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Give the virtual table xBestIndex method access to (some) OFFSET and LIMIT

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clauses.

FossilOrigin-Name: 74fa5757ee0a8499bcd6546dac1a3ecc6048ba9cff9e3e574e28e6e82e894a3d
This commit is contained in:
drh
2022-01-27 16:14:50 +00:00
parent 4b51e8bd68
commit 895bab3383
14 changed files with 174 additions and 35 deletions
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6
src/select.c
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@@ -6898,7 +6898,7 @@ int sqlite3Select(
/* Begin the database scan. */
SELECTTRACE(1,pParse,p,("WhereBegin\n"));
pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, sSort.pOrderBy,
p->pEList, wctrlFlags, p->nSelectRow);
p->pEList, p, wctrlFlags, p->nSelectRow);
if( pWInfo==0 ) goto select_end;
if( sqlite3WhereOutputRowCount(pWInfo) < p->nSelectRow ){
p->nSelectRow = sqlite3WhereOutputRowCount(pWInfo);
@@ -7162,7 +7162,7 @@ int sqlite3Select(
sqlite3VdbeAddOp2(v, OP_Gosub, regReset, addrReset);
SELECTTRACE(1,pParse,p,("WhereBegin\n"));
pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, pGroupBy, pDistinct,
WHERE_GROUPBY | (orderByGrp ? WHERE_SORTBYGROUP : 0) | distFlag, 0
0, (WHERE_GROUPBY|(orderByGrp ? WHERE_SORTBYGROUP : 0)|distFlag), 0
);
if( pWInfo==0 ){
sqlite3ExprListDelete(db, pDistinct);
@@ -7460,7 +7460,7 @@ int sqlite3Select(
SELECTTRACE(1,pParse,p,("WhereBegin\n"));
pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, pMinMaxOrderBy,
pDistinct, minMaxFlag|distFlag, 0);
pDistinct, 0, minMaxFlag|distFlag, 0);
if( pWInfo==0 ){
goto select_end;
}