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Small performance improvement and size reduction by reducing the size of

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the WhereTerm object.

FossilOrigin-Name: 43f7ddad800acf40917c5cc3d926640dbec17c34d5f1cbbb74bd80f44eeed0a5
This commit is contained in:
drh
2020-09-28 15:49:43 +00:00
parent f573b4fb94
commit 75fa266341
6 changed files with 41 additions and 39 deletions
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4
src/wherecode.c
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@@ -427,7 +427,7 @@ static Expr *removeUnindexableInClauseTerms(
for(i=iEq; i<pLoop->nLTerm; i++){
if( pLoop->aLTerm[i]->pExpr==pX ){
int iField = pLoop->aLTerm[i]->iField - 1;
int iField = pLoop->aLTerm[i]->u.x.iField - 1;
if( pOrigRhs->a[iField].pExpr==0 ) continue; /* Duplicate PK column */
pRhs = sqlite3ExprListAppend(pParse, pRhs, pOrigRhs->a[iField].pExpr);
pOrigRhs->a[iField].pExpr = 0;
@@ -2414,7 +2414,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
#endif
assert( !ExprHasProperty(pE, EP_FromJoin) );
assert( (pTerm->prereqRight & pLevel->notReady)!=0 );
pAlt = sqlite3WhereFindTerm(pWC, iCur, pTerm->u.leftColumn, notReady,
pAlt = sqlite3WhereFindTerm(pWC, iCur, pTerm->u.x.leftColumn, notReady,
WO_EQ|WO_IN|WO_IS, 0);
if( pAlt==0 ) continue;
if( pAlt->wtFlags & (TERM_CODED) ) continue;