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Merge enhancements from trunk.

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FossilOrigin-Name: d192d737755876293a2914fcb9a0d5efbe07f3cd281c038666ea5aa879c06321
This commit is contained in:
drh
2021-03-19 19:09:24 +00:00
parent a979993b25 49e6e5a04f
commit d218decec5
9 changed files with 58 additions and 21 deletions
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6
src/select.c
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@@ -6386,7 +6386,9 @@ int sqlite3Select(
sqlite3VdbeAddOp2(v, OP_OpenDup, pItem->iCursor, pPrior->iCursor);
pSub->nSelectRow = pPrior->pSelect->nSelectRow;
}else{
/* Generate a subroutine that will materialize the view. */
/* Materalize the view. If the view is not correlated, generate a
** subroutine to do the materialization so that subsequent uses of
** the same view can reuse the materialization. */
int topAddr;
int onceAddr = 0;
int retAddr;
@@ -6413,7 +6415,7 @@ int sqlite3Select(
VdbeComment((v, "end %!S", pItem));
sqlite3VdbeChangeP1(v, topAddr, retAddr);
sqlite3ClearTempRegCache(pParse);
if( pItem->fg.isCte ){
if( pItem->fg.isCte && pItem->fg.isCorrelated==0 ){
CteUse *pCteUse = pItem->u2.pCteUse;
pCteUse->addrM9e = pItem->addrFillSub;
pCteUse->regRtn = pItem->regReturn;