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Where possible, take advantage of the rowid at the end of index records to optimize range constraints (<, >, <=, >=) on the rowid column.

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FossilOrigin-Name: 3b58f5f06648205a47e5cace0201269c406e476a
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dan
2011-11-16 15:27:09 +00:00
parent bf567db91d
commit 0c733f67d8
7 changed files with 113 additions and 30 deletions
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4
src/vdbe.c
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@@ -4616,9 +4616,9 @@ case OP_IdxGE: { /* jump */
r.pKeyInfo = pC->pKeyInfo;
r.nField = (u16)pOp->p4.i;
if( pOp->p5 ){
r.flags = UNPACKED_INCRKEY | UNPACKED_IGNORE_ROWID;
r.flags = UNPACKED_INCRKEY | UNPACKED_PREFIX_MATCH;
}else{
r.flags = UNPACKED_IGNORE_ROWID;
r.flags = UNPACKED_PREFIX_MATCH;
}
r.aMem = &aMem[pOp->p3];
#ifdef SQLITE_DEBUG