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Take the LIMIT clause into account when estimating the cost of sorting.

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FossilOrigin-Name: d491745cab951e0de70f1f79b7640ea8aff6e8bb
This commit is contained in:
drh
2016-02-25 16:04:59 +00:00
parent d8c22ac655
commit c3489bbf77
7 changed files with 93 additions and 59 deletions
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5
src/treeview.c
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@@ -132,9 +132,10 @@ void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 moreToFollow){
sqlite3TreeViewPush(pView, 1);
}
do{
sqlite3TreeViewLine(pView, "SELECT%s%s (0x%p) selFlags=0x%x",
sqlite3TreeViewLine(pView, "SELECT%s%s (0x%p) selFlags=0x%x nSelectRow=%d",
((p->selFlags & SF_Distinct) ? " DISTINCT" : ""),
((p->selFlags & SF_Aggregate) ? " agg_flag" : ""), p, p->selFlags
((p->selFlags & SF_Aggregate) ? " agg_flag" : ""), p, p->selFlags,
(int)p->nSelectRow
);
if( cnt++ ) sqlite3TreeViewPop(pView);
if( p->pPrior ){