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Disable the "SELECT max(rowid) ..." optimization for virtual tables. Ticket #2250. (CVS 3669)

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FossilOrigin-Name: ddb4d0af5770c7030fe6e92119972c9508724b9a
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danielk1977
2007-03-02 07:27:00 +00:00
parent b4622b6075
commit a41c7497e8
4 changed files with 90 additions and 8 deletions
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4
src/select.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle SELECT statements in SQLite.
**
** $Id: select.c,v 1.329 2007/02/24 13:23:53 drh Exp $
** $Id: select.c,v 1.330 2007/03/02 07:27:00 danielk1977 Exp $
*/
#include "sqliteInt.h"
@@ -2367,6 +2367,8 @@ static int simpleMinMaxQuery(Parse *pParse, Select *p, int eDest, int iParm){
iCol = pExpr->iColumn;
pTab = pSrc->a[0].pTab;
/* This optimization cannot be used with virtual tables. */
if( IsVirtual(pTab) ) return 0;
/* If we get to here, it means the query is of the correct form.
** Check to make sure we have an index and make pIdx point to the