3VdbeAddOp1(tls, v, int32(OP_RealAffinity), iReg) } } // C documentation // // /* // ** The text between zStart and zEnd represents a phrase within a larger // ** SQL statement. Make a copy of this phrase in space obtained form // ** sqlite3DbMalloc(). Omit leading and trailing whitespace. // */ func _sqlite3DbSpanDup(tls *libc.TLS, db uintptr, zStart uintptr, zEnd uintptr) (r uintptr) { var n int32 _ = n for libc.Int32FromUint8(_sqlite3CtypeMap[uint8(**(**uint8)(__ccgo_up(zStart)))])&int32(0x01) != 0 { zStart = zStart + 1 } n = int32(int64(zEnd) - int64(zStart)) for libc.Int32FromUint8(_sqlite3CtypeMap[uint8(**(**uint8)(__ccgo_up(zStart + uintptr(n-int32(1)))))])&int32(0x01) != 0 { n = n - 1 } return _sqlite3DbStrNDup(tls, db, zStart, libc.Uint64FromInt32(n)) } func _sqlite3DbStrNDup(tls *libc.TLS, db uintptr, z uintptr, n Tu64) (r uintptr) { var zNew, v1 uintptr _, _ = zNew, v1 if z != 0 { v1 = _sqlite3DbMallocRawNN(tls, db, n+uint64(1)) } else { v1 = uintptr(0) } zNew = v1 if zNew != 0 { libc.Xmemcpy(tls, zNew, z, n) **(**uint8)(__ccgo_up(zNew + uintptr(n))) = uint8(0) } return zNew } // C documentation // // /* // ** If the input token p is quoted, try to adjust the token to remove // ** the quotes. This is not always possible: // ** // ** "abc" -> abc // ** "ab""cd" -> (not possible because of the interior "") // ** // ** Remove the quotes if possible. This is a optimization. The overall // ** system should still return the correct answer even if this routine // ** is always a no-op. // */ func _sqlite3DequoteToken(tls *libc.TLS, p uintptr) { var i uint32 _ = i if (*TToken)(unsafe.Pointer(p)).Fn < uint32(2) { return } if !(libc.Int32FromUint8(_sqlite3CtypeMap[uint8(**(**uint8)(__ccgo_up((*TToken)(unsafe.Pointer(p)).Fz)))])&libc.Int32FromInt32(0x80) != 0) { return } i = uint32(1) for { if !(i < (*TToken)(unsafe.Pointer(p)).Fn-uint32(1)) { break } if libc.Int32FromUint8(_sqlite3CtypeMap[uint8(**(**uint8)(__ccgo_up((*TToken)(unsafe.Pointer(p)).Fz + uintptr(i))))])&int32(0x80) != 0 { return } goto _1 _1: ; i = i + 1 } **(**uint32)(__ccgo_up(p + 8)) -= uint32(2) (*TToken)(unsafe.Pointer(p)).Fz = (*TToken)(unsafe.Pointer(p)).Fz + 1 } // C documentation // // /* // ** Return the 'affinity' of the expression pExpr if any. // ** // ** If pExpr is a column, a reference to a column via an 'AS' alias, // ** or a sub-select with a column as the return value, then the // ** affinity of that column is returned. Otherwise, 0x00 is returned, // ** indicating no affinity for the expression. // ** // ** i.e. the WHERE clause expressions in the following statements all // ** have an affinity: // ** // ** CREATE TABLE t1(a); // ** SELECT * FROM t1 WHERE a; // ** SELECT a AS b FROM t1 WHERE b; // ** SELECT * FROM t1 WHERE (select a from t1); // */ func _sqlite3ExprAffinity(tls *libc.TLS, pExpr uintptr) (r uint8) { var op int32 _ = op op = libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop) for int32(1) != 0 { if op == int32(TK_COLUMN) || op == int32(TK_AGG_COLUMN) && *(*uintptr)(unsafe.Pointer(pExpr + 64)) != uintptr(0) { return _sqlite3TableColumnAffinity(tls, *(*uintptr)(unsafe.Pointer(pExpr + 64)), int32((*TExpr)(unsafe.Pointer(pExpr)).FiColumn)) } if op == int32(TK_SELECT) { return _sqlite3ExprAffinity(tls, (*(*TExprList_item)(unsafe.Pointer((*TSelect)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pExpr + 32)))).FpEList + 8))).FpExpr) } if op == int32(TK_CAST) { return _sqlite3AffinityType(tls, *(*uintptr)(unsafe.Pointer(pExpr + 8)), uintptr(0)) } if op == int32(TK_SELECT_COLUMN) { return _sqlite3ExprAffinity(tls, (*(*TExprList_item)(unsafe.Pointer((*TSelect)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer((*TExpr)(unsafe.Pointer(pExpr)).FpLeft + 32)))).FpEList + 8 + uintptr((*TExpr)(unsafe.Pointer(pExpr)).FiColumn)*32))).FpExpr) } if op == int32(TK_VECTOR) || op == int32(TK_FUNCTION) && libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).FaffExpr) == int32(SQLITE_AFF_DEFER) { return _sqlite3ExprAffinity(tls, (*(*TExprList_item)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pExpr + 32)) + 8))).FpExpr) } if (*TExpr)(unsafe.Pointer(pExpr)).Fflags&libc.Uint32FromInt32(libc.Int32FromInt32(EP_Skip)|libc.Int32FromInt32(EP_IfNullRow)) != uint32(0) { pExpr = (*TExpr)(unsafe.Pointer(pExpr)).FpLeft op = libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop) continue } if op != int32(TK_REGISTER) { break } op = libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop2) if op == int32(TK_REGISTER) { break } } return (*TExpr)(unsafe.Pointer(pExpr)).FaffExpr } // C documentation // // /* // ** This routine is the core allocator for Expr nodes. // ** // ** Construct a new expression node and return a pointer to it. Memory // ** for this node and for the pToken argument is a single allocation // ** obtained from sqlite3DbMalloc(). The calling function // ** is responsible for making sure the node eventually gets freed. // ** // ** If dequote is true, then the token (if it exists) is dequoted. // ** If dequote is false, no dequoting is performed. The deQuote // ** parameter is ignored if pToken is NULL or if the token does not // ** appear to be quoted. If the quotes were of the form "..." (double-quotes) // ** then the EP_DblQuoted flag is set on the expression node. // ** // ** Special case (tag-20240227-a): If op==TK_INTEGER and pToken points to // ** a string that can be translated into a 32-bit integer, then the token is // ** not stored in u.zToken. Instead, the integer values is written // ** into u.iValue and the EP_IntValue flag is set. No extra storage // ** is allocated to hold the integer text and the dequote flag is ignored. // ** See also tag-20240227-b. // */ func _sqlite3ExprAlloc(tls *libc.TLS, db uintptr, op int32, pToken uintptr, dequote int32) (r uintptr) { var nExtra int32 var pNew uintptr var v1 uint32 _, _, _ = nExtra, pNew, v1 if pToken != 0 { v1 = (*TToken)(unsafe.Pointer(pToken)).Fn + uint32(1) } else { v1 = uint32(0) } nExtra = libc.Int32FromUint32(v1) pNew = _sqlite3DbMallocRawNN(tls, db, uint64(uint64(72)+libc.Uint64FromInt32(nExtra))) if pNew != 0 { libc.Xmemset(tls, pNew, 0, uint64(72)) (*TExpr)(unsafe.Pointer(pNew)).Fop = libc.Uint8FromInt32(op) (*TExpr)(unsafe.Pointer(pNew)).FiAgg = int16(-int32(1)) if nExtra != 0 { *(*uintptr)(unsafe.Pointer(pNew + 8)) = pNew + 1*72 if (*TToken)(unsafe.Pointer(pToken)).Fn != 0 { libc.Xmemcpy(tls, *(*uintptr)(unsafe.Pointer(pNew + 8)), (*TToken)(unsafe.Pointer(pToken)).Fz, uint64((*TToken)(unsafe.Pointer(pToken)).Fn)) } **(**uint8)(__ccgo_up(*(*uintptr)(unsafe.Pointer(pNew + 8)) + uintptr((*TToken)(unsafe.Pointer(pToken)).Fn))) = uint8(0) if dequote != 0 && libc.Int32FromUint8(_sqlite3CtypeMap[uint8(**(**uint8)(__ccgo_up(*(*uintptr)(unsafe.Pointer(pNew + 8)))))])&int32(0x80) != 0 { _sqlite3DequoteExpr(tls, pNew) } } (*TExpr)(unsafe.Pointer(pNew)).FnHeight = int32(1) } return pNew } // C documentation // // /* // ** Generate code that will compute the value of generated column pCol // ** and store the result in register regOut // */ func _sqlite3ExprCodeGeneratedColumn(tls *libc.TLS, pParse uintptr, pTab uintptr, pCol uintptr, regOut int32) { var iAddr, nErr, p3 int32 var v uintptr _, _, _, _ = iAddr, nErr, p3, v v = (*TParse)(unsafe.Pointer(pParse)).FpVdbe nErr = (*TParse)(unsafe.Pointer(pParse)).FnErr if (*TParse)(unsafe.Pointer(pParse)).FiSelfTab > 0 { iAddr = _sqlite3VdbeAddOp3(tls, v, int32(OP_IfNullRow), (*TParse)(unsafe.Pointer(pParse)).FiSelfTab-int32(1), 0, regOut) } else { iAddr = 0 } _sqlite3ExprCodeCopy(tls, pParse, _sqlite3ColumnExpr(tls, pTab, pCol), regOut) if libc.Int32FromUint16((*TColumn)(unsafe.Pointer(pCol)).FcolFlags)&int32(COLFLAG_VIRTUAL) != 0 && (*TTable)(unsafe.Pointer(pTab)).FtabFlags&uint32(TF_Strict) != uint32(0) { p3 = int32(2) + int32((int64(pCol)-int64((*TTable)(unsafe.Pointer(pTab)).FaCol))/16) _sqlite3VdbeAddOp4(tls, v, int32(OP_TypeCheck), regOut, int32(1), p3, pTab, -int32(5)) } else { if libc.Int32FromUint8((*TColumn)(unsafe.Pointer(pCol)).Faffinity) >= int32(SQLITE_AFF_TEXT) { _sqlite3VdbeAddOp4(tls, v, int32(OP_Affinity), regOut, int32(1), 0, pCol+9, int32(1)) } } if iAddr != 0 { _sqlite3VdbeJumpHere(tls, v, iAddr) } if (*TParse)(unsafe.Pointer(pParse)).FnErr > nErr { (*Tsqlite3)(unsafe.Pointer((*TParse)(unsafe.Pointer(pParse)).Fdb)).FerrByteOffset = -int32(1) } } // C documentation // // /* // ** Generate code for an IN expression. // ** // ** x IN (SELECT ...) // ** x IN (value, value, ...) // ** // ** The left-hand side (LHS) is a scalar or vector expression. The // ** right-hand side (RHS) is an array of zero or more scalar values, or a // ** subquery. If the RHS is a subquery, the number of result columns must // ** match the number of columns in the vector on the LHS. If the RHS is // ** a list of values, the LHS must be a scalar. // ** // ** The IN operator is true if the LHS value is contained within the RHS. // ** The result is false if the LHS is definitely not in the RHS. The // ** result is NULL if the presence of the LHS in the RHS cannot be // ** determined due to NULLs. // ** // ** This routine generates code that jumps to destIfFalse if the LHS is not // ** contained within the RHS. If due to NULLs we cannot determine if the LHS // ** is contained in the RHS then jump to destIfNull. If the LHS is contained // ** within the RHS then fall through. // ** // ** See the separate in-operator.md documentation file in the canonical // ** SQLite source tree for additional information. // */ func _sqlite3ExprCodeIN(tls *libc.TLS, pParse uintptr, pExpr uintptr, destIfFalse int32, destIfNull int32) { bp := tls.Alloc(16) defer tls.Free(16) var addrTop, addrTruthOp, destNotNull, destStep2, destStep6, eType, i, ii, labelOk, nVector, op, op1, r2, r3, rLhs, rLhsOrig, regCkNull, v3 int32 var aiMap, p, p1, pColl, pColl1, pLeft, pList, pOp, pRhs, v, zAff, v1 uintptr var okConstFactor Tu8 var _ /* iDummy at bp+4 */ int32 var _ /* iTab at bp+8 */ int32 var _ /* rRhsHasNull at bp+0 */ int32 var _ /* regToFree at bp+12 */ int32 _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = addrTop, addrTruthOp, aiMap, destNotNull, destStep2, destStep6, eType, i, ii, labelOk, nVector, okConstFactor, op, op1, p, p1, pColl, pColl1, pLeft, pList, pOp, pRhs, r2, r3, rLhs, rLhsOrig, regCkNull, v, zAff, v1, v3 **(**int32)(__ccgo_up(bp)) = 0 /* Statement under construction */ aiMap = uintptr(0) /* Map from vector field to index column */ zAff = uintptr(0) /* Where to jump when NULLs seen in step 2 */ destStep6 = 0 /* Top of the step-6 loop */ **(**int32)(__ccgo_up(bp + 8)) = 0 /* Index to use */ okConstFactor = libc.Uint8FromInt32(int32(Tbft(*(*uint16)(unsafe.Pointer(pParse + 40)) & 0x80 >> 7))) pLeft = (*TExpr)(unsafe.Pointer(pExpr)).FpLeft if _sqlite3ExprCheckIN(tls, pParse, pExpr) != 0 { return } zAff = _exprINAffinity(tls, pParse, pExpr) nVector = _sqlite3ExprVectorSize(tls, (*TExpr)(unsafe.Pointer(pExpr)).FpLeft) aiMap = _sqlite3DbMallocZero(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, uint64(libc.Uint64FromInt32(nVector)*uint64(4))) if (*Tsqlite3)(unsafe.Pointer((*TParse)(unsafe.Pointer(pParse)).Fdb)).FmallocFailed != 0 { goto sqlite3ExprCodeIN_oom_error } /* Attempt to compute the RHS. After this step, if anything other than ** IN_INDEX_NOOP is returned, the table opened with cursor iTab ** contains the values that make up the RHS. If IN_INDEX_NOOP is returned, ** the RHS has not yet been coded. */ v = (*TParse)(unsafe.Pointer(pParse)).FpVdbe /* OOM detected prior to this routine */ if destIfFalse == destIfNull { v1 = uintptr(0) } else { v1 = bp } eType = _sqlite3FindInIndex(tls, pParse, pExpr, libc.Uint32FromInt32(libc.Int32FromInt32(IN_INDEX_MEMBERSHIP)|libc.Int32FromInt32(IN_INDEX_NOOP_OK)), v1, aiMap, bp+8) /* Code the LHS, the from " IN (...)". If the LHS is a ** vector, then it is stored in an array of nVector registers starting ** at r1. ** ** sqlite3FindInIndex() might have reordered the fields of the LHS vector ** so that the fields are in the same order as an existing index. The ** aiMap[] array contains a mapping from the original LHS field order to ** the field order that matches the RHS index. ** ** Avoid factoring the LHS of the IN(...) expression out of the loop, ** even if it is constant, as OP_Affinity may be used on the register ** by code generated below. */ libc.SetBitFieldPtr16Uint32(pParse+40, libc.Uint32FromInt32(0), 7, 0x80) rLhs = _exprCodeVector(tls, pParse, pLeft, bp+4) libc.SetBitFieldPtr16Uint32(pParse+40, uint32(okConstFactor), 7, 0x80) /* If sqlite3FindInIndex() did not find or create an index that is ** suitable for evaluating the IN operator, then evaluate using a ** sequence of comparisons. ** ** This is step (1) in the in-operator.md optimized algorithm. */ if eType == int32(IN_INDEX_NOOP) { labelOk = _sqlite3VdbeMakeLabel(tls, pParse) regCkNull = 0 pList = *(*uintptr)(unsafe.Pointer(pExpr + 32)) pColl = _sqlite3ExprCollSeq(tls, pParse, (*TExpr)(unsafe.Pointer(pExpr)).FpLeft) if destIfNull != destIfFalse { regCkNull = _sqlite3GetTempReg(tls, pParse) _sqlite3VdbeAddOp3(tls, v, int32(OP_BitAnd), rLhs, rLhs, regCkNull) } ii = 0 for { if !(ii < (*TExprList)(unsafe.Pointer(pList)).FnExpr) { break } r2 = _sqlite3ExprCodeTemp(tls, pParse, (*(*TExprList_item)(unsafe.Pointer(pList + 8 + uintptr(ii)*32))).FpExpr, bp+12) if regCkNull != 0 && _sqlite3ExprCanBeNull(tls, (*(*TExprList_item)(unsafe.Pointer(pList + 8 + uintptr(ii)*32))).FpExpr) != 0 { _sqlite3VdbeAddOp3(tls, v, int32(OP_BitAnd), regCkNull, r2, regCkNull) } _sqlite3ReleaseTempReg(tls, pParse, **(**int32)(__ccgo_up(bp + 12))) if ii < (*TExprList)(unsafe.Pointer(pList)).FnExpr-int32(1) || destIfNull != destIfFalse { if rLhs != r2 { v3 = int32(OP_Eq) } else { v3 = int32(OP_NotNull) } op = v3 _sqlite3VdbeAddOp4(tls, v, op, rLhs, labelOk, r2, pColl, -int32(2)) _sqlite3VdbeChangeP5(tls, v, uint16(**(**uint8)(__ccgo_up(zAff)))) } else { if rLhs != r2 { v3 = int32(OP_Ne) } else { v3 = int32(OP_IsNull) } op1 = v3 _sqlite3VdbeAddOp4(tls, v, op1, rLhs, destIfFalse, r2, pColl, -int32(2)) _sqlite3VdbeChangeP5(tls, v, libc.Uint16FromInt32(libc.Int32FromUint8(**(**uint8)(__ccgo_up(zAff)))|int32(SQLITE_JUMPIFNULL))) } goto _2 _2: ; ii = ii + 1 } if regCkNull != 0 { _sqlite3VdbeAddOp2(tls, v, int32(OP_IsNull), regCkNull, destIfNull) _sqlite3VdbeGoto(tls, v, destIfFalse) } _sqlite3VdbeResolveLabel(tls, v, labelOk) _sqlite3ReleaseTempReg(tls, pParse, regCkNull) goto sqlite3ExprCodeIN_finished } if eType != int32(IN_INDEX_ROWID) { /* If this IN operator will use an index, then the order of columns in the ** vector might be different from the order in the index. In that case, ** we need to reorder the LHS values to be in index order. Run Affinity ** before reordering the columns, so that the affinity is correct. */ _sqlite3VdbeAddOp4(tls, v, int32(OP_Affinity), rLhs, nVector, 0, zAff, nVector) i = 0 for { if !(i < nVector && **(**int32)(__ccgo_up(aiMap + uintptr(i)*4)) == i) { break } goto _5 _5: ; i = i + 1 } /* Are LHS fields reordered? */ if i != nVector { /* Need to reorder the LHS fields according to aiMap */ rLhsOrig = rLhs rLhs = _sqlite3GetTempRange(tls, pParse, nVector) i = 0 for { if !(i < nVector) { break } _sqlite3VdbeAddOp3(tls, v, int32(OP_Copy), rLhsOrig+i, rLhs+**(**int32)(__ccgo_up(aiMap + uintptr(i)*4)), 0) goto _6 _6: ; i = i + 1 } _sqlite3ReleaseTempReg(tls, pParse, rLhsOrig) } } /* Step 2: Check to see if the LHS contains any NULL columns. If the ** LHS does contain NULLs then the result must be either FALSE or NULL. ** We will then skip the binary search of the RHS. */ if destIfNull == destIfFalse { destStep2 = destIfFalse } else { v3 = _sqlite3VdbeMakeLabel(tls, pParse) destStep6 = v3 destStep2 = v3 } i = 0 for { if !(i < nVector) { break } p = _sqlite3VectorFieldSubexpr(tls, (*TExpr)(unsafe.Pointer(pExpr)).FpLeft, i) if (*TParse)(unsafe.Pointer(pParse)).FnErr != 0 { goto sqlite3ExprCodeIN_oom_error } if _sqlite3ExprCanBeNull(tls, p) != 0 { _sqlite3VdbeAddOp2(tls, v, int32(OP_IsNull), rLhs+**(**int32)(__ccgo_up(aiMap + uintptr(i)*4)), destStep2) } goto _8 _8: ; i = i + 1 } /* Step 3. The LHS is now known to be non-NULL. Do the binary search ** of the RHS using the LHS as a probe. If found, the result is ** true. */ if eType == int32(IN_INDEX_ROWID) { /* In this case, the RHS is the ROWID of table b-tree and so we also ** know that the RHS is non-NULL. Hence, we combine steps 3 and 4 ** into a single opcode. */ _sqlite3VdbeAddOp3(tls, v, int32(OP_SeekRowid), **(**int32)(__ccgo_up(bp + 8)), destIfFalse, rLhs) addrTruthOp = _sqlite3VdbeAddOp0(tls, v, int32(OP_Goto)) /* Return True */ } else { if destIfFalse == destIfNull { /* Combine Step 3 and Step 5 into a single opcode */ if (*TExpr)(unsafe.Pointer(pExpr)).Fflags&libc.Uint32FromInt32(libc.Int32FromInt32(EP_Subrtn)) != uint32(0) { pOp = _sqlite3VdbeGetOp(tls, v, (*(*struct { FiAddr int32 FregReturn int32 })(unsafe.Pointer(pExpr + 64))).FiAddr) if (*TVdbeOp)(unsafe.Pointer(pOp)).Fp3 > 0 { /* tag-202407032019 */ _sqlite3VdbeAddOp4Int(tls, v, int32(OP_Filter), (*TVdbeOp)(unsafe.Pointer(pOp)).Fp3, destIfFalse, rLhs, nVector) } } _sqlite3VdbeAddOp4Int(tls, v, int32(OP_NotFound), **(**int32)(__ccgo_up(bp + 8)), destIfFalse, rLhs, nVector) goto sqlite3ExprCodeIN_finished } /* Ordinary Step 3, for the case where FALSE and NULL are distinct */ addrTruthOp = _sqlite3VdbeAddOp4Int(tls, v, int32(OP_Found), **(**int32)(__ccgo_up(bp + 8)), 0, rLhs, nVector) } /* Step 4. If the RHS is known to be non-NULL and we did not find ** an match on the search above, then the result must be FALSE. */ if **(**int32)(__ccgo_up(bp)) != 0 && nVector == int32(1) { _sqlite3VdbeAddOp2(tls, v, int32(OP_NotNull), **(**int32)(__ccgo_up(bp)), destIfFalse) } /* Step 5. If we do not care about the difference between NULL and ** FALSE, then just return false. */ if destIfFalse == destIfNull { _sqlite3VdbeGoto(tls, v, destIfFalse) } /* Step 6: Loop through rows of the RHS. Compare each row to the LHS. ** If any comparison is NULL, then the result is NULL. If all ** comparisons are FALSE then the final result is FALSE. ** ** For a scalar LHS, it is sufficient to check just the first row ** of the RHS. */ if destStep6 != 0 { _sqlite3VdbeResolveLabel(tls, v, destStep6) } addrTop = _sqlite3VdbeAddOp2(tls, v, int32(OP_Rewind), **(**int32)(__ccgo_up(bp + 8)), destIfFalse) if nVector > int32(1) { destNotNull = _sqlite3VdbeMakeLabel(tls, pParse) } else { /* For nVector==1, combine steps 6 and 7 by immediately returning ** FALSE if the first comparison is not NULL */ destNotNull = destIfFalse } i = 0 for { if !(i < nVector) { break } r3 = _sqlite3GetTempReg(tls, pParse) p1 = _sqlite3VectorFieldSubexpr(tls, pLeft, i) if (*TExpr)(unsafe.Pointer(pExpr)).Fflags&uint32(EP_xIsSelect) != uint32(0) { pRhs = (*(*TExprList_item)(unsafe.Pointer((*TSelect)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pExpr + 32)))).FpEList + 8 + uintptr(i)*32))).FpExpr pColl1 = _sqlite3BinaryCompareCollSeq(tls, pParse, p1, pRhs) } else { /* If the RHS of the IN(...) expression are scalar expressions, do ** not consider their collation sequences. The documentation says ** "The collating sequence used for expressions of the form "x IN (y, z, ** ...)" is the collating sequence of x.". */ pColl1 = _sqlite3ExprCollSeq(tls, pParse, p1) } _sqlite3VdbeAddOp3(tls, v, int32(OP_Column), **(**int32)(__ccgo_up(bp + 8)), **(**int32)(__ccgo_up(aiMap + uintptr(i)*4)), r3) _sqlite3VdbeAddOp4(tls, v, int32(OP_Ne), rLhs+**(**int32)(__ccgo_up(aiMap + uintptr(i)*4)), destNotNull, r3, pColl1, -int32(2)) _sqlite3ReleaseTempReg(tls, pParse, r3) goto _9 _9: ; i = i + 1 } _sqlite3VdbeAddOp2(tls, v, int32(OP_Goto), 0, destIfNull) if nVector > int32(1) { _sqlite3VdbeResolveLabel(tls, v, destNotNull) _sqlite3VdbeAddOp2(tls, v, int32(OP_Next), **(**int32)(__ccgo_up(bp + 8)), addrTop+int32(1)) /* Step 7: If we reach this point, we know that the result must ** be false. */ _sqlite3VdbeAddOp2(tls, v, int32(OP_Goto), 0, destIfFalse) } /* Jumps here in order to return true. */ _sqlite3VdbeJumpHere(tls, v, addrTruthOp) goto sqlite3ExprCodeIN_finished sqlite3ExprCodeIN_finished: ; goto sqlite3ExprCodeIN_oom_error sqlite3ExprCodeIN_oom_error: ; _sqlite3DbFree(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, aiMap) _sqlite3DbFree(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, zAff) } // C documentation // // /* // ** Return the collation sequence for the expression pExpr. If // ** there is no defined collating sequence, return NULL. // ** // ** See also: sqlite3ExprNNCollSeq() // ** // ** The sqlite3ExprNNCollSeq() works the same exact that it returns the // ** default collation if pExpr has no defined collation. // ** // ** The collating sequence might be determined by a COLLATE operator // ** or by the presence of a column with a defined collating sequence. // ** COLLATE operators take first precedence. Left operands take // ** precedence over right operands. // */ func _sqlite3ExprCollSeq(tls *libc.TLS, pParse uintptr, pExpr uintptr) (r uintptr) { var db, p, pColl, pNext, zColl uintptr var i, j, op, v1 int32 _, _, _, _, _, _, _, _, _ = db, i, j, op, p, pColl, pNext, zColl, v1 db = (*TParse)(unsafe.Pointer(pParse)).Fdb pColl = uintptr(0) p = pExpr for p != 0 { op = libc.Int32FromUint8((*TExpr)(unsafe.Pointer(p)).Fop) if op == int32(TK_REGISTER) { op = libc.Int32FromUint8((*TExpr)(unsafe.Pointer(p)).Fop2) } if op == int32(TK_AGG_COLUMN) && *(*uintptr)(unsafe.Pointer(p + 64)) != uintptr(0) || op == int32(TK_COLUMN) || op == int32(TK_TRIGGER) { v1 = int32((*TExpr)(unsafe.Pointer(p)).FiColumn) j = v1 if v1 >= 0 { zColl = _sqlite3ColumnColl(tls, (*TTable)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(p + 64)))).FaCol+uintptr(j)*16) pColl = _sqlite3FindCollSeq(tls, db, (*Tsqlite3)(unsafe.Pointer(db)).Fenc, zColl, 0) } break } if op == int32(TK_CAST) || op == int32(TK_UPLUS) { p = (*TExpr)(unsafe.Pointer(p)).FpLeft continue } if op == int32(TK_VECTOR) || op == int32(TK_FUNCTION) && libc.Int32FromUint8((*TExpr)(unsafe.Pointer(p)).FaffExpr) == int32(SQLITE_AFF_DEFER) { p = (*(*TExprList_item)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(p + 32)) + 8))).FpExpr continue } if op == int32(TK_COLLATE) { pColl = _sqlite3GetCollSeq(tls, pParse, (*Tsqlite3)(unsafe.Pointer(db)).Fenc, uintptr(0), *(*uintptr)(unsafe.Pointer(p + 8))) break } if (*TExpr)(unsafe.Pointer(p)).Fflags&uint32(EP_Collate) != 0 { if (*TExpr)(unsafe.Pointer(p)).FpLeft != 0 && (*TExpr)(unsafe.Pointer((*TExpr)(unsafe.Pointer(p)).FpLeft)).Fflags&uint32(EP_Collate) != uint32(0) { p = (*TExpr)(unsafe.Pointer(p)).FpLeft } else { pNext = (*TExpr)(unsafe.Pointer(p)).FpRight /* The Expr.x union is never used at the same time as Expr.pRight */ if (*TExpr)(unsafe.Pointer(p)).Fflags&uint32(EP_xIsSelect) == uint32(0) && *(*uintptr)(unsafe.Pointer(p + 32)) != uintptr(0) && !((*Tsqlite3)(unsafe.Pointer(db)).FmallocFailed != 0) { i = 0 for { if !(i < (*TExprList)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(p + 32)))).FnExpr) { break } if (*TExpr)(unsafe.Pointer((*(*TExprList_item)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(p + 32)) + 8 + uintptr(i)*32))).FpExpr)).Fflags&libc.Uint32FromInt32(libc.Int32FromInt32(EP_Collate)) != uint32(0) { pNext = (*(*TExprList_item)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(p + 32)) + 8 + uintptr(i)*32))).FpExpr break } goto _2 _2: ; i = i + 1 } } p = pNext } } else { break } } if _sqlite3CheckCollSeq(tls, pParse, pColl) != 0 { pColl = uintptr(0) } return pColl } // C documentation // // /* // ** Make a guess at all the possible datatypes of the result that could // ** be returned by an expression. Return a bitmask indicating the answer: // ** // ** 0x01 Numeric // ** 0x02 Text // ** 0x04 Blob // ** // ** If the expression must return NULL, then 0x00 is returned. // */ func _sqlite3ExprDataType(tls *libc.TLS, pExpr uintptr) (r int32) { var aff, ii, res int32 var pList uintptr _, _, _, _ = aff, ii, pList, res for pExpr != 0 { switch libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop) { case int32(TK_COLLATE): fallthrough case int32(TK_IF_NULL_ROW): fallthrough case int32(TK_UPLUS): pExpr = (*TExpr)(unsafe.Pointer(pExpr)).FpLeft case int32(TK_NULL): pExpr = uintptr(0) case int32(TK_STRING): return int32(0x02) case int32(TK_BLOB): return int32(0x04) case int32(TK_CONCAT): return int32(0x06) case int32(TK_VARIABLE): fallthrough case int32(TK_AGG_FUNCTION): fallthrough case int32(TK_FUNCTION): return int32(0x07) case int32(TK_COLUMN): fallthrough case int32(TK_AGG_COLUMN): fallthrough case int32(TK_SELECT): fallthrough case int32(TK_CAST): fallthrough case int32(TK_SELECT_COLUMN): fallthrough case int32(TK_VECTOR): aff = libc.Int32FromUint8(_sqlite3ExprAffinity(tls, pExpr)) if aff >= int32(SQLITE_AFF_NUMERIC) { return int32(0x05) } if aff == int32(SQLITE_AFF_TEXT) { return int32(0x06) } return int32(0x07) case int32(TK_CASE): res = 0 pList = *(*uintptr)(unsafe.Pointer(pExpr + 32)) ii = int32(1) for { if !(ii < (*TExprList)(unsafe.Pointer(pList)).FnExpr) { break } res = res | _sqlite3ExprDataType(tls, (*(*TExprList_item)(unsafe.Pointer(pList + 8 + uintptr(ii)*32))).FpExpr) goto _1 _1: ; ii = ii + int32(2) } if (*TExprList)(unsafe.Pointer(pList)).FnExpr%int32(2) != 0 { res = res | _sqlite3ExprDataType(tls, (*(*TExprList_item)(unsafe.Pointer(pList + 8 + uintptr((*TExprList)(unsafe.Pointer(pList)).FnExpr-int32(1))*32))).FpExpr) } return res default: return int32(0x01) } /* End of switch(op) */ } /* End of while(pExpr) */ return 0x00 } // C documentation // // /* // ** Return true if the expression is one of the following: // ** // ** CASE WHEN x THEN y END // ** CASE WHEN x THEN y ELSE NULL END // ** CASE WHEN x THEN y ELSE false END // ** iif(x,y) // ** iif(x,y,NULL) // ** iif(x,y,false) // */ func _sqlite3ExprIsIIF(tls *libc.TLS, db uintptr, pExpr uintptr) (r int32) { var pDef, pList, z uintptr _, _, _ = pDef, pList, z if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop) == int32(TK_FUNCTION) { z = *(*uintptr)(unsafe.Pointer(pExpr + 8)) if libc.Int32FromUint8(**(**uint8)(__ccgo_up(z))) != int32('i') && libc.Int32FromUint8(**(**uint8)(__ccgo_up(z))) != int32('I') { return 0 } if *(*uintptr)(unsafe.Pointer(pExpr + 32)) == uintptr(0) { return 0 } pDef = _sqlite3FindFunction(tls, db, z, (*TExprList)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pExpr + 32)))).FnExpr, (*Tsqlite3)(unsafe.Pointer(db)).Fenc, uint8(0)) if pDef == uintptr(0) { return 0 } if (*TFuncDef)(unsafe.Pointer(pDef)).FfuncFlags&uint32(SQLITE_FUNC_INLINE) == uint32(0) { return 0 } if int32(int64((*TFuncDef)(unsafe.Pointer(pDef)).FpUserData)) != int32(INLINEFUNC_iif) { return 0 } } else { if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop) == int32(TK_CASE) { if (*TExpr)(unsafe.Pointer(pExpr)).FpLeft != uintptr(0) { return 0 } } else { return 0 } } pList = *(*uintptr)(unsafe.Pointer(pExpr + 32)) if (*TExprList)(unsafe.Pointer(pList)).FnExpr == int32(2) { return int32(1) } if (*TExprList)(unsafe.Pointer(pList)).FnExpr == int32(3) && _sqlite3ExprIsNotTrue(tls, (*(*TExprList_item)(unsafe.Pointer(pList + 8 + 2*32))).FpExpr) != 0 { return int32(1) } return 0 } // C documentation // // /* // ** Locate a user function given a name, a number of arguments and a flag // ** indicating whether the function prefers UTF-16 over UTF-8. Return a // ** pointer to the FuncDef structure that defines that function, or return // ** NULL if the function does not exist. // ** // ** If the createFlag argument is true, then a new (blank) FuncDef // ** structure is created and liked into the "db" structure if a // ** no matching function previously existed. // ** // ** If nArg is -2, then the first valid function found is returned. A // ** function is valid if xSFunc is non-zero. The nArg==(-2) // ** case is used to see if zName is a valid function name for some number // ** of arguments. If nArg is -2, then createFlag must be 0. // ** // ** If createFlag is false, then a function with the required name and // ** number of arguments may be returned even if the eTextRep flag does not // ** match that requested. // */ func _sqlite3FindFunction(tls *libc.TLS, db uintptr, zName uintptr, nArg int32, enc Tu8, createFlag Tu8) (r uintptr) { var bestScore, h, nName, score, score1 int32 var p, pBest, pOther, z, v1 uintptr var v2 bool _, _, _, _, _, _, _, _, _, _, _ = bestScore, h, nName, p, pBest, pOther, score, score1, z, v1, v2 /* Iterator variable */ pBest = uintptr(0) /* Best match found so far */ bestScore = 0 /* Length of the name */ nName = _sqlite3Strlen30(tls, zName) /* First search for a match amongst the application-defined functions. */ p = _sqlite3HashFind(tls, db+624, zName) for p != 0 { score = _matchQuality(tls, p, nArg, enc) if score > bestScore { pBest = p bestScore = score } p = (*TFuncDef)(unsafe.Pointer(p)).FpNext } /* If no match is found, search the built-in functions. ** ** If the DBFLAG_PreferBuiltin flag is set, then search the built-in ** functions even if a prior app-defined function was found. And give ** priority to built-in functions. ** ** Except, if createFlag is true, that means that we are trying to ** install a new function. Whatever FuncDef structure is returned it will ** have fields overwritten with new information appropriate for the ** new function. But the FuncDefs for built-in functions are read-only. ** So we must not search for built-ins when creating a new function. */ if !(createFlag != 0) && (pBest == uintptr(0) || (*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags&uint32(DBFLAG_PreferBuiltin) != uint32(0)) { bestScore = 0 h = (libc.Int32FromUint8(_sqlite3UpperToLower[uint8(**(**uint8)(__ccgo_up(zName)))]) + nName) % int32(SQLITE_FUNC_HASH_SZ) p = _sqlite3FunctionSearch(tls, h, zName) for p != 0 { score1 = _matchQuality(tls, p, nArg, enc) if score1 > bestScore { pBest = p bestScore = score1 } p = (*TFuncDef)(unsafe.Pointer(p)).FpNext } } /* If the createFlag parameter is true and the search did not reveal an ** exact match for the name, number of arguments and encoding, then add a ** new entry to the hash table and return it. */ if v2 = createFlag != 0 && bestScore < int32(FUNC_PERFECT_MATCH); v2 { v1 = _sqlite3DbMallocZero(tls, db, uint64(uint64(72)+libc.Uint64FromInt32(nName)+uint64(1))) pBest = v1 } if v2 && v1 != uintptr(0) { (*TFuncDef)(unsafe.Pointer(pBest)).FzName = pBest + 1*72 (*TFuncDef)(unsafe.Pointer(pBest)).FnArg = libc.Int16FromUint16(libc.Uint16FromInt32(nArg)) (*TFuncDef)(unsafe.Pointer(pBest)).FfuncFlags = uint32(enc) libc.Xmemcpy(tls, pBest+1*72, zName, libc.Uint64FromInt32(nName+int32(1))) z = (*TFuncDef)(unsafe.Pointer(pBest)).FzName for { if !(**(**Tu8)(__ccgo_up(z)) != 0) { break } **(**Tu8)(__ccgo_up(z)) = _sqlite3UpperToLower[**(**Tu8)(__ccgo_up(z))] goto _3 _3: ; z = z + 1 } pOther = _sqlite3HashInsert(tls, db+624, (*TFuncDef)(unsafe.Pointer(pBest)).FzName, pBest) if pOther == pBest { _sqlite3DbFree(tls, db, pBest) _sqlite3OomFault(tls, db) return uintptr(0) } else { (*TFuncDef)(unsafe.Pointer(pBest)).FpNext = pOther } } if pBest != 0 && ((*TFuncDef)(unsafe.Pointer(pBest)).FxSFunc != 0 || createFlag != 0) { return pBest } return uintptr(0) } // C documentation // // /* // ** Parameter zIn contains a rank() function specification. The format of // ** this is: // ** // ** + Bareword (function name) // ** + Open parenthesis - "(" // ** + Zero or more SQL literals in a comma separated list // ** + Close parenthesis - ")" // */ func _sqlite3Fts5ConfigParseRank(tls *libc.TLS, zIn uintptr, pzRank uintptr, pzRankArgs uintptr) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var p, pArgs, pRank, zRank, zRankArgs uintptr var _ /* rc at bp+0 */ int32 _, _, _, _, _ = p, pArgs, pRank, zRank, zRankArgs p = zIn zRank = uintptr(0) zRankArgs = uintptr(0) **(**int32)(__ccgo_up(bp)) = SQLITE_OK **(**uintptr)(__ccgo_up(pzRank)) = uintptr(0) **(**uintptr)(__ccgo_up(pzRankArgs)) = uintptr(0) if p == uintptr(0) { **(**int32)(__ccgo_up(bp)) = int32(SQLITE_ERROR) } else { p = _fts5ConfigSkipWhitespace(tls, p) pRank = p p = _fts5ConfigSkipBareword(tls, p) if p != 0 { zRank = _sqlite3Fts5MallocZero(tls, bp, int64(uintptr(1)+p)-int64(pRank)) if zRank != 0 { libc.Xmemcpy(tls, zRank, pRank, libc.Uint64FromInt64(int64(p)-int64(pRank))) } } else { **(**int32)(__ccgo_up(bp)) = int32(SQLITE_ERROR) } if **(**int32)(__ccgo_up(bp)) == SQLITE_OK { p = _fts5ConfigSkipWhitespace(tls, p) if libc.Int32FromUint8(**(**uint8)(__ccgo_up(p))) != int32('(') { **(**int32)(__ccgo_up(bp)) = int32(SQLITE_ERROR) } p = p + 1 } if **(**int32)(__ccgo_up(bp)) == SQLITE_OK { p = _fts5ConfigSkipWhitespace(tls, p) pArgs = p if libc.Int32FromUint8(**(**uint8)(__ccgo_up(p))) != int32(')') { p = _fts5ConfigSkipArgs(tls, p) if p == uintptr(0) { **(**int32)(__ccgo_up(bp)) = int32(SQLITE_ERROR) } else { zRankArgs = _sqlite3Fts5MallocZero(tls, bp, int64(uintptr(1)+p)-int64(pArgs)) if zRankArgs != 0 { libc.Xmemcpy(tls, zRankArgs, pArgs, libc.Uint64FromInt64(int64(p)-int64(pArgs))) } } } } } if **(**int32)(__ccgo_up(bp)) != SQLITE_OK { Xsqlite3_free(tls, zRank) } else { **(**uintptr)(__ccgo_up(pzRank)) = zRank **(**uintptr)(__ccgo_up(pzRankArgs)) = zRankArgs } return **(**int32)(__ccgo_up(bp)) } // C documentation // // /* // ** This function is only called when using the special 'trigram' tokenizer. // ** Argument zText contains the text of a LIKE or GLOB pattern matched // ** against column iCol. This function creates and compiles an FTS5 MATCH // ** expression that will match a superset of the rows matched by the LIKE or // ** GLOB. If successful, SQLITE_OK is returned. Otherwise, an SQLite error // ** code. // */ func _sqlite3Fts5ExprPattern(tls *libc.TLS, pConfig uintptr, bGlob int32, iCol int32, zText uintptr, pp uintptr) (r int32) { var aSpec [3]uint8 var bAnd, i, iFirst, iOut, jj, rc, v1 int32 var nText Ti64 var zExpr uintptr _, _, _, _, _, _, _, _, _, _ = aSpec, bAnd, i, iFirst, iOut, jj, nText, rc, zExpr, v1 nText = libc.Int64FromUint64(libc.Xstrlen(tls, zText)) zExpr = Xsqlite3_malloc64(tls, libc.Uint64FromInt64(nText*int64(4)+int64(1))) rc = SQLITE_OK if zExpr == uintptr(0) { rc = int32(SQLITE_NOMEM) } else { iOut = 0 i = 0 iFirst = 0 if bGlob == 0 { aSpec[0] = uint8('_') aSpec[int32(1)] = uint8('%') aSpec[int32(2)] = uint8(0) } else { aSpec[0] = uint8('*') aSpec[int32(1)] = uint8('?') aSpec[int32(2)] = uint8('[') } for int64(i) <= nText { if int64(i) == nText || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zText + uintptr(i)))) == libc.Int32FromUint8(aSpec[0]) || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zText + uintptr(i)))) == libc.Int32FromUint8(aSpec[int32(1)]) || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zText + uintptr(i)))) == libc.Int32FromUint8(aSpec[int32(2)]) { if _fts5ExprCountChar(tls, zText+uintptr(iFirst), i-iFirst) >= int32(3) { v1 = iOut iOut = iOut + 1 **(**uint8)(__ccgo_up(zExpr + uintptr(v1))) = uint8('"') jj = iFirst for { if !(jj < i) { break } v1 = iOut iOut = iOut + 1 **(**uint8)(__ccgo_up(zExpr + uintptr(v1))) = **(**uint8)(__ccgo_up(zText + uintptr(jj))) if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zText + uintptr(jj)))) == int32('"') { v1 = iOut iOut = iOut + 1 **(**uint8)(__ccgo_up(zExpr + uintptr(v1))) = uint8('"') } goto _2 _2: ; jj = jj + 1 } v1 = iOut iOut = iOut + 1 **(**uint8)(__ccgo_up(zExpr + uintptr(v1))) = uint8('"') v1 = iOut iOut = iOut + 1 **(**uint8)(__ccgo_up(zExpr + uintptr(v1))) = uint8(' ') } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zText + uintptr(i)))) == libc.Int32FromUint8(aSpec[int32(2)]) { i = i + int32(2) if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zText + uintptr(i-int32(1))))) == int32('^') { i = i + 1 } for int64(i) < nText && libc.Int32FromUint8(**(**uint8)(__ccgo_up(zText + uintptr(i)))) != int32(']') { i = i + 1 } } iFirst = i + int32(1) } i = i + 1 } if iOut > 0 { bAnd = 0 if (*TFts5Config)(unsafe.Pointer(pConfig)).FeDetail != FTS5_DETAIL_FULL { bAnd = int32(1) if (*TFts5Config)(unsafe.Pointer(pConfig)).FeDetail == int32(FTS5_DETAIL_NONE) { iCol = (*TFts5Config)(unsafe.Pointer(pConfig)).FnCol } } **(**uint8)(__ccgo_up(zExpr + uintptr(iOut))) = uint8('\000') rc = _sqlite3Fts5ExprNew(tls, pConfig, bAnd, iCol, zExpr, pp, (*TFts5Config)(unsafe.Pointer(pConfig)).FpzErrmsg) } else { **(**uintptr)(__ccgo_up(pp)) = uintptr(0) } Xsqlite3_free(tls, zExpr) } return rc } // C documentation // // /* // ** Add an entry to the in-memory hash table. The key is the concatenation // ** of bByte and (pToken/nToken). The value is (iRowid/iCol/iPos). // ** // ** (bByte || pToken) -> (iRowid,iCol,iPos) // ** // ** Or, if iCol is negative, then the value is a delete marker. // */ func _sqlite3Fts5HashWrite(tls *libc.TLS, pHash uintptr, iRowid Ti64, iCol int32, iPos int32, bByte uint8, pToken uintptr, nToken int32) (r int32) { var bNew, nIncr, rc, v2 int32 var iDiff Tu64 var iHash uint32 var nByte, nNew Tsqlite3_int64 var p, pNew, pPtr, pp, zKey, zKey1, v6 uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = bNew, iDiff, iHash, nByte, nIncr, nNew, p, pNew, pPtr, pp, rc, zKey, zKey1, v2, v6 nIncr = 0 /* If non-delete entry should be written */ bNew = libc.BoolInt32((*TFts5Hash)(unsafe.Pointer(pHash)).FeDetail == FTS5_DETAIL_FULL) /* Attempt to locate an existing hash entry */ iHash = _fts5HashKey2(tls, (*TFts5Hash)(unsafe.Pointer(pHash)).FnSlot, bByte, pToken, nToken) p = **(**uintptr)(__ccgo_up((*TFts5Hash)(unsafe.Pointer(pHash)).FaSlot + uintptr(iHash)*8)) for { if !(p != 0) { break } zKey = p + 1*48 if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zKey))) == libc.Int32FromUint8(bByte) && (*TFts5HashEntry)(unsafe.Pointer(p)).FnKey == nToken+int32(1) && libc.Xmemcmp(tls, zKey+1, pToken, libc.Uint64FromInt32(nToken)) == 0 { break } goto _1 _1: ; p = (*TFts5HashEntry)(unsafe.Pointer(p)).FpHashNext } /* If an existing hash entry cannot be found, create a new one. */ if p == uintptr(0) { nByte = libc.Int64FromUint64(uint64(48) + libc.Uint64FromInt32(nToken+libc.Int32FromInt32(1)) + uint64(1) + uint64(64)) if nByte < int64(128) { nByte = int64(128) } /* Grow the Fts5Hash.aSlot[] array if necessary. */ if (*TFts5Hash)(unsafe.Pointer(pHash)).FnEntry*int32(2) >= (*TFts5Hash)(unsafe.Pointer(pHash)).FnSlot { rc = _fts5HashResize(tls, pHash) if rc != SQLITE_OK { return rc } iHash = _fts5HashKey2(tls, (*TFts5Hash)(unsafe.Pointer(pHash)).FnSlot, bByte, pToken, nToken) } /* Allocate new Fts5HashEntry and add it to the hash table. */ p = Xsqlite3_malloc64(tls, libc.Uint64FromInt64(nByte)) if !(p != 0) { return int32(SQLITE_NOMEM) } libc.Xmemset(tls, p, 0, uint64(48)) (*TFts5HashEntry)(unsafe.Pointer(p)).FnAlloc = int32(nByte) zKey1 = p + 1*48 **(**uint8)(__ccgo_up(zKey1)) = bByte libc.Xmemcpy(tls, zKey1+1, pToken, libc.Uint64FromInt32(nToken)) (*TFts5HashEntry)(unsafe.Pointer(p)).FnKey = nToken + int32(1) **(**uint8)(__ccgo_up(zKey1 + uintptr(nToken+int32(1)))) = uint8('\000') (*TFts5HashEntry)(unsafe.Pointer(p)).FnData = libc.Int32FromUint64(libc.Uint64FromInt32(nToken+int32(1)) + uint64(48)) (*TFts5HashEntry)(unsafe.Pointer(p)).FpHashNext = **(**uintptr)(__ccgo_up((*TFts5Hash)(unsafe.Pointer(pHash)).FaSlot + uintptr(iHash)*8)) **(**uintptr)(__ccgo_up((*TFts5Hash)(unsafe.Pointer(pHash)).FaSlot + uintptr(iHash)*8)) = p (*TFts5Hash)(unsafe.Pointer(pHash)).FnEntry = (*TFts5Hash)(unsafe.Pointer(pHash)).FnEntry + 1 /* Add the first rowid field to the hash-entry */ **(**int32)(__ccgo_up(p + 24)) += _sqlite3Fts5PutVarint(tls, p+uintptr((*TFts5HashEntry)(unsafe.Pointer(p)).FnData), libc.Uint64FromInt64(iRowid)) (*TFts5HashEntry)(unsafe.Pointer(p)).FiRowid = iRowid (*TFts5HashEntry)(unsafe.Pointer(p)).FiSzPoslist = (*TFts5HashEntry)(unsafe.Pointer(p)).FnData if (*TFts5Hash)(unsafe.Pointer(pHash)).FeDetail != int32(FTS5_DETAIL_NONE) { **(**int32)(__ccgo_up(p + 24)) += int32(1) if (*TFts5Hash)(unsafe.Pointer(pHash)).FeDetail == FTS5_DETAIL_FULL { v2 = 0 } else { v2 = -int32(1) } (*TFts5HashEntry)(unsafe.Pointer(p)).FiCol = int16(v2) } } else { /* Appending to an existing hash-entry. Check that there is enough ** space to append the largest possible new entry. Worst case scenario ** is: ** ** + 9 bytes for a new rowid, ** + 4 byte reserved for the "poslist size" varint. ** + 1 byte for a "new column" byte, ** + 3 bytes for a new column number (16-bit max) as a varint, ** + 5 bytes for the new position offset (32-bit max). */ if (*TFts5HashEntry)(unsafe.Pointer(p)).FnAlloc-(*TFts5HashEntry)(unsafe.Pointer(p)).FnData < libc.Int32FromInt32(9)+libc.Int32FromInt32(4)+libc.Int32FromInt32(1)+libc.Int32FromInt32(3)+libc.Int32FromInt32(5) { nNew = int64((*TFts5HashEntry)(unsafe.Pointer(p)).FnAlloc * int32(2)) pNew = Xsqlite3_realloc64(tls, p, libc.Uint64FromInt64(nNew)) if pNew == uintptr(0) { return int32(SQLITE_NOMEM) } (*TFts5HashEntry)(unsafe.Pointer(pNew)).FnAlloc = int32(nNew) pp = (*TFts5Hash)(unsafe.Pointer(pHash)).FaSlot + uintptr(iHash)*8 for { if !(**(**uintptr)(__ccgo_up(pp)) != p) { break } goto _3 _3: ; pp = **(**uintptr)(__ccgo_up(pp)) } **(**uintptr)(__ccgo_up(pp)) = pNew p = pNew } nIncr = nIncr - (*TFts5HashEntry)(unsafe.Pointer(p)).FnData } pPtr = p /* If this is a new rowid, append the 4-byte size field for the previous ** entry, and the new rowid for this entry. */ if iRowid != (*TFts5HashEntry)(unsafe.Pointer(p)).FiRowid { iDiff = libc.Uint64FromInt64(iRowid) - libc.Uint64FromInt64((*TFts5HashEntry)(unsafe.Pointer(p)).FiRowid) _fts5HashAddPoslistSize(tls, pHash, p, uintptr(0)) **(**int32)(__ccgo_up(p + 24)) += _sqlite3Fts5PutVarint(tls, pPtr+uintptr((*TFts5HashEntry)(unsafe.Pointer(p)).FnData), iDiff) (*TFts5HashEntry)(unsafe.Pointer(p)).FiRowid = iRowid bNew = int32(1) (*TFts5HashEntry)(unsafe.Pointer(p)).FiSzPoslist = (*TFts5HashEntry)(unsafe.Pointer(p)).FnData if (*TFts5Hash)(unsafe.Pointer(pHash)).FeDetail != int32(FTS5_DETAIL_NONE) { **(**int32)(__ccgo_up(p + 24)) += int32(1) if (*TFts5Hash)(unsafe.Pointer(pHash)).FeDetail == FTS5_DETAIL_FULL { v2 = 0 } else { v2 = -int32(1) } (*TFts5HashEntry)(unsafe.Pointer(p)).FiCol = int16(v2) (*TFts5HashEntry)(unsafe.Pointer(p)).FiPos = 0 } } if iCol >= 0 { if (*TFts5Hash)(unsafe.Pointer(pHash)).FeDetail == int32(FTS5_DETAIL_NONE) { (*TFts5HashEntry)(unsafe.Pointer(p)).FbContent = uint8(1) } else { /* Append a new column value, if necessary */ if iCol != int32((*TFts5HashEntry)(unsafe.Pointer(p)).FiCol) { if (*TFts5Hash)(unsafe.Pointer(pHash)).FeDetail == FTS5_DETAIL_FULL { v6 = p + 24 v2 = *(*int32)(unsafe.Pointer(v6)) *(*int32)(unsafe.Pointer(v6)) = *(*int32)(unsafe.Pointer(v6)) + 1 **(**Tu8)(__ccgo_up(pPtr + uintptr(v2))) = uint8(0x01) **(**int32)(__ccgo_up(p + 24)) += _sqlite3Fts5PutVarint(tls, pPtr+uintptr((*TFts5HashEntry)(unsafe.Pointer(p)).FnData), libc.Uint64FromInt32(iCol)) (*TFts5HashEntry)(unsafe.Pointer(p)).FiCol = int16(iCol) (*TFts5HashEntry)(unsafe.Pointer(p)).FiPos = 0 } else { bNew = int32(1) v2 = iCol iPos = v2 (*TFts5HashEntry)(unsafe.Pointer(p)).FiCol = int16(v2) } } /* Append the new position offset, if necessary */ if bNew != 0 { **(**int32)(__ccgo_up(p + 24)) += _sqlite3Fts5PutVarint(tls, pPtr+uintptr((*TFts5HashEntry)(unsafe.Pointer(p)).FnData), libc.Uint64FromInt32(iPos-(*TFts5HashEntry)(unsafe.Pointer(p)).FiPos+int32(2))) (*TFts5HashEntry)(unsafe.Pointer(p)).FiPos = iPos } } } else { /* This is a delete. Set the delete flag. */ (*TFts5HashEntry)(unsafe.Pointer(p)).FbDel = uint8(1) } nIncr = nIncr + (*TFts5HashEntry)(unsafe.Pointer(p)).FnData **(**int32)(__ccgo_up((*TFts5Hash)(unsafe.Pointer(pHash)).FpnByte)) += nIncr return SQLITE_OK } // C documentation // // /* // ** Return a nul-terminated copy of the string indicated by pIn. If nIn // ** is non-negative, then it is the length of the string in bytes. Otherwise, // ** the length of the string is determined using strlen(). // ** // ** It is the responsibility of the caller to eventually free the returned // ** buffer using sqlite3_free(). If an OOM error occurs, NULL is returned. // */ func _sqlite3Fts5Strndup(tls *libc.TLS, pRc uintptr, pIn uintptr, nIn int32) (r uintptr) { var zRet uintptr _ = zRet zRet = uintptr(0) if **(**int32)(__ccgo_up(pRc)) == SQLITE_OK { if nIn < 0 { nIn = libc.Int32FromUint64(libc.Xstrlen(tls, pIn)) } zRet = Xsqlite3_malloc64(tls, libc.Uint64FromInt64(int64(nIn)+int64(1))) if zRet != 0 { libc.Xmemcpy(tls, zRet, pIn, libc.Uint64FromInt32(nIn)) **(**uint8)(__ccgo_up(zRet + uintptr(nIn))) = uint8('\000') } else { **(**int32)(__ccgo_up(pRc)) = int32(SQLITE_NOMEM) } } return zRet } func _sqlite3Fts5TermsetAdd(tls *libc.TLS, p uintptr, iIdx int32, pTerm uintptr, nTerm int32, pbPresent uintptr) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var hash Tu32 var i int32 var pEntry uintptr var _ /* rc at bp+0 */ int32 _, _, _ = hash, i, pEntry **(**int32)(__ccgo_up(bp)) = SQLITE_OK **(**int32)(__ccgo_up(pbPresent)) = 0 if p != 0 { hash = uint32(13) /* Calculate a hash value for this term. This is the same hash checksum ** used by the fts5_hash.c module. This is not important for correct ** operation of the module, but is necessary to ensure that some tests ** designed to produce hash table collisions really do work. */ i = nTerm - int32(1) for { if !(i >= 0) { break } hash = hash<= 0 && c <= int32(9)) { break } v = v*int64(10) + int64(c) goto _2 _2: ; i = i + 1 } /* The longest decimal representation of a 32 bit integer is 10 digits: ** ** 1234567890 ** 2^31 -> 2147483648 */ if i > int32(10) { return 0 } if v-int64(neg) > int64(2147483647) { return 0 } if neg != 0 { v = -v } **(**int32)(__ccgo_up(pValue)) = int32(v) return int32(1) } // C documentation // // /* // ** Insert a new FuncDef into a FuncDefHash hash table. // */ func _sqlite3InsertBuiltinFuncs(tls *libc.TLS, aDef uintptr, nDef int32) { var h, i, nName int32 var pOther, zName uintptr _, _, _, _, _ = h, i, nName, pOther, zName i = 0 for { if !(i < nDef) { break } zName = (**(**TFuncDef)(__ccgo_up(aDef + uintptr(i)*72))).FzName nName = _sqlite3Strlen30(tls, zName) h = (libc.Int32FromUint8(**(**uint8)(__ccgo_up(zName))) + nName) % int32(SQLITE_FUNC_HASH_SZ) pOther = _sqlite3FunctionSearch(tls, h, zName) if pOther != 0 { (**(**TFuncDef)(__ccgo_up(aDef + uintptr(i)*72))).FpNext = (*TFuncDef)(unsafe.Pointer(pOther)).FpNext (*TFuncDef)(unsafe.Pointer(pOther)).FpNext = aDef + uintptr(i)*72 } else { (**(**TFuncDef)(__ccgo_up(aDef + uintptr(i)*72))).FpNext = uintptr(0) *(*uintptr)(unsafe.Pointer(aDef + uintptr(i)*72 + 64)) = **(**uintptr)(__ccgo_up(uintptr(unsafe.Pointer(&_sqlite3BuiltinFunctions)) + uintptr(h)*8)) **(**uintptr)(__ccgo_up(uintptr(unsafe.Pointer(&_sqlite3BuiltinFunctions)) + uintptr(h)*8)) = aDef + uintptr(i)*72 } goto _1 _1: ; i = i + 1 } } // C documentation // // /* // ** Render an signed 64-bit integer as text. Store the result in zOut[] and // ** return the length of the string that was stored, in bytes. The value // ** returned does not include the zero terminator at the end of the output // ** string. // ** // ** The caller must ensure that zOut[] is at least 21 bytes in size. // */ func _sqlite3Int64ToText(tls *libc.TLS, v Ti64, zOut uintptr) (r int32) { bp := tls.Alloc(32) defer tls.Free(32) var i, kk, v2 int32 var x Tu64 var v1 uint64 var _ /* u at bp+0 */ struct { FforceAlignment [0]Tu16 Fa [21]uint8 F__ccgo_pad2 [1]byte } _, _, _, _, _ = i, kk, x, v1, v2 if v > 0 { x = libc.Uint64FromInt64(v) } else { if v == 0 { **(**uint8)(__ccgo_up(zOut)) = uint8('0') **(**uint8)(__ccgo_up(zOut + 1)) = uint8(0) return int32(1) } else { if v == int64(-libc.Int32FromInt32(1))-(libc.Int64FromUint32(0xffffffff)|libc.Int64FromInt32(0x7fffffff)<= uint64(10) { kk = libc.Int32FromUint64(x % uint64(100) * uint64(2)) **(**Tu16)(__ccgo_up(bp + uintptr(i-int32(2)))) = **(**Tu16)(__ccgo_up(uintptr(unsafe.Pointer(&_sqlite3DigitPairs)) + uintptr(kk))) i = i - int32(2) x = x / uint64(100) } if x != 0 { i = i - 1 v2 = i **(**uint8)(__ccgo_up(bp + uintptr(v2))) = uint8(x + uint64('0')) } if v < 0 { i = i - 1 v2 = i **(**uint8)(__ccgo_up(bp + uintptr(v2))) = uint8('-') } libc.Xmemcpy(tls, zOut, bp+uintptr(i), uint64(21)-libc.Uint64FromInt32(i)) return libc.Int32FromUint64(libc.Uint64FromInt64(21) - libc.Uint64FromInt32(1) - libc.Uint64FromInt32(i)) } // C documentation // // /* // ** pExpr points to an expression which implements a function. If // ** it is appropriate to apply the LIKE optimization to that function // ** then set aWc[0] through aWc[2] to the wildcard characters and the // ** escape character and then return TRUE. If the function is not a // ** LIKE-style function then return FALSE. // ** // ** The expression "a LIKE b ESCAPE c" is only considered a valid LIKE // ** operator if c is a string literal that is exactly one byte in length. // ** That one byte is stored in aWc[3]. aWc[3] is set to zero if there is // ** no ESCAPE clause. // ** // ** *pIsNocase is set to true if uppercase and lowercase are equivalent for // ** the function (default for LIKE). If the function makes the distinction // ** between uppercase and lowercase (as does GLOB) then *pIsNocase is set to // ** false. // */ func _sqlite3IsLikeFunction(tls *libc.TLS, db uintptr, pExpr uintptr, pIsNocase uintptr, aWc uintptr) (r int32) { var nExpr int32 var pDef, pEscape, zEscape uintptr _, _, _, _ = nExpr, pDef, pEscape, zEscape if !(*(*uintptr)(unsafe.Pointer(pExpr + 32)) != 0) { return 0 } nExpr = (*TExprList)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pExpr + 32)))).FnExpr pDef = _sqlite3FindFunction(tls, db, *(*uintptr)(unsafe.Pointer(pExpr + 8)), nExpr, uint8(SQLITE_UTF8), uint8(0)) if pDef == uintptr(0) || (*TFuncDef)(unsafe.Pointer(pDef)).FfuncFlags&uint32(SQLITE_FUNC_LIKE) == uint32(0) { return 0 } /* The memcpy() statement assumes that the wildcard characters are ** the first three statements in the compareInfo structure. The ** asserts() that follow verify that assumption */ libc.Xmemcpy(tls, aWc, (*TFuncDef)(unsafe.Pointer(pDef)).FpUserData, uint64(3)) if nExpr < int32(3) { **(**uint8)(__ccgo_up(aWc + 3)) = uint8(0) } else { pEscape = (*(*TExprList_item)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pExpr + 32)) + 8 + 2*32))).FpExpr if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pEscape)).Fop) != int32(TK_STRING) { return 0 } zEscape = *(*uintptr)(unsafe.Pointer(pEscape + 8)) if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zEscape))) == 0 || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zEscape + 1))) != 0 { return 0 } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zEscape))) == libc.Int32FromUint8(**(**uint8)(__ccgo_up(aWc))) { return 0 } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zEscape))) == libc.Int32FromUint8(**(**uint8)(__ccgo_up(aWc + 1))) { return 0 } **(**uint8)(__ccgo_up(aWc + 3)) = **(**uint8)(__ccgo_up(zEscape)) } **(**int32)(__ccgo_up(pIsNocase)) = libc.BoolInt32((*TFuncDef)(unsafe.Pointer(pDef)).FfuncFlags&uint32(SQLITE_FUNC_CASE) == uint32(0)) return int32(1) } /* Mathematical Constants */ // C documentation // // /* // ** Return true if pTab is a virtual table and zName is a shadow table name // ** for that virtual table. // */ func _sqlite3IsShadowTableOf(tls *libc.TLS, db uintptr, pTab uintptr, zName uintptr) (r int32) { var nName int32 var pMod uintptr _, _ = nName, pMod /* Module for the virtual table */ if !(libc.Int32FromUint8((*TTable)(unsafe.Pointer(pTab)).FeTabType) == libc.Int32FromInt32(TABTYP_VTAB)) { return 0 } nName = _sqlite3Strlen30(tls, (*TTable)(unsafe.Pointer(pTab)).FzName) if Xsqlite3_strnicmp(tls, zName, (*TTable)(unsafe.Pointer(pTab)).FzName, nName) != 0 { return 0 } if libc.Int32FromUint8(**(**uint8)(__ccgo_up(zName + uintptr(nName)))) != int32('_') { return 0 } pMod = _sqlite3HashFind(tls, db+576, **(**uintptr)(__ccgo_up((*(*struct { FnArg int32 FazArg uintptr Fp uintptr })(unsafe.Pointer(pTab + 64))).FazArg))) if pMod == uintptr(0) { return 0 } if (*Tsqlite3_module)(unsafe.Pointer((*TModule)(unsafe.Pointer(pMod)).FpModule)).FiVersion < int32(3) { return 0 } if (*Tsqlite3_module)(unsafe.Pointer((*TModule)(unsafe.Pointer(pMod)).FpModule)).FxShadowName == uintptr(0) { return 0 } return (*(*func(*libc.TLS, uintptr) int32)(unsafe.Pointer(&struct{ uintptr }{(*Tsqlite3_module)(unsafe.Pointer((*TModule)(unsafe.Pointer(pMod)).FpModule)).FxShadowName})))(tls, zName+uintptr(nName)+uintptr(1)) } // C documentation // // /* // ** Table pTab is a virtual table. If it the virtual table implementation // ** exists and has an xShadowName method, then loop over all other ordinary // ** tables within the same schema looking for shadow tables of pTab, and mark // ** any shadow tables seen using the TF_Shadow flag. // */ func _sqlite3MarkAllShadowTablesOf(tls *libc.TLS, db uintptr, pTab uintptr) { var k, pMod, pOther uintptr var nName int32 _, _, _, _ = k, nName, pMod, pOther /* For looping through the symbol table */ pMod = _sqlite3HashFind(tls, db+576, **(**uintptr)(__ccgo_up((*(*struct { FnArg int32 FazArg uintptr Fp uintptr })(unsafe.Pointer(pTab + 64))).FazArg))) if pMod == uintptr(0) { return } if (*TModule)(unsafe.Pointer(pMod)).FpModule == uintptr(0) { return } if (*Tsqlite3_module)(unsafe.Pointer((*TModule)(unsafe.Pointer(pMod)).FpModule)).FiVersion < int32(3) { return } if (*Tsqlite3_module)(unsafe.Pointer((*TModule)(unsafe.Pointer(pMod)).FpModule)).FxShadowName == uintptr(0) { return } nName = _sqlite3Strlen30(tls, (*TTable)(unsafe.Pointer(pTab)).FzName) k = (*THash)(unsafe.Pointer((*TTable)(unsafe.Pointer(pTab)).FpSchema + 8)).Ffirst for { if !(k != 0) { break } pOther = (*THashElem)(unsafe.Pointer(k)).Fdata if !(libc.Int32FromUint8((*TTable)(unsafe.Pointer(pOther)).FeTabType) == libc.Int32FromInt32(TABTYP_NORM)) { goto _1 } if (*TTable)(unsafe.Pointer(pOther)).FtabFlags&uint32(TF_Shadow) != 0 { goto _1 } if Xsqlite3_strnicmp(tls, (*TTable)(unsafe.Pointer(pOther)).FzName, (*TTable)(unsafe.Pointer(pTab)).FzName, nName) == 0 && libc.Int32FromUint8(**(**uint8)(__ccgo_up((*TTable)(unsafe.Pointer(pOther)).FzName + uintptr(nName)))) == int32('_') && (*(*func(*libc.TLS, uintptr) int32)(unsafe.Pointer(&struct{ uintptr }{(*Tsqlite3_module)(unsafe.Pointer((*TModule)(unsafe.Pointer(pMod)).FpModule)).FxShadowName})))(tls, (*TTable)(unsafe.Pointer(pOther)).FzName+uintptr(nName)+uintptr(1)) != 0 { **(**Tu32)(__ccgo_up(pOther + 48)) |= uint32(TF_Shadow) } goto _1 _1: ; k = (*THashElem)(unsafe.Pointer(k)).Fnext } } // C documentation // // /* // ** Subqueries store the original database, table and column names for their // ** result sets in ExprList.a[].zSpan, in the form "DATABASE.TABLE.COLUMN", // ** and mark the expression-list item by setting ExprList.a[].fg.eEName // ** to ENAME_TAB. // ** // ** Check to see if the zSpan/eEName of the expression-list item passed to this // ** routine matches the zDb, zTab, and zCol. If any of zDb, zTab, and zCol are // ** NULL then those fields will match anything. Return true if there is a match, // ** or false otherwise. // ** // ** SF_NestedFrom subqueries also store an entry for the implicit rowid (or // ** _rowid_, or oid) column by setting ExprList.a[].fg.eEName to ENAME_ROWID, // ** and setting zSpan to "DATABASE.TABLE.". This type of pItem // ** argument matches if zCol is a rowid alias. If it is not NULL, (*pbRowid) // ** is set to 1 if there is this kind of match. // */ func _sqlite3MatchEName(tls *libc.TLS, pItem uintptr, zCol uintptr, zTab uintptr, zDb uintptr, pbRowid uintptr) (r int32) { var eEName, n int32 var zSpan uintptr _, _, _ = eEName, n, zSpan eEName = int32(uint32(*(*uint16)(unsafe.Pointer(pItem + 16 + 4)) & 0x3 >> 0)) if eEName != int32(ENAME_TAB) && (eEName != int32(ENAME_ROWID) || pbRowid == uintptr(0)) { return 0 } zSpan = (*TExprList_item)(unsafe.Pointer(pItem)).FzEName n = 0 for { if !(**(**uint8)(__ccgo_up(zSpan + uintptr(n))) != 0 && libc.Int32FromUint8(**(**uint8)(__ccgo_up(zSpan + uintptr(n)))) != int32('.')) { break } goto _1 _1: ; n = n + 1 } if zDb != 0 && (Xsqlite3_strnicmp(tls, zSpan, zDb, n) != 0 || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zDb + uintptr(n)))) != 0) { return 0 } zSpan = zSpan + uintptr(n+int32(1)) n = 0 for { if !(**(**uint8)(__ccgo_up(zSpan + uintptr(n))) != 0 && libc.Int32FromUint8(**(**uint8)(__ccgo_up(zSpan + uintptr(n)))) != int32('.')) { break } goto _2 _2: ; n = n + 1 } if zTab != 0 && (Xsqlite3_strnicmp(tls, zSpan, zTab, n) != 0 || libc.Int32FromUint8(**(**uint8)(__ccgo_up(zTab + uintptr(n)))) != 0) { return 0 } zSpan = zSpan + uintptr(n+int32(1)) if zCol != 0 { if eEName == int32(ENAME_TAB) && _sqlite3StrICmp(tls, zSpan, zCol) != 0 { return 0 } if eEName == int32(ENAME_ROWID) && _sqlite3IsRowid(tls, zCol) == 0 { return 0 } } if eEName == int32(ENAME_ROWID) { **(**int32)(__ccgo_up(pbRowid)) = int32(1) } return int32(1) } // C documentation // // /* // ** Run the parser and code generator recursively in order to generate // ** code for the SQL statement given onto the end of the pParse context // ** currently under construction. Notes: // ** // ** * The final OP_Halt is not appended and other initialization // ** and finalization steps are omitted because those are handling by the // ** outermost parser. // ** // ** * Built-in SQL functions always take precedence over application-defined // ** SQL functions. In other words, it is not possible to override a // ** built-in function. // */ func _sqlite3NestedParse(tls *libc.TLS, pParse uintptr, zFormat uintptr, va uintptr) { bp := tls.Alloc(144) defer tls.Free(144) var ap Tva_list var db, zSql uintptr var savedDbFlags Tu32 var _ /* saveBuf at bp+0 */ [136]uint8 _, _, _, _ = ap, db, savedDbFlags, zSql db = (*TParse)(unsafe.Pointer(pParse)).Fdb savedDbFlags = (*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags if (*TParse)(unsafe.Pointer(pParse)).FnErr != 0 { return } if (*TParse)(unsafe.Pointer(pParse)).FeParseMode != 0 { return } /* Nesting should only be of limited depth */ ap = va zSql = _sqlite3VMPrintf(tls, db, zFormat, ap) _ = ap if zSql == uintptr(0) { /* This can result either from an OOM or because the formatted string ** exceeds SQLITE_LIMIT_LENGTH. In the latter case, we need to set ** an error */ if !((*Tsqlite3)(unsafe.Pointer(db)).FmallocFailed != 0) { (*TParse)(unsafe.Pointer(pParse)).Frc = int32(SQLITE_TOOBIG) } (*TParse)(unsafe.Pointer(pParse)).FnErr = (*TParse)(unsafe.Pointer(pParse)).FnErr + 1 return } (*TParse)(unsafe.Pointer(pParse)).Fnested = (*TParse)(unsafe.Pointer(pParse)).Fnested + 1 libc.Xmemcpy(tls, bp, pParse+uintptr(uint64(libc.UintptrFromInt32(0)+288)), libc.Uint64FromInt64(424)-uint64(libc.UintptrFromInt32(0)+288)) libc.Xmemset(tls, pParse+uintptr(uint64(libc.UintptrFromInt32(0)+288)), 0, libc.Uint64FromInt64(424)-uint64(libc.UintptrFromInt32(0)+288)) **(**Tu32)(__ccgo_up(db + 44)) |= uint32(DBFLAG_PreferBuiltin) _sqlite3RunParser(tls, pParse, zSql) (*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags = savedDbFlags _sqlite3DbFree(tls, db, zSql) libc.Xmemcpy(tls, pParse+uintptr(uint64(libc.UintptrFromInt32(0)+288)), bp, libc.Uint64FromInt64(424)-uint64(libc.UintptrFromInt32(0)+288)) (*TParse)(unsafe.Pointer(pParse)).Fnested = (*TParse)(unsafe.Pointer(pParse)).Fnested - 1 } // C documentation // // /* // ** This function is used to allocate and populate UnpackedRecord // ** structures intended to be compared against sample index keys stored // ** in the sqlite_stat4 table. // ** // ** A single call to this function populates zero or more fields of the // ** record starting with field iVal (fields are numbered from left to // ** right starting with 0). A single field is populated if: // ** // ** * (pExpr==0). In this case the value is assumed to be an SQL NULL, // ** // ** * The expression is a bound variable, and this is a reprepare, or // ** // ** * The sqlite3ValueFromExpr() function is able to extract a value // ** from the expression (i.e. the expression is a literal value). // ** // ** Or, if pExpr is a TK_VECTOR, one field is populated for each of the // ** vector components that match either of the two latter criteria listed // ** above. // ** // ** Before any value is appended to the record, the affinity of the // ** corresponding column within index pIdx is applied to it. Before // ** this function returns, output parameter *pnExtract is set to the // ** number of values appended to the record. // ** // ** When this function is called, *ppRec must either point to an object // ** allocated by an earlier call to this function, or must be NULL. If it // ** is NULL and a value can be successfully extracted, a new UnpackedRecord // ** is allocated (and *ppRec set to point to it) before returning. // ** // ** Unless an error is encountered, SQLITE_OK is returned. It is not an // ** error if a value cannot be extracted from pExpr. If an error does // ** occur, an SQLite error code is returned. // */ func _sqlite3Stat4ProbeSetValue(tls *libc.TLS, pParse uintptr, pIdx uintptr, ppRec uintptr, pExpr uintptr, nElem int32, iVal int32, pnExtract uintptr) (r int32) { bp := tls.Alloc(48) defer tls.Free(48) var aff Tu8 var i, nExtract, rc int32 var pElem, v2 uintptr var _ /* alloc at bp+0 */ TValueNewStat4Ctx var _ /* pVal at bp+32 */ uintptr _, _, _, _, _, _ = aff, i, nExtract, pElem, rc, v2 rc = SQLITE_OK nExtract = 0 if pExpr == uintptr(0) || libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pExpr)).Fop) != int32(TK_SELECT) { (**(**TValueNewStat4Ctx)(__ccgo_up(bp))).FpParse = pParse (**(**TValueNewStat4Ctx)(__ccgo_up(bp))).FpIdx = pIdx (**(**TValueNewStat4Ctx)(__ccgo_up(bp))).FppRec = ppRec i = 0 for { if !(i < nElem) { break } **(**uintptr)(__ccgo_up(bp + 32)) = uintptr(0) if pExpr != 0 { v2 = _sqlite3VectorFieldSubexpr(tls, pExpr, i) } else { v2 = uintptr(0) } pElem = v2 aff = _sqlite3IndexColumnAffinity(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, pIdx, iVal+i) (**(**TValueNewStat4Ctx)(__ccgo_up(bp))).FiVal = iVal + i rc = _stat4ValueFromExpr(tls, pParse, pElem, aff, bp, bp+32) if !(**(**uintptr)(__ccgo_up(bp + 32)) != 0) { break } nExtract = nExtract + 1 goto _1 _1: ; i = i + 1 } } **(**int32)(__ccgo_up(pnExtract)) = nExtract return rc } // C documentation // // /* // ** Compute an affinity string for a table. Space is obtained // ** from sqlite3DbMalloc(). The caller is responsible for freeing // ** the space when done. // */ func _sqlite3TableAffinityStr(tls *libc.TLS, db uintptr, pTab uintptr) (r uintptr) { var i, j, v2, v3 int32 var zColAff uintptr _, _, _, _, _ = i, j, zColAff, v2, v3 zColAff = _sqlite3DbMallocRaw(tls, db, libc.Uint64FromInt32(int32((*TTable)(unsafe.Pointer(pTab)).FnCol)+int32(1))) if zColAff != 0 { v2 = libc.Int32FromInt32(0) j = v2 i = v2 for { if !(i < int32((*TTable)(unsafe.Pointer(pTab)).FnCol)) { break } if libc.Int32FromUint16((**(**TColumn)(__ccgo_up((*TTable)(unsafe.Pointer(pTab)).FaCol + uintptr(i)*16))).FcolFlags)&int32(COLFLAG_VIRTUAL) == 0 { v3 = j j = j + 1 **(**uint8)(__ccgo_up(zColAff + uintptr(v3))) = (**(**TColumn)(__ccgo_up((*TTable)(unsafe.Pointer(pTab)).FaCol + uintptr(i)*16))).Faffinity } goto _1 _1: ; i = i + 1 } for cond := true; cond; cond = j >= 0 && libc.Int32FromUint8(**(**uint8)(__ccgo_up(zColAff + uintptr(j)))) <= int32(SQLITE_AFF_BLOB) { v2 = j j = j - 1 **(**uint8)(__ccgo_up(zColAff + uintptr(v2))) = uint8(0) } } return zColAff } // C documentation // // /* // ** Return the affinity character for a single column of a table. // */ func _sqlite3TableColumnAffinity(tls *libc.TLS, pTab uintptr, iCol int32) (r uint8) { if iCol < 0 || iCol >= int32((*TTable)(unsafe.Pointer(pTab)).FnCol) { return uint8(SQLITE_AFF_INTEGER) } return (**(**TColumn)(__ccgo_up((*TTable)(unsafe.Pointer(pTab)).FaCol + uintptr(iCol)*16))).Faffinity } // C documentation // // /* // ** Add a new name/number pair to a VList. This might require that the // ** VList object be reallocated, so return the new VList. If an OOM // ** error occurs, the original VList returned and the // ** db->mallocFailed flag is set. // ** // ** A VList is really just an array of integers. To destroy a VList, // ** simply pass it to sqlite3DbFree(). // ** // ** The first integer is the number of integers allocated for the whole // ** VList. The second integer is the number of integers actually used. // ** Each name/number pair is encoded by subsequent groups of 3 or more // ** integers. // ** // ** Each name/number pair starts with two integers which are the numeric // ** value for the pair and the size of the name/number pair, respectively. // ** The text name overlays one or more following integers. The text name // ** is always zero-terminated. // ** // ** Conceptually: // ** // ** struct VList { // ** int nAlloc; // Number of allocated slots // ** int nUsed; // Number of used slots // ** struct VListEntry { // ** int iValue; // Value for this entry // ** int nSlot; // Slots used by this entry // ** // ... variable name goes here // ** } a[0]; // ** } // ** // ** During code generation, pointers to the variable names within the // ** VList are taken. When that happens, nAlloc is set to zero as an // ** indication that the VList may never again be enlarged, since the // ** accompanying realloc() would invalidate the pointers. // */ func _sqlite3VListAdd(tls *libc.TLS, db uintptr, pIn uintptr, zName uintptr, nName int32, iVal int32) (r uintptr) { var i, nInt int32 var nAlloc Tsqlite3_int64 var pOut, z uintptr var v1 int64 _, _, _, _, _, _ = i, nAlloc, nInt, pOut, z, v1 /* Index in pIn[] where zName is stored */ nInt = nName/int32(4) + int32(3) /* Verify ok to add new elements */ if pIn == uintptr(0) || **(**TVList)(__ccgo_up(pIn + 1*4))+nInt > **(**TVList)(__ccgo_up(pIn)) { if pIn != 0 { v1 = int64(2) * int64(**(**TVList)(__ccgo_up(pIn))) } else { v1 = int64(10) } /* Enlarge the allocation */ nAlloc = v1 + int64(nInt) pOut = _sqlite3DbRealloc(tls, db, pIn, libc.Uint64FromInt64(nAlloc)*uint64(4)) if pOut == uintptr(0) { return pIn } if pIn == uintptr(0) { **(**TVList)(__ccgo_up(pOut + 1*4)) = int32(2) } pIn = pOut **(**TVList)(__ccgo_up(pIn)) = int32(nAlloc) } i = **(**TVList)(__ccgo_up(pIn + 1*4)) **(**TVList)(__ccgo_up(pIn + uintptr(i)*4)) = iVal **(**TVList)(__ccgo_up(pIn + uintptr(i+int32(1))*4)) = nInt z = pIn + uintptr(i+int32(2))*4 **(**TVList)(__ccgo_up(pIn + 1*4)) = i + nInt libc.Xmemcpy(tls, z, zName, libc.Uint64FromInt32(nName)) **(**uint8)(__ccgo_up(z + uintptr(nName))) = uint8(0) return pIn } // C documentation // // /* // ** Return the number of the variable named zName, if it is in VList. // ** or return 0 if there is no such variable. // */ func _sqlite3VListNameToNum(tls *libc.TLS, pIn uintptr, zName uintptr, nName int32) (r int32) { var i, mx int32 var z uintptr _, _, _ = i, mx, z if pIn == uintptr(0) { return 0 } mx = **(**TVList)(__ccgo_up(pIn + 1*4)) i = int32(2) for cond := true; cond; cond = i < mx { z = pIn + uintptr(i+int32(2))*4 if libc.Xstrncmp(tls, z, zName, libc.Uint64FromInt32(nName)) == 0 && libc.Int32FromUint8(**(**uint8)(__ccgo_up(z + uintptr(nName)))) == 0 { return **(**TVList)(__ccgo_up(pIn + uintptr(i)*4)) } i = i + **(**TVList)(__ccgo_up(pIn + uintptr(i+int32(1))*4)) } return 0 } /************** End of util.c ************************************************/ /************** Begin file hash.c ********************************************/ /* ** 2001 September 22 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This is the implementation of generic hash-tables ** used in SQLite. */ /* #include "sqliteInt.h" */ /* #include */ // C documentation // // /* // ** Print into memory obtained from sqliteMalloc(). Use the internal // ** %-conversion extensions. // */ func _sqlite3VMPrintf(tls *libc.TLS, db uintptr, zFormat uintptr, ap Tva_list) (r uintptr) { bp := tls.Alloc(112) defer tls.Free(112) var z uintptr var _ /* acc at bp+72 */ TStrAccum var _ /* zBase at bp+0 */ [70]uint8 _ = z _sqlite3StrAccumInit(tls, bp+72, db, bp, int32(70), **(**int32)(__ccgo_up(db + 136))) (**(**TStrAccum)(__ccgo_up(bp + 72))).FprintfFlags = uint8(SQLITE_PRINTF_INTERNAL) Xsqlite3_str_vappendf(tls, bp+72, zFormat, ap) z = _sqlite3StrAccumFinish(tls, bp+72) if libc.Int32FromUint8((**(**TStrAccum)(__ccgo_up(bp + 72))).FaccError) == int32(SQLITE_NOMEM) { _sqlite3OomFault(tls, db) } return z } // C documentation // // /* // ** This routine checks for a byte-order mark at the beginning of the // ** UTF-16 string stored in *pMem. If one is present, it is removed and // ** the encoding of the Mem adjusted. This routine does not do any // ** byte-swapping, it just sets Mem.enc appropriately. // ** // ** The allocation (static, dynamic etc.) and encoding of the Mem may be // ** changed by this function. // */ func _sqlite3VdbeMemHandleBom(tls *libc.TLS, pMem uintptr) (r int32) { var b1, b2, bom Tu8 var rc int32 var v1 uintptr _, _, _, _, _ = b1, b2, bom, rc, v1 rc = SQLITE_OK bom = uint8(0) if (*TMem)(unsafe.Pointer(pMem)).Fn > int32(1) { b1 = **(**Tu8)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fz)) b2 = **(**Tu8)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fz + libc.UintptrFromInt32(1))) if libc.Int32FromUint8(b1) == int32(0xFE) && libc.Int32FromUint8(b2) == int32(0xFF) { bom = uint8(SQLITE_UTF16BE) } if libc.Int32FromUint8(b1) == int32(0xFF) && libc.Int32FromUint8(b2) == int32(0xFE) { bom = uint8(SQLITE_UTF16LE) } } if bom != 0 { rc = _sqlite3VdbeMemMakeWriteable(tls, pMem) if rc == SQLITE_OK { **(**int32)(__ccgo_up(pMem + 16)) -= int32(2) libc.Xmemmove(tls, (*TMem)(unsafe.Pointer(pMem)).Fz, (*TMem)(unsafe.Pointer(pMem)).Fz+2, libc.Uint64FromInt32((*TMem)(unsafe.Pointer(pMem)).Fn)) **(**uint8)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fz + uintptr((*TMem)(unsafe.Pointer(pMem)).Fn))) = uint8('\000') **(**uint8)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fz + uintptr((*TMem)(unsafe.Pointer(pMem)).Fn+int32(1)))) = uint8('\000') v1 = pMem + 20 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) | libc.Int32FromInt32(MEM_Term)) (*TMem)(unsafe.Pointer(pMem)).Fenc = bom } } return rc } // C documentation // // /* // ** Change the value of a Mem to be a string or a BLOB. // ** // ** The memory management strategy depends on the value of the xDel // ** parameter. If the value passed is SQLITE_TRANSIENT, then the // ** string is copied into a (possibly existing) buffer managed by the // ** Mem structure. Otherwise, any existing buffer is freed and the // ** pointer copied. // ** // ** If the string is too large (if it exceeds the SQLITE_LIMIT_LENGTH // ** size limit) then no memory allocation occurs. If the string can be // ** stored without allocating memory, then it is. If a memory allocation // ** is required to store the string, then value of pMem is unchanged. In // ** either case, SQLITE_TOOBIG is returned. // ** // ** The "enc" parameter is the text encoding for the string, or zero // ** to store a blob. // ** // ** If n is negative, then the string consists of all bytes up to but // ** excluding the first zero character. The n parameter must be // ** non-negative for blobs. // */ func _sqlite3VdbeMemSetStr(tls *libc.TLS, pMem uintptr, z uintptr, n Ti64, enc Tu8, __ccgo_fp_xDel uintptr) (r int32) { var flags Tu16 var iLimit, v2 int32 var nAlloc, nByte Ti64 var v3 int64 _, _, _, _, _, _ = flags, iLimit, nAlloc, nByte, v2, v3 nByte = n /* New value for pMem->flags */ /* If z is a NULL pointer, set pMem to contain an SQL NULL. */ if !(z != 0) { _sqlite3VdbeMemSetNull(tls, pMem) return SQLITE_OK } if (*TMem)(unsafe.Pointer(pMem)).Fdb != 0 { iLimit = **(**int32)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fdb + 136)) } else { iLimit = int32(SQLITE_MAX_LENGTH) } if nByte < 0 { if libc.Int32FromUint8(enc) == int32(SQLITE_UTF8) { nByte = libc.Int64FromUint64(libc.Xstrlen(tls, z)) } else { nByte = 0 for { if !(nByte <= int64(iLimit) && libc.Int32FromUint8(**(**uint8)(__ccgo_up(z + uintptr(nByte))))|libc.Int32FromUint8(**(**uint8)(__ccgo_up(z + uintptr(nByte+int64(1))))) != 0) { break } goto _1 _1: ; nByte = nByte + int64(2) } } flags = libc.Uint16FromInt32(libc.Int32FromInt32(MEM_Str) | libc.Int32FromInt32(MEM_Term)) } else { if libc.Int32FromUint8(enc) == 0 { flags = uint16(MEM_Blob) enc = uint8(SQLITE_UTF8) } else { flags = uint16(MEM_Str) } } if nByte > int64(iLimit) { if __ccgo_fp_xDel != 0 && __ccgo_fp_xDel != uintptr(-libc.Int32FromInt32(1)) { if __ccgo_fp_xDel == __ccgo_fp(_sqlite3RowSetClear) { _sqlite3DbFree(tls, (*TMem)(unsafe.Pointer(pMem)).Fdb, z) } else { (*(*func(*libc.TLS, uintptr))(unsafe.Pointer(&struct{ uintptr }{__ccgo_fp_xDel})))(tls, z) } } _sqlite3VdbeMemSetNull(tls, pMem) return _sqlite3ErrorToParser(tls, (*TMem)(unsafe.Pointer(pMem)).Fdb, int32(SQLITE_TOOBIG)) } /* The following block sets the new values of Mem.z and Mem.xDel. It ** also sets a flag in local variable "flags" to indicate the memory ** management (one of MEM_Dyn or MEM_Static). */ if __ccgo_fp_xDel == uintptr(-libc.Int32FromInt32(1)) { nAlloc = nByte if libc.Int32FromUint16(flags)&int32(MEM_Term) != 0 { if libc.Int32FromUint8(enc) == int32(SQLITE_UTF8) { v2 = int32(1) } else { v2 = int32(2) } nAlloc = nAlloc + int64(v2) } if nAlloc > int64(libc.Int32FromInt32(32)) { v3 = nAlloc } else { v3 = int64(libc.Int32FromInt32(32)) } if _sqlite3VdbeMemClearAndResize(tls, pMem, int32(v3)) != 0 { return int32(SQLITE_NOMEM) } libc.Xmemcpy(tls, (*TMem)(unsafe.Pointer(pMem)).Fz, z, libc.Uint64FromInt64(nAlloc)) } else { _sqlite3VdbeMemRelease(tls, pMem) (*TMem)(unsafe.Pointer(pMem)).Fz = z if __ccgo_fp_xDel == __ccgo_fp(_sqlite3RowSetClear) { (*TMem)(unsafe.Pointer(pMem)).FzMalloc = (*TMem)(unsafe.Pointer(pMem)).Fz (*TMem)(unsafe.Pointer(pMem)).FszMalloc = _sqlite3DbMallocSize(tls, (*TMem)(unsafe.Pointer(pMem)).Fdb, (*TMem)(unsafe.Pointer(pMem)).FzMalloc) } else { (*TMem)(unsafe.Pointer(pMem)).FxDel = __ccgo_fp_xDel if __ccgo_fp_xDel == libc.UintptrFromInt32(0) { v2 = int32(MEM_Static) } else { v2 = int32(MEM_Dyn) } flags = libc.Uint16FromInt32(int32(flags) | v2) } } (*TMem)(unsafe.Pointer(pMem)).Fn = int32(nByte & libc.Int64FromInt32(0x7fffffff)) (*TMem)(unsafe.Pointer(pMem)).Fflags = flags (*TMem)(unsafe.Pointer(pMem)).Fenc = enc if libc.Int32FromUint8(enc) > int32(SQLITE_UTF8) && _sqlite3VdbeMemHandleBom(tls, pMem) != 0 { return int32(SQLITE_NOMEM) } return SQLITE_OK } // C documentation // // /* Like sqlite3VdbeMemSetStr() except: // ** // ** enc is always SQLITE_UTF8 // ** pMem->db is always non-NULL // */ func _sqlite3VdbeMemSetText(tls *libc.TLS, pMem uintptr, z uintptr, n Ti64, __ccgo_fp_xDel uintptr) (r int32) { var flags Tu16 var nAlloc, nByte Ti64 var v1 int64 _, _, _, _ = flags, nAlloc, nByte, v1 nByte = n /* If z is a NULL pointer, set pMem to contain an SQL NULL. */ if !(z != 0) { _sqlite3VdbeMemSetNull(tls, pMem) return SQLITE_OK } if nByte < 0 { nByte = libc.Int64FromUint64(libc.Xstrlen(tls, z)) flags = libc.Uint16FromInt32(libc.Int32FromInt32(MEM_Str) | libc.Int32FromInt32(MEM_Term)) } else { flags = uint16(MEM_Str) } if nByte > int64(**(**int32)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fdb + 136))) { if __ccgo_fp_xDel != 0 && __ccgo_fp_xDel != uintptr(-libc.Int32FromInt32(1)) { if __ccgo_fp_xDel == __ccgo_fp(_sqlite3RowSetClear) { _sqlite3DbFree(tls, (*TMem)(unsafe.Pointer(pMem)).Fdb, z) } else { (*(*func(*libc.TLS, uintptr))(unsafe.Pointer(&struct{ uintptr }{__ccgo_fp_xDel})))(tls, z) } } _sqlite3VdbeMemSetNull(tls, pMem) return _sqlite3ErrorToParser(tls, (*TMem)(unsafe.Pointer(pMem)).Fdb, int32(SQLITE_TOOBIG)) } /* The following block sets the new values of Mem.z and Mem.xDel. It ** also sets a flag in local variable "flags" to indicate the memory ** management (one of MEM_Dyn or MEM_Static). */ if __ccgo_fp_xDel == uintptr(-libc.Int32FromInt32(1)) { nAlloc = nByte + int64(1) if nAlloc > int64(libc.Int32FromInt32(32)) { v1 = nAlloc } else { v1 = int64(libc.Int32FromInt32(32)) } if _sqlite3VdbeMemClearAndResize(tls, pMem, int32(v1)) != 0 { return int32(SQLITE_NOMEM) } libc.Xmemcpy(tls, (*TMem)(unsafe.Pointer(pMem)).Fz, z, libc.Uint64FromInt64(nByte)) **(**uint8)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fz + uintptr(nByte))) = uint8(0) } else { _sqlite3VdbeMemRelease(tls, pMem) (*TMem)(unsafe.Pointer(pMem)).Fz = z if __ccgo_fp_xDel == __ccgo_fp(_sqlite3RowSetClear) { (*TMem)(unsafe.Pointer(pMem)).FzMalloc = (*TMem)(unsafe.Pointer(pMem)).Fz (*TMem)(unsafe.Pointer(pMem)).FszMalloc = _sqlite3DbMallocSize(tls, (*TMem)(unsafe.Pointer(pMem)).Fdb, (*TMem)(unsafe.Pointer(pMem)).FzMalloc) (*TMem)(unsafe.Pointer(pMem)).FxDel = uintptr(0) } else { if __ccgo_fp_xDel == libc.UintptrFromInt32(0) { (*TMem)(unsafe.Pointer(pMem)).FxDel = __ccgo_fp_xDel flags = libc.Uint16FromInt32(int32(flags) | libc.Int32FromInt32(MEM_Static)) } else { (*TMem)(unsafe.Pointer(pMem)).FxDel = __ccgo_fp_xDel flags = libc.Uint16FromInt32(int32(flags) | libc.Int32FromInt32(MEM_Dyn)) } } } (*TMem)(unsafe.Pointer(pMem)).Fflags = flags (*TMem)(unsafe.Pointer(pMem)).Fn = int32(nByte & libc.Int64FromInt32(0x7fffffff)) (*TMem)(unsafe.Pointer(pMem)).Fenc = uint8(SQLITE_UTF8) return SQLITE_OK } // C documentation // // /* // ** If pMem is already a string, detect if it is a zero-terminated // ** string, or make it into one if possible, and mark it as such. // ** // ** This is an optimization. Correct operation continues even if // ** this routine is a no-op. // ** // ** Return true if the strig is zero-terminated after this routine is // ** called and false if it is not. // */ func _sqlite3VdbeMemZeroTerminateIfAble(tls *libc.TLS, pMem uintptr) (r int32) { var v1 uintptr _ = v1 if libc.Int32FromUint16((*TMem)(unsafe.Pointer(pMem)).Fflags)&(libc.Int32FromInt32(MEM_Str)|libc.Int32FromInt32(MEM_Term)|libc.Int32FromInt32(MEM_Ephem)|libc.Int32FromInt32(MEM_Static)) != int32(MEM_Str) { /* pMem must be a string, and it cannot be an ephemeral or static string */ return 0 } if libc.Int32FromUint8((*TMem)(unsafe.Pointer(pMem)).Fenc) != int32(SQLITE_UTF8) { return 0 } if libc.Int32FromUint16((*TMem)(unsafe.Pointer(pMem)).Fflags)&int32(MEM_Dyn) != 0 { if (*TMem)(unsafe.Pointer(pMem)).FxDel == __ccgo_fp(Xsqlite3_free) && Xsqlite3_msize(tls, (*TMem)(unsafe.Pointer(pMem)).Fz) >= libc.Uint64FromInt32((*TMem)(unsafe.Pointer(pMem)).Fn+libc.Int32FromInt32(1)) { **(**uint8)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fz + uintptr((*TMem)(unsafe.Pointer(pMem)).Fn))) = uint8(0) v1 = pMem + 20 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) | libc.Int32FromInt32(MEM_Term)) return int32(1) } if (*TMem)(unsafe.Pointer(pMem)).FxDel == __ccgo_fp(_sqlite3RCStrUnref) { /* Blindly assume that all RCStr objects are zero-terminated */ v1 = pMem + 20 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) | libc.Int32FromInt32(MEM_Term)) return int32(1) } } else { if (*TMem)(unsafe.Pointer(pMem)).FszMalloc >= (*TMem)(unsafe.Pointer(pMem)).Fn+int32(1) { **(**uint8)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fz + uintptr((*TMem)(unsafe.Pointer(pMem)).Fn))) = uint8(0) v1 = pMem + 20 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) | libc.Int32FromInt32(MEM_Term)) return int32(1) } } return 0 } // C documentation // // /* // ** This is called by code in select.c before it calls sqlite3WhereBegin() // ** to begin iterating through the sub-query results. It is used to allocate // ** and initialize registers and cursors used by sqlite3WindowCodeStep(). // */ func _sqlite3WindowCodeInit(tls *libc.TLS, pParse uintptr, pSelect uintptr) { var nEphExpr, nExpr, v1 int32 var p, pKeyInfo, pList, pMWin, pWin, v, v2 uintptr _, _, _, _, _, _, _, _, _, _ = nEphExpr, nExpr, p, pKeyInfo, pList, pMWin, pWin, v, v1, v2 nEphExpr = (*TExprList)(unsafe.Pointer((*TSelect)(unsafe.Pointer((*TSubquery)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer((*TSelect)(unsafe.Pointer(pSelect)).FpSrc + 8 + 72)))).FpSelect)).FpEList)).FnExpr pMWin = (*TSelect)(unsafe.Pointer(pSelect)).FpWin v = _sqlite3GetVdbe(tls, pParse) _sqlite3VdbeAddOp2(tls, v, int32(OP_OpenEphemeral), (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr, nEphExpr) _sqlite3VdbeAddOp2(tls, v, int32(OP_OpenDup), (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr+int32(1), (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr) _sqlite3VdbeAddOp2(tls, v, int32(OP_OpenDup), (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr+int32(2), (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr) _sqlite3VdbeAddOp2(tls, v, int32(OP_OpenDup), (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr+int32(3), (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr) /* Allocate registers to use for PARTITION BY values, if any. Initialize ** said registers to NULL. */ if (*TWindow)(unsafe.Pointer(pMWin)).FpPartition != 0 { nExpr = (*TExprList)(unsafe.Pointer((*TWindow)(unsafe.Pointer(pMWin)).FpPartition)).FnExpr (*TWindow)(unsafe.Pointer(pMWin)).FregPart = (*TParse)(unsafe.Pointer(pParse)).FnMem + int32(1) **(**int32)(__ccgo_up(pParse + 60)) += nExpr _sqlite3VdbeAddOp3(tls, v, int32(OP_Null), 0, (*TWindow)(unsafe.Pointer(pMWin)).FregPart, (*TWindow)(unsafe.Pointer(pMWin)).FregPart+nExpr-int32(1)) } v2 = pParse + 60 *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 v1 = *(*int32)(unsafe.Pointer(v2)) (*TWindow)(unsafe.Pointer(pMWin)).FregOne = v1 _sqlite3VdbeAddOp2(tls, v, int32(OP_Integer), int32(1), (*TWindow)(unsafe.Pointer(pMWin)).FregOne) if (*TWindow)(unsafe.Pointer(pMWin)).FeExclude != 0 { v2 = pParse + 60 *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 v1 = *(*int32)(unsafe.Pointer(v2)) (*TWindow)(unsafe.Pointer(pMWin)).FregStartRowid = v1 v2 = pParse + 60 *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 v1 = *(*int32)(unsafe.Pointer(v2)) (*TWindow)(unsafe.Pointer(pMWin)).FregEndRowid = v1 v2 = pParse + 56 v1 = *(*int32)(unsafe.Pointer(v2)) *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 (*TWindow)(unsafe.Pointer(pMWin)).FcsrApp = v1 _sqlite3VdbeAddOp2(tls, v, int32(OP_Integer), int32(1), (*TWindow)(unsafe.Pointer(pMWin)).FregStartRowid) _sqlite3VdbeAddOp2(tls, v, int32(OP_Integer), 0, (*TWindow)(unsafe.Pointer(pMWin)).FregEndRowid) _sqlite3VdbeAddOp2(tls, v, int32(OP_OpenDup), (*TWindow)(unsafe.Pointer(pMWin)).FcsrApp, (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr) return } pWin = pMWin for { if !(pWin != 0) { break } p = (*TWindow)(unsafe.Pointer(pWin)).FpWFunc if (*TFuncDef)(unsafe.Pointer(p)).FfuncFlags&uint32(SQLITE_FUNC_MINMAX) != 0 && libc.Int32FromUint8((*TWindow)(unsafe.Pointer(pWin)).FeStart) != int32(TK_UNBOUNDED) { pList = *(*uintptr)(unsafe.Pointer((*TWindow)(unsafe.Pointer(pWin)).FpOwner + 32)) pKeyInfo = _sqlite3KeyInfoFromExprList(tls, pParse, pList, 0, 0) v2 = pParse + 56 v1 = *(*int32)(unsafe.Pointer(v2)) *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 (*TWindow)(unsafe.Pointer(pWin)).FcsrApp = v1 (*TWindow)(unsafe.Pointer(pWin)).FregApp = (*TParse)(unsafe.Pointer(pParse)).FnMem + int32(1) **(**int32)(__ccgo_up(pParse + 60)) += int32(3) if pKeyInfo != 0 && libc.Int32FromUint8(**(**uint8)(__ccgo_up((*TFuncDef)(unsafe.Pointer((*TWindow)(unsafe.Pointer(pWin)).FpWFunc)).FzName + 1))) == int32('i') { **(**Tu8)(__ccgo_up((*TKeyInfo)(unsafe.Pointer(pKeyInfo)).FaSortFlags)) = uint8(KEYINFO_ORDER_DESC) } _sqlite3VdbeAddOp2(tls, v, int32(OP_OpenEphemeral), (*TWindow)(unsafe.Pointer(pWin)).FcsrApp, int32(2)) _sqlite3VdbeAppendP4(tls, v, pKeyInfo, -int32(9)) _sqlite3VdbeAddOp2(tls, v, int32(OP_Integer), 0, (*TWindow)(unsafe.Pointer(pWin)).FregApp+int32(1)) } else { if (*TFuncDef)(unsafe.Pointer(p)).FzName == uintptr(unsafe.Pointer(&_nth_valueName)) || (*TFuncDef)(unsafe.Pointer(p)).FzName == uintptr(unsafe.Pointer(&_first_valueName)) { /* Allocate two registers at pWin->regApp. These will be used to ** store the start and end index of the current frame. */ (*TWindow)(unsafe.Pointer(pWin)).FregApp = (*TParse)(unsafe.Pointer(pParse)).FnMem + int32(1) v2 = pParse + 56 v1 = *(*int32)(unsafe.Pointer(v2)) *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 (*TWindow)(unsafe.Pointer(pWin)).FcsrApp = v1 **(**int32)(__ccgo_up(pParse + 60)) += int32(2) _sqlite3VdbeAddOp2(tls, v, int32(OP_OpenDup), (*TWindow)(unsafe.Pointer(pWin)).FcsrApp, (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr) } else { if (*TFuncDef)(unsafe.Pointer(p)).FzName == uintptr(unsafe.Pointer(&_leadName)) || (*TFuncDef)(unsafe.Pointer(p)).FzName == uintptr(unsafe.Pointer(&_lagName)) { v2 = pParse + 56 v1 = *(*int32)(unsafe.Pointer(v2)) *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 (*TWindow)(unsafe.Pointer(pWin)).FcsrApp = v1 _sqlite3VdbeAddOp2(tls, v, int32(OP_OpenDup), (*TWindow)(unsafe.Pointer(pWin)).FcsrApp, (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr) } } } goto _9 _9: ; pWin = (*TWindow)(unsafe.Pointer(pWin)).FpNextWin } } // C documentation // // /* // ** If the SELECT statement passed as the second argument does not invoke // ** any SQL window functions, this function is a no-op. Otherwise, it // ** rewrites the SELECT statement so that window function xStep functions // ** are invoked in the correct order as described under "SELECT REWRITING" // ** at the top of this file. // */ func _sqlite3WindowRewrite(tls *libc.TLS, pParse uintptr, p uintptr) (r int32) { bp := tls.Alloc(64) defer tls.Free(64) var db, pArgs, pFilter, pGroupBy, pHaving, pMWin, pSort, pSrc, pSub, pTab, pTab2, pWhere, pWin, v, v2 uintptr var nSave, rc, v1 int32 var selFlags Tu32 var _ /* pSublist at bp+0 */ uintptr var _ /* w at bp+8 */ TWalker _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = db, nSave, pArgs, pFilter, pGroupBy, pHaving, pMWin, pSort, pSrc, pSub, pTab, pTab2, pWhere, pWin, rc, selFlags, v, v1, v2 rc = SQLITE_OK if (*TSelect)(unsafe.Pointer(p)).FpWin != 0 && (*TSelect)(unsafe.Pointer(p)).FpPrior == uintptr(0) && (*TSelect)(unsafe.Pointer(p)).FselFlags&uint32(SF_WinRewrite) == uint32(0) && !(libc.Int32FromUint8((*TParse)(unsafe.Pointer(pParse)).FeParseMode) >= libc.Int32FromInt32(PARSE_MODE_RENAME)) { v = _sqlite3GetVdbe(tls, pParse) db = (*TParse)(unsafe.Pointer(pParse)).Fdb pSub = uintptr(0) /* The subquery */ pSrc = (*TSelect)(unsafe.Pointer(p)).FpSrc pWhere = (*TSelect)(unsafe.Pointer(p)).FpWhere pGroupBy = (*TSelect)(unsafe.Pointer(p)).FpGroupBy pHaving = (*TSelect)(unsafe.Pointer(p)).FpHaving pSort = uintptr(0) **(**uintptr)(__ccgo_up(bp)) = uintptr(0) /* Expression list for sub-query */ pMWin = (*TSelect)(unsafe.Pointer(p)).FpWin selFlags = (*TSelect)(unsafe.Pointer(p)).FselFlags pTab = _sqlite3DbMallocZero(tls, db, uint64(120)) if pTab == uintptr(0) { return _sqlite3ErrorToParser(tls, db, int32(SQLITE_NOMEM)) } _sqlite3AggInfoPersistWalkerInit(tls, bp+8, pParse) _sqlite3WalkSelect(tls, bp+8, p) if (*TSelect)(unsafe.Pointer(p)).FselFlags&uint32(SF_Aggregate) == uint32(0) { (**(**TWalker)(__ccgo_up(bp + 8))).FxExprCallback = __ccgo_fp(_disallowAggregatesInOrderByCb) (**(**TWalker)(__ccgo_up(bp + 8))).FxSelectCallback = uintptr(0) _sqlite3WalkExprList(tls, bp+8, (*TSelect)(unsafe.Pointer(p)).FpOrderBy) } (*TSelect)(unsafe.Pointer(p)).FpSrc = uintptr(0) (*TSelect)(unsafe.Pointer(p)).FpWhere = uintptr(0) (*TSelect)(unsafe.Pointer(p)).FpGroupBy = uintptr(0) (*TSelect)(unsafe.Pointer(p)).FpHaving = uintptr(0) **(**Tu32)(__ccgo_up(p + 4)) &= ^libc.Uint32FromInt32(SF_Aggregate) **(**Tu32)(__ccgo_up(p + 4)) |= uint32(SF_WinRewrite) /* Create the ORDER BY clause for the sub-select. This is the concatenation ** of the window PARTITION and ORDER BY clauses. Then, if this makes it ** redundant, remove the ORDER BY from the parent SELECT. */ pSort = _exprListAppendList(tls, pParse, uintptr(0), (*TWindow)(unsafe.Pointer(pMWin)).FpPartition, int32(1)) pSort = _exprListAppendList(tls, pParse, pSort, (*TWindow)(unsafe.Pointer(pMWin)).FpOrderBy, int32(1)) if pSort != 0 && (*TSelect)(unsafe.Pointer(p)).FpOrderBy != 0 && (*TExprList)(unsafe.Pointer((*TSelect)(unsafe.Pointer(p)).FpOrderBy)).FnExpr <= (*TExprList)(unsafe.Pointer(pSort)).FnExpr { nSave = (*TExprList)(unsafe.Pointer(pSort)).FnExpr (*TExprList)(unsafe.Pointer(pSort)).FnExpr = (*TExprList)(unsafe.Pointer((*TSelect)(unsafe.Pointer(p)).FpOrderBy)).FnExpr if _sqlite3ExprListCompare(tls, pSort, (*TSelect)(unsafe.Pointer(p)).FpOrderBy, -int32(1)) == 0 { _sqlite3ExprListDelete(tls, db, (*TSelect)(unsafe.Pointer(p)).FpOrderBy) (*TSelect)(unsafe.Pointer(p)).FpOrderBy = uintptr(0) } (*TExprList)(unsafe.Pointer(pSort)).FnExpr = nSave } /* Assign a cursor number for the ephemeral table used to buffer rows. ** The OpenEphemeral instruction is coded later, after it is known how ** many columns the table will have. */ v2 = pParse + 56 v1 = *(*int32)(unsafe.Pointer(v2)) *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 (*TWindow)(unsafe.Pointer(pMWin)).FiEphCsr = v1 **(**int32)(__ccgo_up(pParse + 56)) += int32(3) _selectWindowRewriteEList(tls, pParse, pMWin, pSrc, (*TSelect)(unsafe.Pointer(p)).FpEList, pTab, bp) _selectWindowRewriteEList(tls, pParse, pMWin, pSrc, (*TSelect)(unsafe.Pointer(p)).FpOrderBy, pTab, bp) if **(**uintptr)(__ccgo_up(bp)) != 0 { v1 = (*TExprList)(unsafe.Pointer(**(**uintptr)(__ccgo_up(bp)))).FnExpr } else { v1 = 0 } (*TWindow)(unsafe.Pointer(pMWin)).FnBufferCol = v1 /* Append the PARTITION BY and ORDER BY expressions to the to the ** sub-select expression list. They are required to figure out where ** boundaries for partitions and sets of peer rows lie. */ **(**uintptr)(__ccgo_up(bp)) = _exprListAppendList(tls, pParse, **(**uintptr)(__ccgo_up(bp)), (*TWindow)(unsafe.Pointer(pMWin)).FpPartition, 0) **(**uintptr)(__ccgo_up(bp)) = _exprListAppendList(tls, pParse, **(**uintptr)(__ccgo_up(bp)), (*TWindow)(unsafe.Pointer(pMWin)).FpOrderBy, 0) /* Append the arguments passed to each window function to the ** sub-select expression list. Also allocate two registers for each ** window function - one for the accumulator, another for interim ** results. */ pWin = pMWin for { if !(pWin != 0) { break } pArgs = *(*uintptr)(unsafe.Pointer((*TWindow)(unsafe.Pointer(pWin)).FpOwner + 32)) if (*TFuncDef)(unsafe.Pointer((*TWindow)(unsafe.Pointer(pWin)).FpWFunc)).FfuncFlags&uint32(SQLITE_SUBTYPE) != 0 { _selectWindowRewriteEList(tls, pParse, pMWin, pSrc, pArgs, pTab, bp) if **(**uintptr)(__ccgo_up(bp)) != 0 { v1 = (*TExprList)(unsafe.Pointer(**(**uintptr)(__ccgo_up(bp)))).FnExpr } else { v1 = 0 } (*TWindow)(unsafe.Pointer(pWin)).FiArgCol = v1 (*TWindow)(unsafe.Pointer(pWin)).FbExprArgs = uint8(1) } else { if **(**uintptr)(__ccgo_up(bp)) != 0 { v1 = (*TExprList)(unsafe.Pointer(**(**uintptr)(__ccgo_up(bp)))).FnExpr } else { v1 = 0 } (*TWindow)(unsafe.Pointer(pWin)).FiArgCol = v1 **(**uintptr)(__ccgo_up(bp)) = _exprListAppendList(tls, pParse, **(**uintptr)(__ccgo_up(bp)), pArgs, 0) } if (*TWindow)(unsafe.Pointer(pWin)).FpFilter != 0 { pFilter = _sqlite3ExprDup(tls, db, (*TWindow)(unsafe.Pointer(pWin)).FpFilter, 0) **(**uintptr)(__ccgo_up(bp)) = _sqlite3ExprListAppend(tls, pParse, **(**uintptr)(__ccgo_up(bp)), pFilter) } v2 = pParse + 60 *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 v1 = *(*int32)(unsafe.Pointer(v2)) (*TWindow)(unsafe.Pointer(pWin)).FregAccum = v1 v2 = pParse + 60 *(*int32)(unsafe.Pointer(v2)) = *(*int32)(unsafe.Pointer(v2)) + 1 v1 = *(*int32)(unsafe.Pointer(v2)) (*TWindow)(unsafe.Pointer(pWin)).FregResult = v1 _sqlite3VdbeAddOp2(tls, v, int32(OP_Null), 0, (*TWindow)(unsafe.Pointer(pWin)).FregAccum) goto _4 _4: ; pWin = (*TWindow)(unsafe.Pointer(pWin)).FpNextWin } /* If there is no ORDER BY or PARTITION BY clause, and the window ** function accepts zero arguments, and there are no other columns ** selected (e.g. "SELECT row_number() OVER () FROM t1"), it is possible ** that pSublist is still NULL here. Add a constant expression here to ** keep everything legal in this case. */ if **(**uintptr)(__ccgo_up(bp)) == uintptr(0) { **(**uintptr)(__ccgo_up(bp)) = _sqlite3ExprListAppend(tls, pParse, uintptr(0), _sqlite3ExprInt32(tls, db, 0)) } pSub = _sqlite3SelectNew(tls, pParse, **(**uintptr)(__ccgo_up(bp)), pSrc, pWhere, pGroupBy, pHaving, pSort, uint32(0), uintptr(0)) (*TSelect)(unsafe.Pointer(p)).FpSrc = _sqlite3SrcListAppend(tls, pParse, uintptr(0), uintptr(0), uintptr(0)) /* Due to db->mallocFailed test inside ** of sqlite3DbMallocRawNN() called from ** sqlite3SrcListAppend() */ if (*TSelect)(unsafe.Pointer(p)).FpSrc == uintptr(0) { _sqlite3SelectDelete(tls, db, pSub) } else { if _sqlite3SrcItemAttachSubquery(tls, pParse, (*TSelect)(unsafe.Pointer(p)).FpSrc+8, pSub, 0) != 0 { libc.SetBitFieldPtr32Uint32((*TSelect)(unsafe.Pointer(p)).FpSrc+8+24+4, libc.Uint32FromInt32(1), 4, 0x10) _sqlite3SrcListAssignCursors(tls, pParse, (*TSelect)(unsafe.Pointer(p)).FpSrc) **(**Tu32)(__ccgo_up(pSub + 4)) |= libc.Uint32FromInt32(libc.Int32FromInt32(SF_Expanded) | libc.Int32FromInt32(SF_OrderByReqd)) pTab2 = _sqlite3ResultSetOfSelect(tls, pParse, pSub, uint8(SQLITE_AFF_NONE)) **(**Tu32)(__ccgo_up(pSub + 4)) |= selFlags & uint32(SF_Aggregate) if pTab2 == uintptr(0) { /* Might actually be some other kind of error, but in that case ** pParse->nErr will be set, so if SQLITE_NOMEM is set, we will get ** the correct error message regardless. */ rc = int32(SQLITE_NOMEM) } else { libc.Xmemcpy(tls, pTab, pTab2, uint64(120)) **(**Tu32)(__ccgo_up(pTab + 48)) |= uint32(TF_Ephemeral) (*(*TSrcItem)(unsafe.Pointer((*TSelect)(unsafe.Pointer(p)).FpSrc + 8))).FpSTab = pTab pTab = pTab2 libc.Xmemset(tls, bp+8, 0, uint64(48)) (**(**TWalker)(__ccgo_up(bp + 8))).FxExprCallback = __ccgo_fp(_sqlite3WindowExtraAggFuncDepth) (**(**TWalker)(__ccgo_up(bp + 8))).FxSelectCallback = __ccgo_fp(_sqlite3WalkerDepthIncrease) (**(**TWalker)(__ccgo_up(bp + 8))).FxSelectCallback2 = __ccgo_fp(_sqlite3WalkerDepthDecrease) _sqlite3WalkSelect(tls, bp+8, pSub) } } } if (*Tsqlite3)(unsafe.Pointer(db)).FmallocFailed != 0 { rc = int32(SQLITE_NOMEM) } /* Defer deleting the temporary table pTab because if an error occurred, ** there could still be references to that table embedded in the ** result-set or ORDER BY clause of the SELECT statement p. */ _sqlite3ParserAddCleanup(tls, pParse, __ccgo_fp(_sqlite3DbFree), pTab) } return rc } // C documentation // // /* // ** Return TRUE if the WHERE clause term pTerm is of a form where it // ** could be used with an index to access pSrc, assuming an appropriate // ** index existed. // */ func _termCanDriveIndex(tls *libc.TLS, pTerm uintptr, pSrc uintptr, notReady TBitmask) (r int32) { var aff uint8 var leftCol int32 _, _ = aff, leftCol if (*TWhereTerm)(unsafe.Pointer(pTerm)).FleftCursor != (*TSrcItem)(unsafe.Pointer(pSrc)).FiCursor { return 0 } if libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pTerm)).FeOperator)&(libc.Int32FromInt32(WO_EQ)|libc.Int32FromInt32(WO_IS)) == 0 { return 0 } if libc.Int32FromUint8((*TSrcItem)(unsafe.Pointer(pSrc)).Ffg.Fjointype)&(libc.Int32FromInt32(JT_LEFT)|libc.Int32FromInt32(JT_LTORJ)|libc.Int32FromInt32(JT_RIGHT)) != 0 && !(_constraintCompatibleWithOuterJoin(tls, pTerm, pSrc) != 0) { return 0 /* See https://sqlite.org/forum/forumpost/51e6959f61 */ } if (*TWhereTerm)(unsafe.Pointer(pTerm)).FprereqRight¬Ready != uint64(0) { return 0 } leftCol = (*(*struct { FleftColumn int32 FiField int32 })(unsafe.Pointer(pTerm + 32))).FleftColumn if leftCol < 0 { return 0 } aff = (**(**TColumn)(__ccgo_up((*TTable)(unsafe.Pointer((*TSrcItem)(unsafe.Pointer(pSrc)).FpSTab)).FaCol + uintptr(leftCol)*16))).Faffinity if !(_sqlite3IndexAffinityOk(tls, (*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr, aff) != 0) { return 0 } return _columnIsGoodIndexCandidate(tls, (*TSrcItem)(unsafe.Pointer(pSrc)).FpSTab, leftCol) } // C documentation // // /* Construct a new Expr object from a single token */ func _tokenExpr(tls *libc.TLS, pParse uintptr, op int32, _t TToken) (r uintptr) { bp := tls.Alloc(16) defer tls.Free(16) *(*TToken)(unsafe.Pointer(bp)) = _t var p, v1 uintptr _, _ = p, v1 p = _sqlite3DbMallocRawNN(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, uint64(72)+uint64((**(**TToken)(__ccgo_up(bp))).Fn)+uint64(1)) if p != 0 { /* memset(p, 0, sizeof(Expr)); */ (*TExpr)(unsafe.Pointer(p)).Fop = libc.Uint8FromInt32(op) (*TExpr)(unsafe.Pointer(p)).FaffExpr = uint8(0) (*TExpr)(unsafe.Pointer(p)).Fflags = uint32(EP_Leaf) /* p->iAgg = -1; // Not required */ v1 = libc.UintptrFromInt32(0) (*TExpr)(unsafe.Pointer(p)).FpRight = v1 (*TExpr)(unsafe.Pointer(p)).FpLeft = v1 (*TExpr)(unsafe.Pointer(p)).FpAggInfo = uintptr(0) libc.Xmemset(tls, p+32, 0, uint64(8)) libc.Xmemset(tls, p+64, 0, uint64(8)) (*TExpr)(unsafe.Pointer(p)).Fop2 = uint8(0) (*TExpr)(unsafe.Pointer(p)).FiTable = 0 (*TExpr)(unsafe.Pointer(p)).FiColumn = 0 *(*uintptr)(unsafe.Pointer(p + 8)) = p + 1*72 libc.Xmemcpy(tls, *(*uintptr)(unsafe.Pointer(p + 8)), (**(**TToken)(__ccgo_up(bp))).Fz, uint64((**(**TToken)(__ccgo_up(bp))).Fn)) **(**uint8)(__ccgo_up(*(*uintptr)(unsafe.Pointer(p + 8)) + uintptr((**(**TToken)(__ccgo_up(bp))).Fn))) = uint8(0) *(*int32)(unsafe.Pointer(p + 52)) = int32(int64((**(**TToken)(__ccgo_up(bp))).Fz) - int64((*TParse)(unsafe.Pointer(pParse)).FzTail)) if libc.Int32FromUint8(_sqlite3CtypeMap[uint8(**(**uint8)(__ccgo_up(*(*uintptr)(unsafe.Pointer(p + 8)))))])&int32(0x80) != 0 { _sqlite3DequoteExpr(tls, p) } (*TExpr)(unsafe.Pointer(p)).FnHeight = int32(1) if libc.Int32FromUint8((*TParse)(unsafe.Pointer(pParse)).FeParseMode) >= int32(PARSE_MODE_RENAME) { return _sqlite3RenameTokenMap(tls, pParse, p, bp) } } return p } func _unicodeSetCategories(tls *libc.TLS, p uintptr, zCat uintptr) (r int32) { var z uintptr _ = z z = zCat for **(**uint8)(__ccgo_up(z)) != 0 { for libc.Int32FromUint8(**(**uint8)(__ccgo_up(z))) == int32(' ') || libc.Int32FromUint8(**(**uint8)(__ccgo_up(z))) == int32('\t') { z = z + 1 } if **(**uint8)(__ccgo_up(z)) != 0 && _sqlite3Fts5UnicodeCatParse(tls, z, p+160) != 0 { return int32(SQLITE_ERROR) } for libc.Int32FromUint8(**(**uint8)(__ccgo_up(z))) != int32(' ') && libc.Int32FromUint8(**(**uint8)(__ccgo_up(z))) != int32('\t') && libc.Int32FromUint8(**(**uint8)(__ccgo_up(z))) != int32('\000') { z = z + 1 } } _sqlite3Fts5UnicodeAscii(tls, p+160, p) return SQLITE_OK } // C documentation // // /* // ** For OP_Column, factor out the case where content is loaded from // ** overflow pages, so that the code to implement this case is separate // ** the common case where all content fits on the page. Factoring out // ** the code reduces register pressure and helps the common case // ** to run faster. // */ func _vdbeColumnFromOverflow(tls *libc.TLS, pC uintptr, iCol int32, t Tu32, iOffset Ti64, cacheStatus Tu32, colCacheCtr Tu32, pDest uintptr) (r int32) { var db, pBuf, pCache, v1 uintptr var encoding, len1, rc int32 _, _, _, _, _, _, _ = db, encoding, len1, pBuf, pCache, rc, v1 db = (*TMem)(unsafe.Pointer(pDest)).Fdb encoding = libc.Int32FromUint8((*TMem)(unsafe.Pointer(pDest)).Fenc) len1 = libc.Int32FromUint32(_sqlite3VdbeSerialTypeLen(tls, t)) if len1 > **(**int32)(__ccgo_up(db + 136)) { return int32(SQLITE_TOOBIG) } if len1 > int32(4000) && (*TVdbeCursor)(unsafe.Pointer(pC)).FpKeyInfo == uintptr(0) { if int32(TBool(*(*uint8)(unsafe.Pointer(pC + 8))&0x10>>4)) == 0 { (*TVdbeCursor)(unsafe.Pointer(pC)).FpCache = _sqlite3DbMallocZero(tls, db, uint64(32)) if (*TVdbeCursor)(unsafe.Pointer(pC)).FpCache == uintptr(0) { return int32(SQLITE_NOMEM) } libc.SetBitFieldPtr8Uint32(pC+8, libc.Uint32FromInt32(1), 4, 0x10) } pCache = (*TVdbeCursor)(unsafe.Pointer(pC)).FpCache if (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FpCValue == uintptr(0) || (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FiCol != iCol || (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FcacheStatus != cacheStatus || (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FcolCacheCtr != colCacheCtr || (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FiOffset != _sqlite3BtreeOffset(tls, *(*uintptr)(unsafe.Pointer(pC + 48))) { if (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FpCValue != 0 { _sqlite3RCStrUnref(tls, (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FpCValue) } v1 = _sqlite3RCStrNew(tls, libc.Uint64FromInt32(len1+int32(3))) (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FpCValue = v1 pBuf = v1 if pBuf == uintptr(0) { return int32(SQLITE_NOMEM) } rc = _sqlite3BtreePayload(tls, *(*uintptr)(unsafe.Pointer(pC + 48)), libc.Uint32FromInt64(iOffset), libc.Uint32FromInt32(len1), pBuf) if rc != 0 { return rc } **(**uint8)(__ccgo_up(pBuf + uintptr(len1))) = uint8(0) **(**uint8)(__ccgo_up(pBuf + uintptr(len1+int32(1)))) = uint8(0) **(**uint8)(__ccgo_up(pBuf + uintptr(len1+int32(2)))) = uint8(0) (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FiCol = iCol (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FcacheStatus = cacheStatus (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FcolCacheCtr = colCacheCtr (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FiOffset = _sqlite3BtreeOffset(tls, *(*uintptr)(unsafe.Pointer(pC + 48))) } else { pBuf = (*TVdbeTxtBlbCache)(unsafe.Pointer(pCache)).FpCValue } _sqlite3RCStrRef(tls, pBuf) if t&uint32(1) != 0 { rc = _sqlite3VdbeMemSetStr(tls, pDest, pBuf, int64(len1), libc.Uint8FromInt32(encoding), __ccgo_fp(_sqlite3RCStrUnref)) v1 = pDest + 20 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) | libc.Int32FromInt32(MEM_Term)) } else { rc = _sqlite3VdbeMemSetStr(tls, pDest, pBuf, int64(len1), uint8(0), __ccgo_fp(_sqlite3RCStrUnref)) } } else { rc = _sqlite3VdbeMemFromBtree(tls, *(*uintptr)(unsafe.Pointer(pC + 48)), libc.Uint32FromInt64(iOffset), libc.Uint32FromInt32(len1), pDest) if rc != 0 { return rc } _sqlite3VdbeSerialGet(tls, (*TMem)(unsafe.Pointer(pDest)).Fz, t, pDest) if t&uint32(1) != uint32(0) && encoding == int32(SQLITE_UTF8) { **(**uint8)(__ccgo_up((*TMem)(unsafe.Pointer(pDest)).Fz + uintptr(len1))) = uint8(0) v1 = pDest + 20 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) | libc.Int32FromInt32(MEM_Term)) } } v1 = pDest + 20 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) & ^libc.Int32FromInt32(MEM_Ephem)) return rc } // C documentation // // /* // ** It is already known that pMem contains an unterminated string. // ** Add the zero terminator. // ** // ** Three bytes of zero are added. In this way, there is guaranteed // ** to be a double-zero byte at an even byte boundary in order to // ** terminate a UTF16 string, even if the initial size of the buffer // ** is an odd number of bytes. // */ func _vdbeMemAddTerminator(tls *libc.TLS, pMem uintptr) (r int32) { var v1 uintptr _ = v1 if _sqlite3VdbeMemGrow(tls, pMem, (*TMem)(unsafe.Pointer(pMem)).Fn+int32(3), int32(1)) != 0 { return int32(SQLITE_NOMEM) } **(**uint8)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fz + uintptr((*TMem)(unsafe.Pointer(pMem)).Fn))) = uint8(0) **(**uint8)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fz + uintptr((*TMem)(unsafe.Pointer(pMem)).Fn+int32(1)))) = uint8(0) **(**uint8)(__ccgo_up((*TMem)(unsafe.Pointer(pMem)).Fz + uintptr((*TMem)(unsafe.Pointer(pMem)).Fn+int32(2)))) = uint8(0) v1 = pMem + 20 *(*Tu16)(unsafe.Pointer(v1)) = Tu16(int32(*(*Tu16)(unsafe.Pointer(v1))) | libc.Int32FromInt32(MEM_Term)) return SQLITE_OK } // C documentation // // /* // ** The index pIdx is used by a query and contains one or more expressions. // ** In other words pIdx is an index on an expression. iIdxCur is the cursor // ** number for the index and iDataCur is the cursor number for the corresponding // ** table. // ** // ** This routine adds IndexedExpr entries to the Parse->pIdxEpr field for // ** each of the expressions in the index so that the expression code generator // ** will know to replace occurrences of the indexed expression with // ** references to the corresponding column of the index. // */ func _whereAddIndexedExpr(tls *libc.TLS, pParse uintptr, pIdx uintptr, iIdxCur int32, pTabItem uintptr) { var i, j int32 var p, pArg, pExpr, pTab uintptr _, _, _, _, _, _ = i, j, p, pArg, pExpr, pTab pTab = (*TIndex)(unsafe.Pointer(pIdx)).FpTable i = 0 for { if !(i < libc.Int32FromUint16((*TIndex)(unsafe.Pointer(pIdx)).FnColumn)) { break } j = int32(**(**Ti16)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FaiColumn + uintptr(i)*2))) if j == -int32(2) { pExpr = (*(*TExprList_item)(unsafe.Pointer((*TIndex)(unsafe.Pointer(pIdx)).FaColExpr + 8 + uintptr(i)*32))).FpExpr } else { if j >= 0 && libc.Int32FromUint16((**(**TColumn)(__ccgo_up((*TTable)(unsafe.Pointer(pTab)).FaCol + uintptr(j)*16))).FcolFlags)&int32(COLFLAG_VIRTUAL) != 0 { pExpr = _sqlite3ColumnExpr(tls, pTab, (*TTable)(unsafe.Pointer(pTab)).FaCol+uintptr(j)*16) } else { goto _1 } } if _sqlite3ExprIsConstant(tls, uintptr(0), pExpr) != 0 { goto _1 } p = _sqlite3DbMallocRaw(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, uint64(32)) if p == uintptr(0) { break } (*TIndexedExpr)(unsafe.Pointer(p)).FpIENext = (*TParse)(unsafe.Pointer(pParse)).FpIdxEpr (*TIndexedExpr)(unsafe.Pointer(p)).FpExpr = _sqlite3ExprDup(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, pExpr, 0) (*TIndexedExpr)(unsafe.Pointer(p)).FiDataCur = (*TSrcItem)(unsafe.Pointer(pTabItem)).FiCursor (*TIndexedExpr)(unsafe.Pointer(p)).FiIdxCur = iIdxCur (*TIndexedExpr)(unsafe.Pointer(p)).FiIdxCol = i (*TIndexedExpr)(unsafe.Pointer(p)).FbMaybeNullRow = libc.BoolUint8(libc.Int32FromUint8((*TSrcItem)(unsafe.Pointer(pTabItem)).Ffg.Fjointype)&(libc.Int32FromInt32(JT_LEFT)|libc.Int32FromInt32(JT_LTORJ)|libc.Int32FromInt32(JT_RIGHT)) != 0) if _sqlite3IndexAffinityStr(tls, (*TParse)(unsafe.Pointer(pParse)).Fdb, pIdx) != 0 { (*TIndexedExpr)(unsafe.Pointer(p)).Faff = uint8(**(**uint8)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FzColAff + uintptr(i)))) } (*TParse)(unsafe.Pointer(pParse)).FpIdxEpr = p if (*TIndexedExpr)(unsafe.Pointer(p)).FpIENext == uintptr(0) { pArg = pParse + 104 _sqlite3ParserAddCleanup(tls, pParse, __ccgo_fp(_whereIndexedExprCleanup), pArg) } goto _1 _1: ; i = i + 1 } } // C documentation // // /* // ** This function is called for a partial index - one with a WHERE clause - in // ** two scenarios. In both cases, it determines whether or not the WHERE // ** clause on the index implies that a column of the table may be safely // ** replaced by a constant expression. For example, in the following // ** SELECT: // ** // ** CREATE INDEX i1 ON t1(b, c) WHERE a=; // ** SELECT a, b, c FROM t1 WHERE a= AND b=?; // ** // ** The "a" in the select-list may be replaced by , iff: // ** // ** (a) is a constant expression, and // ** (b) The (a=) comparison uses the BINARY collation sequence, and // ** (c) Column "a" has an affinity other than NONE or BLOB. // ** // ** If argument pItem is NULL, then pMask must not be NULL. In this case this // ** function is being called as part of determining whether or not pIdx // ** is a covering index. This function clears any bits in (*pMask) // ** corresponding to columns that may be replaced by constants as described // ** above. // ** // ** Otherwise, if pItem is not NULL, then this function is being called // ** as part of coding a loop that uses index pIdx. In this case, add entries // ** to the Parse.pIdxPartExpr list for each column that can be replaced // ** by a constant. // */ func _wherePartIdxExpr(tls *libc.TLS, pParse uintptr, pIdx uintptr, pPart uintptr, pMask uintptr, iIdxCur int32, pItem uintptr) { var aff Tu8 var bNullRow int32 var db, p, pArg, pLeft, pRight uintptr _, _, _, _, _, _, _ = aff, bNullRow, db, p, pArg, pLeft, pRight if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pPart)).Fop) == int32(TK_AND) { _wherePartIdxExpr(tls, pParse, pIdx, (*TExpr)(unsafe.Pointer(pPart)).FpRight, pMask, iIdxCur, pItem) pPart = (*TExpr)(unsafe.Pointer(pPart)).FpLeft } if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pPart)).Fop) == int32(TK_EQ) || libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pPart)).Fop) == int32(TK_IS) { pLeft = (*TExpr)(unsafe.Pointer(pPart)).FpLeft pRight = (*TExpr)(unsafe.Pointer(pPart)).FpRight if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pLeft)).Fop) != int32(TK_COLUMN) { return } if !(_sqlite3ExprIsConstant(tls, uintptr(0), pRight) != 0) { return } if !(_sqlite3IsBinary(tls, _sqlite3ExprCompareCollSeq(tls, pParse, pPart)) != 0) { return } if int32((*TExpr)(unsafe.Pointer(pLeft)).FiColumn) < 0 { return } aff = uint8((**(**TColumn)(__ccgo_up((*TTable)(unsafe.Pointer((*TIndex)(unsafe.Pointer(pIdx)).FpTable)).FaCol + uintptr((*TExpr)(unsafe.Pointer(pLeft)).FiColumn)*16))).Faffinity) if libc.Int32FromUint8(aff) >= int32(SQLITE_AFF_TEXT) { if pItem != 0 { db = (*TParse)(unsafe.Pointer(pParse)).Fdb p = _sqlite3DbMallocRaw(tls, db, uint64(32)) if p != 0 { bNullRow = libc.BoolInt32(libc.Int32FromUint8((*TSrcItem)(unsafe.Pointer(pItem)).Ffg.Fjointype)&(libc.Int32FromInt32(JT_LEFT)|libc.Int32FromInt32(JT_LTORJ)) != 0) (*TIndexedExpr)(unsafe.Pointer(p)).FpExpr = _sqlite3ExprDup(tls, db, pRight, 0) (*TIndexedExpr)(unsafe.Pointer(p)).FiDataCur = (*TSrcItem)(unsafe.Pointer(pItem)).FiCursor (*TIndexedExpr)(unsafe.Pointer(p)).FiIdxCur = iIdxCur (*TIndexedExpr)(unsafe.Pointer(p)).FiIdxCol = int32((*TExpr)(unsafe.Pointer(pLeft)).FiColumn) (*TIndexedExpr)(unsafe.Pointer(p)).FbMaybeNullRow = libc.Uint8FromInt32(bNullRow) (*TIndexedExpr)(unsafe.Pointer(p)).FpIENext = (*TParse)(unsafe.Pointer(pParse)).FpIdxPartExpr (*TIndexedExpr)(unsafe.Pointer(p)).Faff = aff (*TParse)(unsafe.Pointer(pParse)).FpIdxPartExpr = p if (*TIndexedExpr)(unsafe.Pointer(p)).FpIENext == uintptr(0) { pArg = pParse + 112 _sqlite3ParserAddCleanup(tls, pParse, __ccgo_fp(_whereIndexedExprCleanup), pArg) } } } else { if int32((*TExpr)(unsafe.Pointer(pLeft)).FiColumn) < libc.Int32FromUint64(libc.Uint64FromInt64(8)*libc.Uint64FromInt32(8))-libc.Int32FromInt32(1) { **(**TBitmask)(__ccgo_up(pMask)) &= ^(libc.Uint64FromInt32(1) << (*TExpr)(unsafe.Pointer(pLeft)).FiColumn) } } } } } // C documentation // // /* // ** This function is called to estimate the number of rows visited by a // ** range-scan on a skip-scan index. For example: // ** // ** CREATE INDEX i1 ON t1(a, b, c); // ** SELECT * FROM t1 WHERE a=? AND c BETWEEN ? AND ?; // ** // ** Value pLoop->nOut is currently set to the estimated number of rows // ** visited for scanning (a=? AND b=?). This function reduces that estimate // ** by some factor to account for the (c BETWEEN ? AND ?) expression based // ** on the stat4 data for the index. this scan will be performed multiple // ** times (once for each (a,b) combination that matches a=?) is dealt with // ** by the caller. // ** // ** It does this by scanning through all stat4 samples, comparing values // ** extracted from pLower and pUpper with the corresponding column in each // ** sample. If L and U are the number of samples found to be less than or // ** equal to the values extracted from pLower and pUpper respectively, and // ** N is the total number of samples, the pLoop->nOut value is adjusted // ** as follows: // ** // ** nOut = nOut * ( min(U - L, 1) / N ) // ** // ** If pLower is NULL, or a value cannot be extracted from the term, L is // ** set to zero. If pUpper is NULL, or a value cannot be extracted from it, // ** U is set to N. // ** // ** Normally, this function sets *pbDone to 1 before returning. However, // ** if no value can be extracted from either pLower or pUpper (and so the // ** estimate of the number of rows delivered remains unchanged), *pbDone // ** is left as is. // ** // ** If an error occurs, an SQLite error code is returned. Otherwise, // ** SQLITE_OK. // */ func _whereRangeSkipScanEst(tls *libc.TLS, pParse uintptr, pLower uintptr, pUpper uintptr, pLoop uintptr, pbDone uintptr) (r int32) { bp := tls.Alloc(32) defer tls.Free(32) var aff Tu8 var db, p, pColl, v3 uintptr var i, nAdjust, nDiff, nEq, nLower, nUpper, rc, res, res1, v1 int32 var _ /* p1 at bp+0 */ uintptr var _ /* p2 at bp+8 */ uintptr var _ /* pVal at bp+16 */ uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = aff, db, i, nAdjust, nDiff, nEq, nLower, nUpper, p, pColl, rc, res, res1, v1, v3 p = (*(*struct { FnEq Tu16 FnBtm Tu16 FnTop Tu16 FnDistinctCol Tu16 FpIndex uintptr FpOrderBy uintptr })(unsafe.Pointer(pLoop + 24))).FpIndex nEq = libc.Int32FromUint16((*(*struct { FnEq Tu16 FnBtm Tu16 FnTop Tu16 FnDistinctCol Tu16 FpIndex uintptr FpOrderBy uintptr })(unsafe.Pointer(pLoop + 24))).FnEq) db = (*TParse)(unsafe.Pointer(pParse)).Fdb nLower = -int32(1) nUpper = (*TIndex)(unsafe.Pointer(p)).FnSample + int32(1) rc = SQLITE_OK aff = _sqlite3IndexColumnAffinity(tls, db, p, nEq) **(**uintptr)(__ccgo_up(bp)) = uintptr(0) /* Value extracted from pLower */ **(**uintptr)(__ccgo_up(bp + 8)) = uintptr(0) /* Value extracted from pUpper */ **(**uintptr)(__ccgo_up(bp + 16)) = uintptr(0) /* Value extracted from record */ pColl = _sqlite3LocateCollSeq(tls, pParse, **(**uintptr)(__ccgo_up((*TIndex)(unsafe.Pointer(p)).FazColl + uintptr(nEq)*8))) if pLower != 0 { rc = _sqlite3Stat4ValueFromExpr(tls, pParse, (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pLower)).FpExpr)).FpRight, aff, bp) nLower = 0 } if pUpper != 0 && rc == SQLITE_OK { rc = _sqlite3Stat4ValueFromExpr(tls, pParse, (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pUpper)).FpExpr)).FpRight, aff, bp+8) if **(**uintptr)(__ccgo_up(bp + 8)) != 0 { v1 = 0 } else { v1 = (*TIndex)(unsafe.Pointer(p)).FnSample } nUpper = v1 } if **(**uintptr)(__ccgo_up(bp)) != 0 || **(**uintptr)(__ccgo_up(bp + 8)) != 0 { i = 0 for { if !(rc == SQLITE_OK && i < (*TIndex)(unsafe.Pointer(p)).FnSample) { break } rc = _sqlite3Stat4Column(tls, db, (**(**TIndexSample)(__ccgo_up((*TIndex)(unsafe.Pointer(p)).FaSample + uintptr(i)*40))).Fp, (**(**TIndexSample)(__ccgo_up((*TIndex)(unsafe.Pointer(p)).FaSample + uintptr(i)*40))).Fn, nEq, bp+16) if rc == SQLITE_OK && **(**uintptr)(__ccgo_up(bp)) != 0 { res = _sqlite3MemCompare(tls, **(**uintptr)(__ccgo_up(bp)), **(**uintptr)(__ccgo_up(bp + 16)), pColl) if res >= 0 { nLower = nLower + 1 } } if rc == SQLITE_OK && **(**uintptr)(__ccgo_up(bp + 8)) != 0 { res1 = _sqlite3MemCompare(tls, **(**uintptr)(__ccgo_up(bp + 8)), **(**uintptr)(__ccgo_up(bp + 16)), pColl) if res1 >= 0 { nUpper = nUpper + 1 } } goto _2 _2: ; i = i + 1 } nDiff = nUpper - nLower if nDiff <= 0 { nDiff = int32(1) } /* If there is both an upper and lower bound specified, and the ** comparisons indicate that they are close together, use the fallback ** method (assume that the scan visits 1/64 of the rows) for estimating ** the number of rows visited. Otherwise, estimate the number of rows ** using the method described in the header comment for this function. */ if nDiff != int32(1) || pUpper == uintptr(0) || pLower == uintptr(0) { nAdjust = int32(_sqlite3LogEst(tls, libc.Uint64FromInt32((*TIndex)(unsafe.Pointer(p)).FnSample))) - int32(_sqlite3LogEst(tls, libc.Uint64FromInt32(nDiff))) v3 = pLoop + 22 *(*TLogEst)(unsafe.Pointer(v3)) = TLogEst(int32(*(*TLogEst)(unsafe.Pointer(v3))) - nAdjust) **(**int32)(__ccgo_up(pbDone)) = int32(1) } } else { } _sqlite3ValueFree(tls, **(**uintptr)(__ccgo_up(bp))) _sqlite3ValueFree(tls, **(**uintptr)(__ccgo_up(bp + 8))) _sqlite3ValueFree(tls, **(**uintptr)(__ccgo_up(bp + 16))) return rc } // C documentation // // /* // ** Term pTerm is a vector range comparison operation. The first comparison // ** in the vector can be optimized using column nEq of the index. This // ** function returns the total number of vector elements that can be used // ** as part of the range comparison. // ** // ** For example, if the query is: // ** // ** WHERE a = ? AND (b, c, d) > (?, ?, ?) // ** // ** and the index: // ** // ** CREATE INDEX ... ON (a, b, c, d, e) // ** // ** then this function would be invoked with nEq=1. The value returned in // ** this case is 3. // */ func _whereRangeVectorLen(tls *libc.TLS, pParse uintptr, iCur int32, pIdx uintptr, nEq int32, pTerm uintptr) (r int32) { var aff, idxaff uint8 var i, nCmp, v1 int32 var pColl, pLhs, pRhs, t uintptr _, _, _, _, _, _, _, _, _ = aff, i, idxaff, nCmp, pColl, pLhs, pRhs, t, v1 nCmp = _sqlite3ExprVectorSize(tls, (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr)).FpLeft) if nCmp < libc.Int32FromUint16((*TIndex)(unsafe.Pointer(pIdx)).FnColumn)-nEq { v1 = nCmp } else { v1 = libc.Int32FromUint16((*TIndex)(unsafe.Pointer(pIdx)).FnColumn) - nEq } nCmp = v1 i = int32(1) for { if !(i < nCmp) { break } /* Comparison affinity */ idxaff = uint8(0) pLhs = (*(*TExprList_item)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer((*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr)).FpLeft + 32)) + 8 + uintptr(i)*32))).FpExpr pRhs = (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr)).FpRight if (*TExpr)(unsafe.Pointer(pRhs)).Fflags&uint32(EP_xIsSelect) != uint32(0) { pRhs = (*(*TExprList_item)(unsafe.Pointer((*TSelect)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pRhs + 32)))).FpEList + 8 + uintptr(i)*32))).FpExpr } else { pRhs = (*(*TExprList_item)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(pRhs + 32)) + 8 + uintptr(i)*32))).FpExpr } /* Check that the LHS of the comparison is a column reference to ** the right column of the right source table. And that the sort ** order of the index column is the same as the sort order of the ** leftmost index column. */ if libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pLhs)).Fop) != int32(TK_COLUMN) || (*TExpr)(unsafe.Pointer(pLhs)).FiTable != iCur || int32((*TExpr)(unsafe.Pointer(pLhs)).FiColumn) != int32(**(**Ti16)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FaiColumn + uintptr(i+nEq)*2))) || libc.Int32FromUint8(**(**Tu8)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FaSortOrder + uintptr(i+nEq)))) != libc.Int32FromUint8(**(**Tu8)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FaSortOrder + uintptr(nEq)))) { break } aff = _sqlite3CompareAffinity(tls, pRhs, _sqlite3ExprAffinity(tls, pLhs)) idxaff = _sqlite3TableColumnAffinity(tls, (*TIndex)(unsafe.Pointer(pIdx)).FpTable, int32((*TExpr)(unsafe.Pointer(pLhs)).FiColumn)) if libc.Int32FromUint8(aff) != libc.Int32FromUint8(idxaff) { break } if (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr)).Fflags&libc.Uint32FromInt32(libc.Int32FromInt32(EP_Commuted)) != uint32(0) { t = pRhs pRhs = pLhs pLhs = t } pColl = _sqlite3BinaryCompareCollSeq(tls, pParse, pLhs, pRhs) if pColl == uintptr(0) { break } if _sqlite3StrICmp(tls, (*TCollSeq)(unsafe.Pointer(pColl)).FzName, **(**uintptr)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FazColl + uintptr(i+nEq)*8))) != 0 { break } goto _2 _2: ; i = i + 1 } return i } /* ** Adjust the cost C by the costMult factor T. This only occurs if ** compiled with -DSQLITE_ENABLE_COSTMULT */ // C documentation // // /* // ** Initialize a WHERE clause scanner object. Return a pointer to the // ** first match. Return NULL if there are no matches. // ** // ** The scanner will be searching the WHERE clause pWC. It will look // ** for terms of the form "X " where X is column iColumn of table // ** iCur. Or if pIdx!=0 then X is column iColumn of index pIdx. pIdx // ** must be one of the indexes of table iCur. // ** // ** The must be one of the operators described by opMask. // ** // ** If the search is for X and the WHERE clause contains terms of the // ** form X=Y then this routine might also return terms of the form // ** "Y ". The number of levels of transitivity is limited, // ** but is enough to handle most commonly occurring SQL statements. // ** // ** If X is not the INTEGER PRIMARY KEY then X must be compatible with // ** index pIdx. // */ func _whereScanInit(tls *libc.TLS, pScan uintptr, pWC uintptr, iCur int32, iColumn int32, opMask Tu32, pIdx uintptr) (r uintptr) { var j int32 _ = j (*TWhereScan)(unsafe.Pointer(pScan)).FpOrigWC = pWC (*TWhereScan)(unsafe.Pointer(pScan)).FpWC = pWC (*TWhereScan)(unsafe.Pointer(pScan)).FpIdxExpr = uintptr(0) (*TWhereScan)(unsafe.Pointer(pScan)).Fidxaff = uint8(0) (*TWhereScan)(unsafe.Pointer(pScan)).FzCollName = uintptr(0) (*TWhereScan)(unsafe.Pointer(pScan)).FopMask = opMask (*TWhereScan)(unsafe.Pointer(pScan)).Fk = 0 **(**int32)(__ccgo_up(pScan + 44)) = iCur (*TWhereScan)(unsafe.Pointer(pScan)).FnEquiv = uint8(1) (*TWhereScan)(unsafe.Pointer(pScan)).FiEquiv = uint8(1) if pIdx != 0 { j = iColumn iColumn = int32(**(**Ti16)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FaiColumn + uintptr(j)*2))) if iColumn == int32((*TTable)(unsafe.Pointer((*TIndex)(unsafe.Pointer(pIdx)).FpTable)).FiPKey) { iColumn = -int32(1) } else { if iColumn >= 0 { (*TWhereScan)(unsafe.Pointer(pScan)).Fidxaff = (**(**TColumn)(__ccgo_up((*TTable)(unsafe.Pointer((*TIndex)(unsafe.Pointer(pIdx)).FpTable)).FaCol + uintptr(iColumn)*16))).Faffinity (*TWhereScan)(unsafe.Pointer(pScan)).FzCollName = **(**uintptr)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FazColl + uintptr(j)*8)) } else { if iColumn == -int32(2) { (*TWhereScan)(unsafe.Pointer(pScan)).FpIdxExpr = (*(*TExprList_item)(unsafe.Pointer((*TIndex)(unsafe.Pointer(pIdx)).FaColExpr + 8 + uintptr(j)*32))).FpExpr (*TWhereScan)(unsafe.Pointer(pScan)).FzCollName = **(**uintptr)(__ccgo_up((*TIndex)(unsafe.Pointer(pIdx)).FazColl + uintptr(j)*8)) **(**Ti16)(__ccgo_up(pScan + 88)) = int16(-libc.Int32FromInt32(2)) return _whereScanInitIndexExpr(tls, pScan) } } } } else { if iColumn == -int32(2) { return uintptr(0) } } **(**Ti16)(__ccgo_up(pScan + 88)) = int16(iColumn) return _whereScanNext(tls, pScan) } // C documentation // // /* // ** Advance to the next WhereTerm that matches according to the criteria // ** established when the pScan object was initialized by whereScanInit(). // ** Return NULL if there are no more matching WhereTerms. // */ func _whereScanNext(tls *libc.TLS, pScan uintptr) (r uintptr) { var iColumn Ti16 var iCur, j, k int32 var pColl, pParse, pTerm, pWC, pX, zCollName, v2 uintptr var v3 bool _, _, _, _, _, _, _, _, _, _, _, _ = iColumn, iCur, j, k, pColl, pParse, pTerm, pWC, pX, zCollName, v2, v3 /* The term being tested */ k = (*TWhereScan)(unsafe.Pointer(pScan)).Fk /* Where to start scanning */ pWC = (*TWhereScan)(unsafe.Pointer(pScan)).FpWC for int32(1) != 0 { iColumn = **(**Ti16)(__ccgo_up(pScan + 88 + uintptr(libc.Int32FromUint8((*TWhereScan)(unsafe.Pointer(pScan)).FiEquiv)-int32(1))*2)) iCur = **(**int32)(__ccgo_up(pScan + 44 + uintptr(libc.Int32FromUint8((*TWhereScan)(unsafe.Pointer(pScan)).FiEquiv)-int32(1))*4)) for cond := true; cond; cond = pWC != uintptr(0) { pTerm = (*TWhereClause)(unsafe.Pointer(pWC)).Fa + uintptr(k)*56 for { if !(k < (*TWhereClause)(unsafe.Pointer(pWC)).FnTerm) { break } if (*TWhereTerm)(unsafe.Pointer(pTerm)).FleftCursor == iCur && (*(*struct { FleftColumn int32 FiField int32 })(unsafe.Pointer(pTerm + 32))).FleftColumn == int32(iColumn) && (int32(iColumn) != -int32(2) || _sqlite3ExprCompareSkip(tls, (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr)).FpLeft, (*TWhereScan)(unsafe.Pointer(pScan)).FpIdxExpr, iCur) == 0) && (libc.Int32FromUint8((*TWhereScan)(unsafe.Pointer(pScan)).FiEquiv) <= int32(1) || !((*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr)).Fflags&libc.Uint32FromInt32(libc.Int32FromInt32(EP_OuterON)) != libc.Uint32FromInt32(0))) { if v3 = libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pTerm)).FeOperator)&int32(WO_EQUIV) != 0 && libc.Int32FromUint8((*TWhereScan)(unsafe.Pointer(pScan)).FnEquiv) < libc.Int32FromUint64(libc.Uint64FromInt64(44)/libc.Uint64FromInt64(4)); v3 { v2 = _whereRightSubexprIsColumn(tls, (*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr) pX = v2 } if v3 && v2 != uintptr(0) { j = 0 for { if !(j < libc.Int32FromUint8((*TWhereScan)(unsafe.Pointer(pScan)).FnEquiv)) { break } if **(**int32)(__ccgo_up(pScan + 44 + uintptr(j)*4)) == (*TExpr)(unsafe.Pointer(pX)).FiTable && int32(**(**Ti16)(__ccgo_up(pScan + 88 + uintptr(j)*2))) == int32((*TExpr)(unsafe.Pointer(pX)).FiColumn) { break } goto _4 _4: ; j = j + 1 } if j == libc.Int32FromUint8((*TWhereScan)(unsafe.Pointer(pScan)).FnEquiv) { **(**int32)(__ccgo_up(pScan + 44 + uintptr(j)*4)) = (*TExpr)(unsafe.Pointer(pX)).FiTable **(**Ti16)(__ccgo_up(pScan + 88 + uintptr(j)*2)) = (*TExpr)(unsafe.Pointer(pX)).FiColumn (*TWhereScan)(unsafe.Pointer(pScan)).FnEquiv = (*TWhereScan)(unsafe.Pointer(pScan)).FnEquiv + 1 } } if uint32((*TWhereTerm)(unsafe.Pointer(pTerm)).FeOperator)&(*TWhereScan)(unsafe.Pointer(pScan)).FopMask != uint32(0) { /* Verify the affinity and collating sequence match */ if (*TWhereScan)(unsafe.Pointer(pScan)).FzCollName != 0 && libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pTerm)).FeOperator)&int32(WO_ISNULL) == 0 { pParse = (*TWhereInfo)(unsafe.Pointer((*TWhereClause)(unsafe.Pointer(pWC)).FpWInfo)).FpParse pX = (*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr if libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pTerm)).FeOperator)&int32(WO_IN) != 0 { zCollName = _indexInAffinityOk(tls, pParse, pTerm, (*TWhereScan)(unsafe.Pointer(pScan)).Fidxaff) if !(zCollName != 0) { goto _1 } } else { if !(_sqlite3IndexAffinityOk(tls, pX, (*TWhereScan)(unsafe.Pointer(pScan)).Fidxaff) != 0) { goto _1 } pColl = _sqlite3ExprCompareCollSeq(tls, pParse, pX) if pColl != 0 { v2 = (*TCollSeq)(unsafe.Pointer(pColl)).FzName } else { v2 = uintptr(unsafe.Pointer(&_sqlite3StrBINARY)) } zCollName = v2 } if _sqlite3StrICmp(tls, zCollName, (*TWhereScan)(unsafe.Pointer(pScan)).FzCollName) != 0 { goto _1 } } if v3 = libc.Int32FromUint16((*TWhereTerm)(unsafe.Pointer(pTerm)).FeOperator)&(libc.Int32FromInt32(WO_EQ)|libc.Int32FromInt32(WO_IS)) != 0; v3 { pX = (*TExpr)(unsafe.Pointer((*TWhereTerm)(unsafe.Pointer(pTerm)).FpExpr)).FpRight } if v3 && pX != libc.UintptrFromInt32(0) && libc.Int32FromUint8((*TExpr)(unsafe.Pointer(pX)).Fop) == int32(TK_COLUMN) && (*TExpr)(unsafe.Pointer(pX)).FiTable == **(**int32)(__ccgo_up(pScan + 44)) && int32((*TExpr)(unsafe.Pointer(pX)).FiColumn) == int32(**(**Ti16)(__ccgo_up(pScan + 88))) { goto _1 } (*TWhereScan)(unsafe.Pointer(pScan)).FpWC = pWC (*TWhereScan)(unsafe.Pointer(pScan)).Fk = k + int32(1) return pTerm } } goto _1 _1: ; k = k + 1 pTerm += 56 } pWC = (*TWhereClause)(unsafe.Pointer(pWC)).FpOuter k = 0 } if libc.Int32FromUint8((*TWhereScan)(unsafe.Pointer(pScan)).FiEquiv) >= libc.Int32FromUint8((*TWhereScan)(unsafe.Pointer(pScan)).FnEquiv) { break } pWC = (*TWhereScan)(unsafe.Pointer(pScan)).FpOrigWC k = 0 (*TWhereScan)(unsafe.Pointer(pScan)).FiEquiv = (*TWhereScan)(unsafe.Pointer(pScan)).FiEquiv + 1 } return uintptr(0) } // C documentation // // /* // ** Write the supplied super-journal name into the journal file for pager // ** pPager at the current location. The super-journal name must be the last // ** thing written to a journal file. If the pager is in full-sync mode, the // ** journal file descriptor is advanced to the next sector boundary before // ** anything is written. The format is: // ** // ** + 4 bytes: PAGER_SJ_PGNO. // ** + N bytes: super-journal filename in utf-8. // ** + 4 bytes: N (length of super-journal name in bytes, no nul-terminator). // ** + 4 bytes: super-journal name checksum. // ** + 8 bytes: aJournalMagic[]. // ** // ** The super-journal page checksum is the sum of the bytes in the super-journal // ** name, where each byte is interpreted as a signed 8-bit integer. // ** // ** If zSuper is a NULL pointer (occurs for a single database transaction), // ** this call is a no-op. // */ func _writeSuperJournal(tls *libc.TLS, pPager uintptr, zSuper uintptr) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var cksum Tu32 var iHdrOff Ti64 var nSuper, rc, v2, v3, v5, v7, v9 int32 var v10, v4, v6, v8 bool var _ /* jrnlSize at bp+0 */ Ti64 _, _, _, _, _, _, _, _, _, _, _, _, _ = cksum, iHdrOff, nSuper, rc, v10, v2, v3, v4, v5, v6, v7, v8, v9 /* Size of journal file on disk */ cksum = uint32(0) /* Checksum of string zSuper */ if !(zSuper != 0) || libc.Int32FromUint8((*TPager)(unsafe.Pointer(pPager)).FjournalMode) == int32(PAGER_JOURNALMODE_MEMORY) || !((*Tsqlite3_file)(unsafe.Pointer((*TPager)(unsafe.Pointer(pPager)).Fjfd)).FpMethods != libc.UintptrFromInt32(0)) { return SQLITE_OK } (*TPager)(unsafe.Pointer(pPager)).FsetSuper = uint8(1) /* Calculate the length in bytes and the checksum of zSuper */ nSuper = 0 for { if !(**(**uint8)(__ccgo_up(zSuper + uintptr(nSuper))) != 0) { break } cksum = cksum + uint32(**(**uint8)(__ccgo_up(zSuper + uintptr(nSuper)))) goto _1 _1: ; nSuper = nSuper + 1 } /* If in full-sync mode, advance to the next disk sector before writing ** the super-journal name. This is in case the previous page written to ** the journal has already been synced. */ if (*TPager)(unsafe.Pointer(pPager)).FfullSync != 0 { (*TPager)(unsafe.Pointer(pPager)).FjournalOff = _journalHdrOffset(tls, pPager) } iHdrOff = (*TPager)(unsafe.Pointer(pPager)).FjournalOff /* Write the super-journal data to the end of the journal file. If ** an error occurs, return the error code to the caller. */ v2 = _write32bits(tls, (*TPager)(unsafe.Pointer(pPager)).Fjfd, iHdrOff, (*TPager)(unsafe.Pointer(pPager)).FlckPgno) rc = v2 if v4 = 0 != v2; !v4 { v3 = _sqlite3OsWrite(tls, (*TPager)(unsafe.Pointer(pPager)).Fjfd, zSuper, nSuper, iHdrOff+int64(4)) rc = v3 } if v6 = v4 || 0 != v3; !v6 { v5 = _write32bits(tls, (*TPager)(unsafe.Pointer(pPager)).Fjfd, iHdrOff+int64(4)+int64(nSuper), libc.Uint32FromInt32(nSuper)) rc = v5 } if v8 = v6 || 0 != v5; !v8 { v7 = _write32bits(tls, (*TPager)(unsafe.Pointer(pPager)).Fjfd, iHdrOff+int64(4)+int64(nSuper)+int64(4), cksum) rc = v7 } if v10 = v8 || 0 != v7; !v10 { v9 = _sqlite3OsWrite(tls, (*TPager)(unsafe.Pointer(pPager)).Fjfd, uintptr(unsafe.Pointer(&_aJournalMagic)), int32(8), iHdrOff+int64(4)+int64(nSuper)+int64(8)) rc = v9 } if v10 || 0 != v9 { return rc } **(**Ti64)(__ccgo_up(pPager + 96)) += int64(nSuper + libc.Int32FromInt32(20)) /* If the pager is in persistent-journal mode, then the physical ** journal-file may extend past the end of the super-journal name ** and 8 bytes of magic data just written to the file. This is ** dangerous because the code to rollback a hot-journal file ** will not be able to find the super-journal name to determine ** whether or not the journal is hot. ** ** Easiest thing to do in this scenario is to truncate the journal ** file to the required size. */ v2 = _sqlite3OsFileSize(tls, (*TPager)(unsafe.Pointer(pPager)).Fjfd, bp) rc = v2 if SQLITE_OK == v2 && **(**Ti64)(__ccgo_up(bp)) > (*TPager)(unsafe.Pointer(pPager)).FjournalOff { rc = _sqlite3OsTruncate(tls, (*TPager)(unsafe.Pointer(pPager)).Fjfd, (*TPager)(unsafe.Pointer(pPager)).FjournalOff) } return rc } // C documentation // // /* // ** Attempt the transfer optimization on INSERTs of the form // ** // ** INSERT INTO tab1 SELECT * FROM tab2; // ** // ** The xfer optimization transfers raw records from tab2 over to tab1. // ** Columns are not decoded and reassembled, which greatly improves // ** performance. Raw index records are transferred in the same way. // ** // ** The xfer optimization is only attempted if tab1 and tab2 are compatible. // ** There are lots of rules for determining compatibility - see comments // ** embedded in the code for details. // ** // ** This routine returns TRUE if the optimization is guaranteed to be used. // ** Sometimes the xfer optimization will only work if the destination table // ** is empty - a factor that can only be determined at run-time. In that // ** case, this routine generates code for the xfer optimization but also // ** does a test to see if the destination table is empty and jumps over the // ** xfer optimization code if the test fails. In that case, this routine // ** returns FALSE so that the caller will know to go ahead and generate // ** an unoptimized transfer. This routine also returns FALSE if there // ** is no chance that the xfer optimization can be applied. // ** // ** This optimization is particularly useful at making VACUUM run faster. // */ func _xferOptimization(tls *libc.TLS, pParse uintptr, pDest uintptr, pSelect uintptr, onError int32, iDbDest int32) (r int32) { var addr1, addr2, destHasUniqueIdx, emptyDestTest, emptySrcTest, i, iDbSrc, iDest, iSrc, regAutoinc, regData, regRowid, v4 int32 var db, pDestCol, pDestExpr, pDestIdx, pEList, pItem, pSrc, pSrcCol, pSrcExpr, pSrcIdx, v, zColl, v5 uintptr var idxInsFlags, insFlags Tu8 _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = addr1, addr2, db, destHasUniqueIdx, emptyDestTest, emptySrcTest, i, iDbSrc, iDest, iSrc, idxInsFlags, insFlags, pDestCol, pDestExpr, pDestIdx, pEList, pItem, pSrc, pSrcCol, pSrcExpr, pSrcIdx, regAutoinc, regData, regRowid, v, zColl, v4, v5 db = (*TParse)(unsafe.Pointer(pParse)).Fdb /* Loop addresses */ emptyDestTest = 0 /* Address of test for empty pDest */ emptySrcTest = 0 /* Memory register used by AUTOINC */ destHasUniqueIdx = 0 /* Registers holding data and rowid */ if (*TParse)(unsafe.Pointer(pParse)).FpWith != 0 || (*TSelect)(unsafe.Pointer(pSelect)).FpWith != 0 { /* Do not attempt to process this query if there are an WITH clauses ** attached to it. Proceeding may generate a false "no such table: xxx" ** error if pSelect reads from a CTE named "xxx". */ return 0 } if libc.Int32FromUint8((*TTable)(unsafe.Pointer(pDest)).FeTabType) == int32(TABTYP_VTAB) { return 0 /* tab1 must not be a virtual table */ } if onError == int32(OE_Default) { if int32((*TTable)(unsafe.Pointer(pDest)).FiPKey) >= 0 { onError = libc.Int32FromUint8((*TTable)(unsafe.Pointer(pDest)).FkeyConf) } if onError == int32(OE_Default) { onError = int32(OE_Abort) } } /* allocated even if there is no FROM clause */ if (*TSrcList)(unsafe.Pointer((*TSelect)(unsafe.Pointer(pSelect)).FpSrc)).FnSrc != int32(1) { return 0 /* FROM clause must have exactly one term */ } if int32(*(*uint32)(unsafe.Pointer((*TSelect)(unsafe.Pointer(pSelect)).FpSrc + 8 + 24 + 4))&0x4>>2) != 0 { return 0 /* FROM clause cannot contain a subquery */ } if (*TSelect)(unsafe.Pointer(pSelect)).FpWhere != 0 { return 0 /* SELECT may not have a WHERE clause */ } if (*TSelect)(unsafe.Pointer(pSelect)).FpOrderBy != 0 { return 0 /* SELECT may not have an ORDER BY clause */ } /* Do not need to test for a HAVING clause. If HAVING is present but ** there is no ORDER BY, we will get an error. */ if (*TSelect)(unsafe.Pointer(pSelect)).FpGroupBy != 0 { return 0 /* SELECT may not have a GROUP BY clause */ } if (*TSelect)(unsafe.Pointer(pSelect)).FpLimit != 0 { return 0 /* SELECT may not have a LIMIT clause */ } if (*TSelect)(unsafe.Pointer(pSelect)).FpPrior != 0 { return 0 /* SELECT may not be a compound query */ } if (*TSelect)(unsafe.Pointer(pSelect)).FselFlags&uint32(SF_Distinct) != 0 { return 0 /* SELECT may not be DISTINCT */ } pEList = (*TSelect)(unsafe.Pointer(pSelect)).FpEList if (*TExprList)(unsafe.Pointer(pEList)).FnExpr != int32(1) { return 0 /* The result set must have exactly one column */ } if libc.Int32FromUint8((*TExpr)(unsafe.Pointer((*(*TExprList_item)(unsafe.Pointer(pEList + 8))).FpExpr)).Fop) != int32(TK_ASTERISK) { return 0 /* The result set must be the special operator "*" */ } /* At this point we have established that the statement is of the ** correct syntactic form to participate in this optimization. Now ** we have to check the semantics. */ pItem = (*TSelect)(unsafe.Pointer(pSelect)).FpSrc + 8 pSrc = _sqlite3LocateTableItem(tls, pParse, uint32(0), pItem) if pSrc == uintptr(0) { return 0 /* FROM clause does not contain a real table */ } if (*TTable)(unsafe.Pointer(pSrc)).Ftnum == (*TTable)(unsafe.Pointer(pDest)).Ftnum && (*TTable)(unsafe.Pointer(pSrc)).FpSchema == (*TTable)(unsafe.Pointer(pDest)).FpSchema { /* Possible due to bad sqlite_schema.rootpage */ return 0 /* tab1 and tab2 may not be the same table */ } if libc.BoolInt32((*TTable)(unsafe.Pointer(pDest)).FtabFlags&uint32(TF_WithoutRowid) == uint32(0)) != libc.BoolInt32((*TTable)(unsafe.Pointer(pSrc)).FtabFlags&uint32(TF_WithoutRowid) == uint32(0)) { return 0 /* source and destination must both be WITHOUT ROWID or not */ } if !(libc.Int32FromUint8((*TTable)(unsafe.Pointer(pSrc)).FeTabType) == libc.Int32FromInt32(TABTYP_NORM)) { return 0 /* tab2 may not be a view or virtual table */ } if int32((*TTable)(unsafe.Pointer(pDest)).FnCol) != int32((*TTable)(unsafe.Pointer(pSrc)).FnCol) { return 0 /* Number of columns must be the same in tab1 and tab2 */ } if int32((*TTable)(unsafe.Pointer(pDest)).FiPKey) != int32((*TTable)(unsafe.Pointer(pSrc)).FiPKey) { return 0 /* Both tables must have the same INTEGER PRIMARY KEY */ } if (*TTable)(unsafe.Pointer(pDest)).FtabFlags&uint32(TF_Strict) != uint32(0) && (*TTable)(unsafe.Pointer(pSrc)).FtabFlags&uint32(TF_Strict) == uint32(0) { return 0 /* Cannot feed from a non-strict into a strict table */ } i = 0 for { if !(i < int32((*TTable)(unsafe.Pointer(pDest)).FnCol)) { break } pDestCol = (*TTable)(unsafe.Pointer(pDest)).FaCol + uintptr(i)*16 pSrcCol = (*TTable)(unsafe.Pointer(pSrc)).FaCol + uintptr(i)*16 /* Even if tables t1 and t2 have identical schemas, if they contain ** generated columns, then this statement is semantically incorrect: ** ** INSERT INTO t2 SELECT * FROM t1; ** ** The reason is that generated column values are returned by the ** the SELECT statement on the right but the INSERT statement on the ** left wants them to be omitted. ** ** Nevertheless, this is a useful notational shorthand to tell SQLite ** to do a bulk transfer all of the content from t1 over to t2. ** ** We could, in theory, disable this (except for internal use by the ** VACUUM command where it is actually needed). But why do that? It ** seems harmless enough, and provides a useful service. */ if libc.Int32FromUint16((*TColumn)(unsafe.Pointer(pDestCol)).FcolFlags)&int32(COLFLAG_GENERATED) != libc.Int32FromUint16((*TColumn)(unsafe.Pointer(pSrcCol)).FcolFlags)&int32(COLFLAG_GENERATED) { return 0 /* Both columns have the same generated-column type */ } /* But the transfer is only allowed if both the source and destination ** tables have the exact same expressions for generated columns. ** This requirement could be relaxed for VIRTUAL columns, I suppose. */ if libc.Int32FromUint16((*TColumn)(unsafe.Pointer(pDestCol)).FcolFlags)&int32(COLFLAG_GENERATED) != 0 { if _sqlite3ExprCompare(tls, uintptr(0), _sqlite3ColumnExpr(tls, pSrc, pSrcCol), _sqlite3ColumnExpr(tls, pDest, pDestCol), -int32(1)) != 0 { return 0 /* Different generator expressions */ } } if libc.Int32FromUint8((*TColumn)(unsafe.Pointer(pDestCol)).Faffinity) != libc.Int32FromUint8((*TColumn)(unsafe.Pointer(pSrcCol)).Faffinity) { return 0 /* Affinity must be the same on all columns */ } if Xsqlite3_stricmp(tls, _sqlite3ColumnColl(tls, pDestCol), _sqlite3ColumnColl(tls, pSrcCol)) != 0 { return 0 /* Collating sequence must be the same on all columns */ } if int32(uint32(*(*uint8)(unsafe.Pointer(pDestCol + 8))&0xf>>0)) != 0 && !(int32(uint32(*(*uint8)(unsafe.Pointer(pSrcCol + 8))&0xf>>0)) != 0) { return 0 /* tab2 must be NOT NULL if tab1 is */ } /* Default values for second and subsequent columns need to match. */ if libc.Int32FromUint16((*TColumn)(unsafe.Pointer(pDestCol)).FcolFlags)&int32(COLFLAG_GENERATED) == 0 && i > 0 { pDestExpr = _sqlite3ColumnExpr(tls, pDest, pDestCol) pSrcExpr = _sqlite3ColumnExpr(tls, pSrc, pSrcCol) if libc.BoolInt32(pDestExpr == uintptr(0)) != libc.BoolInt32(pSrcExpr == uintptr(0)) || pDestExpr != uintptr(0) && libc.Xstrcmp(tls, *(*uintptr)(unsafe.Pointer(pDestExpr + 8)), *(*uintptr)(unsafe.Pointer(pSrcExpr + 8))) != 0 { return 0 /* Default values must be the same for all columns */ } } goto _1 _1: ; i = i + 1 } pDestIdx = (*TTable)(unsafe.Pointer(pDest)).FpIndex for { if !(pDestIdx != 0) { break } if libc.Int32FromUint8((*TIndex)(unsafe.Pointer(pDestIdx)).FonError) != OE_None { destHasUniqueIdx = int32(1) } pSrcIdx = (*TTable)(unsafe.Pointer(pSrc)).FpIndex for { if !(pSrcIdx != 0) { break } if _xferCompatibleIndex(tls, pDestIdx, pSrcIdx) != 0 { break } goto _3 _3: ; pSrcIdx = (*TIndex)(unsafe.Pointer(pSrcIdx)).FpNext } if pSrcIdx == uintptr(0) { return 0 /* pDestIdx has no corresponding index in pSrc */ } if (*TIndex)(unsafe.Pointer(pSrcIdx)).Ftnum == (*TIndex)(unsafe.Pointer(pDestIdx)).Ftnum && (*TTable)(unsafe.Pointer(pSrc)).FpSchema == (*TTable)(unsafe.Pointer(pDest)).FpSchema && _sqlite3FaultSim(tls, int32(411)) == SQLITE_OK { /* The sqlite3FaultSim() call allows this corruption test to be ** bypassed during testing, in order to exercise other corruption tests ** further downstream. */ return 0 /* Corrupt schema - two indexes on the same btree */ } goto _2 _2: ; pDestIdx = (*TIndex)(unsafe.Pointer(pDestIdx)).FpNext } if (*TTable)(unsafe.Pointer(pDest)).FpCheck != 0 && (*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags&uint32(DBFLAG_Vacuum) == uint32(0) && _sqlite3ExprListCompare(tls, (*TTable)(unsafe.Pointer(pSrc)).FpCheck, (*TTable)(unsafe.Pointer(pDest)).FpCheck, -int32(1)) != 0 { return 0 /* Tables have different CHECK constraints. Ticket #2252 */ } /* Disallow the transfer optimization if the destination table contains ** any foreign key constraints. This is more restrictive than necessary. ** But the main beneficiary of the transfer optimization is the VACUUM ** command, and the VACUUM command disables foreign key constraints. So ** the extra complication to make this rule less restrictive is probably ** not worth the effort. Ticket [6284df89debdfa61db8073e062908af0c9b6118e] */ if (*Tsqlite3)(unsafe.Pointer(db)).Fflags&uint64(SQLITE_ForeignKeys) != uint64(0) && (*(*struct { FaddColOffset int32 FpFKey uintptr FpDfltList uintptr })(unsafe.Pointer(pDest + 64))).FpFKey != uintptr(0) { return 0 } if (*Tsqlite3)(unsafe.Pointer(db)).Fflags&(libc.Uint64FromInt32(libc.Int32FromInt32(0x00001))<= 0 { addr1 = _sqlite3VdbeAddOp2(tls, v, int32(OP_Rowid), iSrc, regRowid) if (*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags&uint32(DBFLAG_Vacuum) == uint32(0) { addr2 = _sqlite3VdbeAddOp3(tls, v, int32(OP_NotExists), iDest, 0, regRowid) _sqlite3RowidConstraint(tls, pParse, onError, pDest) _sqlite3VdbeJumpHere(tls, v, addr2) } _autoIncStep(tls, pParse, regAutoinc, regRowid) } else { if (*TTable)(unsafe.Pointer(pDest)).FpIndex == uintptr(0) && !((*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags&libc.Uint32FromInt32(DBFLAG_VacuumInto) != 0) { addr1 = _sqlite3VdbeAddOp2(tls, v, int32(OP_NewRowid), iDest, regRowid) } else { addr1 = _sqlite3VdbeAddOp2(tls, v, int32(OP_Rowid), iSrc, regRowid) } } if (*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags&uint32(DBFLAG_Vacuum) != 0 { _sqlite3VdbeAddOp1(tls, v, int32(OP_SeekEnd), iDest) insFlags = libc.Uint8FromInt32(libc.Int32FromInt32(OPFLAG_APPEND) | libc.Int32FromInt32(OPFLAG_USESEEKRESULT) | libc.Int32FromInt32(OPFLAG_PREFORMAT)) } else { insFlags = libc.Uint8FromInt32(libc.Int32FromInt32(OPFLAG_NCHANGE) | libc.Int32FromInt32(OPFLAG_LASTROWID) | libc.Int32FromInt32(OPFLAG_APPEND) | libc.Int32FromInt32(OPFLAG_PREFORMAT)) } if (*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags&uint32(DBFLAG_Vacuum) == uint32(0) { _sqlite3VdbeAddOp3(tls, v, int32(OP_RowData), iSrc, regData, int32(1)) insFlags = libc.Uint8FromInt32(int32(insFlags) & ^libc.Int32FromInt32(OPFLAG_PREFORMAT)) } else { _sqlite3VdbeAddOp3(tls, v, int32(OP_RowCell), iDest, iSrc, regRowid) } _sqlite3VdbeAddOp3(tls, v, int32(OP_Insert), iDest, regData, regRowid) if (*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags&uint32(DBFLAG_Vacuum) == uint32(0) { _sqlite3VdbeChangeP4(tls, v, -int32(1), pDest, -int32(5)) } _sqlite3VdbeChangeP5(tls, v, uint16(insFlags)) _sqlite3VdbeAddOp2(tls, v, int32(OP_Next), iSrc, addr1) _sqlite3VdbeAddOp2(tls, v, int32(OP_Close), iSrc, 0) _sqlite3VdbeAddOp2(tls, v, int32(OP_Close), iDest, 0) } else { _sqlite3TableLock(tls, pParse, iDbDest, (*TTable)(unsafe.Pointer(pDest)).Ftnum, uint8(1), (*TTable)(unsafe.Pointer(pDest)).FzName) _sqlite3TableLock(tls, pParse, iDbSrc, (*TTable)(unsafe.Pointer(pSrc)).Ftnum, uint8(0), (*TTable)(unsafe.Pointer(pSrc)).FzName) } pDestIdx = (*TTable)(unsafe.Pointer(pDest)).FpIndex for { if !(pDestIdx != 0) { break } idxInsFlags = uint8(0) pSrcIdx = (*TTable)(unsafe.Pointer(pSrc)).FpIndex for { if !(pSrcIdx != 0) { break } if _xferCompatibleIndex(tls, pDestIdx, pSrcIdx) != 0 { break } goto _9 _9: ; pSrcIdx = (*TIndex)(unsafe.Pointer(pSrcIdx)).FpNext } _sqlite3VdbeAddOp3(tls, v, int32(OP_OpenRead), iSrc, libc.Int32FromUint32((*TIndex)(unsafe.Pointer(pSrcIdx)).Ftnum), iDbSrc) _sqlite3VdbeSetP4KeyInfo(tls, pParse, pSrcIdx) _sqlite3VdbeAddOp3(tls, v, int32(OP_OpenWrite), iDest, libc.Int32FromUint32((*TIndex)(unsafe.Pointer(pDestIdx)).Ftnum), iDbDest) _sqlite3VdbeSetP4KeyInfo(tls, pParse, pDestIdx) _sqlite3VdbeChangeP5(tls, v, uint16(OPFLAG_BULKCSR)) addr1 = _sqlite3VdbeAddOp2(tls, v, int32(OP_Rewind), iSrc, 0) if (*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags&uint32(DBFLAG_Vacuum) != 0 { /* This INSERT command is part of a VACUUM operation, which guarantees ** that the destination table is empty. If all indexed columns use ** collation sequence BINARY, then it can also be assumed that the ** index will be populated by inserting keys in strictly sorted ** order. In this case, instead of seeking within the b-tree as part ** of every OP_IdxInsert opcode, an OP_SeekEnd is added before the ** OP_IdxInsert to seek to the point within the b-tree where each key ** should be inserted. This is faster. ** ** If any of the indexed columns use a collation sequence other than ** BINARY, this optimization is disabled. This is because the user ** might change the definition of a collation sequence and then run ** a VACUUM command. In that case keys may not be written in strictly ** sorted order. */ i = 0 for { if !(i < libc.Int32FromUint16((*TIndex)(unsafe.Pointer(pSrcIdx)).FnColumn)) { break } zColl = **(**uintptr)(__ccgo_up((*TIndex)(unsafe.Pointer(pSrcIdx)).FazColl + uintptr(i)*8)) if Xsqlite3_stricmp(tls, uintptr(unsafe.Pointer(&_sqlite3StrBINARY)), zColl) != 0 { break } goto _10 _10: ; i = i + 1 } if i == libc.Int32FromUint16((*TIndex)(unsafe.Pointer(pSrcIdx)).FnColumn) { idxInsFlags = libc.Uint8FromInt32(libc.Int32FromInt32(OPFLAG_USESEEKRESULT) | libc.Int32FromInt32(OPFLAG_PREFORMAT)) _sqlite3VdbeAddOp1(tls, v, int32(OP_SeekEnd), iDest) _sqlite3VdbeAddOp2(tls, v, int32(OP_RowCell), iDest, iSrc) } } else { if !((*TTable)(unsafe.Pointer(pSrc)).FtabFlags&libc.Uint32FromInt32(TF_WithoutRowid) == libc.Uint32FromInt32(0)) && int32(uint32(*(*uint16)(unsafe.Pointer(pDestIdx + 100))&0x3>>0)) == int32(SQLITE_IDXTYPE_PRIMARYKEY) { idxInsFlags = libc.Uint8FromInt32(int32(idxInsFlags) | libc.Int32FromInt32(OPFLAG_NCHANGE)) } } if libc.Int32FromUint8(idxInsFlags) != libc.Int32FromInt32(OPFLAG_USESEEKRESULT)|libc.Int32FromInt32(OPFLAG_PREFORMAT) { _sqlite3VdbeAddOp3(tls, v, int32(OP_RowData), iSrc, regData, int32(1)) if (*Tsqlite3)(unsafe.Pointer(db)).FmDbFlags&uint32(DBFLAG_Vacuum) == uint32(0) && !((*TTable)(unsafe.Pointer(pDest)).FtabFlags&libc.Uint32FromInt32(TF_WithoutRowid) == libc.Uint32FromInt32(0)) && int32(uint32(*(*uint16)(unsafe.Pointer(pDestIdx + 100))&0x3>>0)) == int32(SQLITE_IDXTYPE_PRIMARYKEY) { _codeWithoutRowidPreupdate(tls, pParse, pDest, iDest, regData) } } _sqlite3VdbeAddOp2(tls, v, int32(OP_IdxInsert), iDest, regData) _sqlite3VdbeChangeP5(tls, v, libc.Uint16FromInt32(libc.Int32FromUint8(idxInsFlags)|int32(OPFLAG_APPEND))) _sqlite3VdbeAddOp2(tls, v, int32(OP_Next), iSrc, addr1+int32(1)) _sqlite3VdbeJumpHere(tls, v, addr1) _sqlite3VdbeAddOp2(tls, v, int32(OP_Close), iSrc, 0) _sqlite3VdbeAddOp2(tls, v, int32(OP_Close), iDest, 0) goto _8 _8: ; pDestIdx = (*TIndex)(unsafe.Pointer(pDestIdx)).FpNext } if emptySrcTest != 0 { _sqlite3VdbeJumpHere(tls, v, emptySrcTest) } _sqlite3ReleaseTempReg(tls, pParse, regRowid) _sqlite3ReleaseTempReg(tls, pParse, regData) if emptyDestTest != 0 { _sqlite3AutoincrementEnd(tls, pParse) _sqlite3VdbeAddOp2(tls, v, int32(OP_Halt), SQLITE_OK, 0) _sqlite3VdbeJumpHere(tls, v, emptyDestTest) _sqlite3VdbeAddOp2(tls, v, int32(OP_Close), iDest, 0) return 0 } else { return int32(1) } return r } // C documentation // // /* // ** Set up a raw page so that it looks like a database page holding // ** no entries. // */ func _zeroPage(tls *libc.TLS, pPage uintptr, flags int32) { var data, pBt uintptr var first, hdr, v1 int32 _, _, _, _, _ = data, first, hdr, pBt, v1 data = (*TMemPage)(unsafe.Pointer(pPage)).FaData pBt = (*TMemPage)(unsafe.Pointer(pPage)).FpBt hdr = libc.Int32FromUint8((*TMemPage)(unsafe.Pointer(pPage)).FhdrOffset) if libc.Int32FromUint16((*TBtShared)(unsafe.Pointer(pBt)).FbtsFlags)&int32(BTS_FAST_SECURE) != 0 { libc.Xmemset(tls, data+uintptr(hdr), 0, uint64((*TBtShared)(unsafe.Pointer(pBt)).FusableSize-libc.Uint32FromInt32(hdr))) } **(**uint8)(__ccgo_up(data + uintptr(hdr))) = uint8(libc.Uint8FromInt32(flags)) if flags&int32(PTF_LEAF) == 0 { v1 = int32(12) } else { v1 = int32(8) } first = hdr + v1 libc.Xmemset(tls, data+uintptr(hdr+int32(1)), 0, uint64(4)) **(**uint8)(__ccgo_up(data + uintptr(hdr+int32(7)))) = uint8(0) **(**uint8)(__ccgo_up(data + uintptr(hdr+int32(5)))) = uint8((*TBtShared)(unsafe.Pointer(pBt)).FusableSize >> libc.Int32FromInt32(8)) **(**uint8)(__ccgo_up(data + uintptr(hdr+int32(5)) + 1)) = uint8((*TBtShared)(unsafe.Pointer(pBt)).FusableSize) (*TMemPage)(unsafe.Pointer(pPage)).FnFree = libc.Int32FromUint16(uint16((*TBtShared)(unsafe.Pointer(pBt)).FusableSize - libc.Uint32FromInt32(first))) _decodeFlags(tls, pPage, flags) (*TMemPage)(unsafe.Pointer(pPage)).FcellOffset = libc.Uint16FromInt32(first) (*TMemPage)(unsafe.Pointer(pPage)).FaDataEnd = data + uintptr((*TBtShared)(unsafe.Pointer(pBt)).FpageSize) (*TMemPage)(unsafe.Pointer(pPage)).FaCellIdx = data + uintptr(first) (*TMemPage)(unsafe.Pointer(pPage)).FaDataOfst = data + uintptr((*TMemPage)(unsafe.Pointer(pPage)).FchildPtrSize) (*TMemPage)(unsafe.Pointer(pPage)).FnOverflow = uint8(0) (*TMemPage)(unsafe.Pointer(pPage)).FmaskPage = uint16((*TBtShared)(unsafe.Pointer(pBt)).FpageSize - libc.Uint32FromInt32(1)) (*TMemPage)(unsafe.Pointer(pPage)).FnCell = uint16(0) (*TMemPage)(unsafe.Pointer(pPage)).FisInit = uint8(1) }