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Claw back some performance from the sqlite3ExprGetColumnOfTable() routine.

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FossilOrigin-Name: e8426acb94179ff49549aced6ea3c26c49ba4761c2f414fa1772d6a031edc79d
This commit is contained in:
drh
2019-10-18 12:52:08 +00:00
parent 01ef55e0f5
commit 6df9c4b990
11 changed files with 40 additions and 35 deletions
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4
src/wherecode.c
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@@ -2072,7 +2072,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
if( (pWInfo->wctrlFlags & WHERE_DUPLICATES_OK)==0 ){
int iSet = ((ii==pOrWc->nTerm-1)?-1:ii);
if( HasRowid(pTab) ){
sqlite3ExprCodeGetColumnOfTable(pParse, pTab, iCur, -1, regRowid);
sqlite3ExprCodeGetColumnOfTable(v, pTab, iCur, -1, regRowid);
jmp1 = sqlite3VdbeAddOp4Int(v, OP_RowSetTest, regRowset, 0,
regRowid, iSet);
VdbeCoverage(v);
@@ -2086,7 +2086,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
r = sqlite3GetTempRange(pParse, nPk);
for(iPk=0; iPk<nPk; iPk++){
int iCol = pPk->aiColumn[iPk];
sqlite3ExprCodeGetColumnOfTable(pParse, pTab, iCur, iCol,r+iPk);
sqlite3ExprCodeGetColumnOfTable(v, pTab, iCur, iCol,r+iPk);
}
/* Check if the temp table already contains this key. If so,