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Trivial simplification to the automatic index logic.

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FossilOrigin-Name: 23073a053931de324323f631a6613086786af411
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drh
2014-10-28 15:58:50 +00:00
parent 916cd23b2c
commit c3ef4fa88a
3 changed files with 8 additions and 9 deletions
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3
src/where.c
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@@ -1651,7 +1651,7 @@ static void constructAutomaticIndex(
** if they go out of sync.
*/
extraCols = pSrc->colUsed & (~idxCols | MASKBIT(BMS-1));
mxBitCol = (pTable->nCol >= BMS-1) ? BMS-1 : pTable->nCol;
mxBitCol = MIN(BMS-1,pTable->nCol);
testcase( pTable->nCol==BMS-1 );
testcase( pTable->nCol==BMS-2 );
for(i=0; i<mxBitCol; i++){
@@ -1660,7 +1660,6 @@ static void constructAutomaticIndex(
if( pSrc->colUsed & MASKBIT(BMS-1) ){
nKeyCol += pTable->nCol - BMS + 1;
}
pLoop->wsFlags |= WHERE_COLUMN_EQ | WHERE_IDX_ONLY;
/* Construct the Index object to describe this index */
pIdx = sqlite3AllocateIndexObject(pParse->db, nKeyCol+1, 0, &zNotUsed);