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Fix an error in estimating of the number of rows visited by a range scan.

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FossilOrigin-Name: d491de62fce69d93e89f65f7713972f7c2c451f7
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dan
2014-04-28 08:49:54 +00:00
parent 2dd3cdcfab
commit 440e6ff3b0
4 changed files with 41 additions and 9 deletions
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7
src/where.c
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@@ -4241,7 +4241,12 @@ static int whereLoopAddBtreeIndex(
pNew->nOut += nInMul + nIn;
whereLoopOutputAdjust(pBuilder->pWC, pNew);
rc = whereLoopInsert(pBuilder, pNew);
pNew->nOut = nOutUnadjusted;
if( pNew->wsFlags & WHERE_COLUMN_RANGE ){
pNew->nOut = saved_nOut;
}else{
pNew->nOut = nOutUnadjusted;
}
if( (pNew->wsFlags & WHERE_TOP_LIMIT)==0
&& pNew->u.btree.nEq<(pProbe->nKeyCol + (pProbe->zName!=0))