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Improved comment on the OP_OpenDup used to get a new cursor for a

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reused materialized CTE.

FossilOrigin-Name: b1926cc0ab2b81c7df30c4baa6014efcfddb9631f6e46a55c1cec0113ee1afdc
This commit is contained in:
drh
2021-08-11 13:19:13 +00:00
parent f9d349a80d
commit 834c688171
3 changed files with 8 additions and 7 deletions
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src/select.c
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@@ -6644,6 +6644,7 @@ int sqlite3Select(
sqlite3VdbeAddOp2(v, OP_Gosub, pCteUse->regRtn, pCteUse->addrM9e);
if( pItem->iCursor!=pCteUse->iCur ){
sqlite3VdbeAddOp2(v, OP_OpenDup, pItem->iCursor, pCteUse->iCur);
VdbeComment((v, "%!S", pItem));
}
pSub->nSelectRow = pCteUse->nRowEst;
}else if( (pPrior = isSelfJoinView(pTabList, pItem))!=0 ){