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Overview
| Comment: | Avoid unnecessary calls to sqlite3ExprCacheAffinityChange() when generating OP_MakeRecord opcodes that do not change any register affinities. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
e211c579b2f092e3283edd5fb9add7c5 |
| User & Date: | drh 2016-11-14 15:28:56 |
Context
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2016-11-14
| ||
| 17:25 | Fix the ossfuzz.c test module so that it does not segfault after a "PRAGMA empty_result_callbacks=1;". Add the ossshell.c program for simple command-line testing of ossfuzz.c. (check-in: 6f2d43ec user: drh tags: trunk) | |
| 15:28 | Avoid unnecessary calls to sqlite3ExprCacheAffinityChange() when generating OP_MakeRecord opcodes that do not change any register affinities. (check-in: e211c579 user: drh tags: trunk) | |
| 08:19 | Fix an fts5 problem causing a crash in phrase queries where the first token of the phrase matches one or more rows but some other token within the phrase matches zero. (check-in: e78f6f3b user: dan tags: trunk) | |
Changes
Changes to src/insert.c.
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}
sqlite3VdbeAddOp2(v, iField<0 ? OP_IntCopy : OP_SCopy, x, regIdx+i);
VdbeComment((v, "%s", iField<0 ? "rowid" : pTab->aCol[iField].zName));
}
}
sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[ix]);
VdbeComment((v, "for %s", pIdx->zName));
sqlite3ExprCacheAffinityChange(pParse, regIdx, pIdx->nColumn);
/* In an UPDATE operation, if this index is the PRIMARY KEY index
** of a WITHOUT ROWID table and there has been no change the
** primary key, then no collision is possible. The collision detection
** logic below can all be skipped. */
if( isUpdate && pPk==pIdx && pkChng==0 ){
sqlite3VdbeResolveLabel(v, addrUniqueOk);
................................................................................
}
sqlite3VdbeChangeP5(v, pik_flags);
}
if( !HasRowid(pTab) ) return;
regData = regNewData + 1;
regRec = sqlite3GetTempReg(pParse);
sqlite3VdbeAddOp3(v, OP_MakeRecord, regData, pTab->nCol, regRec);
if( !bAffinityDone ) sqlite3TableAffinity(v, pTab, 0);
sqlite3ExprCacheAffinityChange(pParse, regData, pTab->nCol);
if( pParse->nested ){
pik_flags = 0;
}else{
pik_flags = OPFLAG_NCHANGE;
pik_flags |= (isUpdate?OPFLAG_ISUPDATE:OPFLAG_LASTROWID);
}
if( appendBias ){
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}
sqlite3VdbeAddOp2(v, iField<0 ? OP_IntCopy : OP_SCopy, x, regIdx+i);
VdbeComment((v, "%s", iField<0 ? "rowid" : pTab->aCol[iField].zName));
}
}
sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[ix]);
VdbeComment((v, "for %s", pIdx->zName));
/* In an UPDATE operation, if this index is the PRIMARY KEY index
** of a WITHOUT ROWID table and there has been no change the
** primary key, then no collision is possible. The collision detection
** logic below can all be skipped. */
if( isUpdate && pPk==pIdx && pkChng==0 ){
sqlite3VdbeResolveLabel(v, addrUniqueOk);
................................................................................
}
sqlite3VdbeChangeP5(v, pik_flags);
}
if( !HasRowid(pTab) ) return;
regData = regNewData + 1;
regRec = sqlite3GetTempReg(pParse);
sqlite3VdbeAddOp3(v, OP_MakeRecord, regData, pTab->nCol, regRec);
if( !bAffinityDone ){
sqlite3TableAffinity(v, pTab, 0);
sqlite3ExprCacheAffinityChange(pParse, regData, pTab->nCol);
}
if( pParse->nested ){
pik_flags = 0;
}else{
pik_flags = OPFLAG_NCHANGE;
pik_flags |= (isUpdate?OPFLAG_ISUPDATE:OPFLAG_LASTROWID);
}
if( appendBias ){
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