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The query optimizer now attempts to satisfy an ORDER BY clause using

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an index.  Sorting is still used if there are no suitable indices. (CVS 628)

FossilOrigin-Name: f09e19b43ef61073713cf32282c90ea666229eba
This commit is contained in:
drh
2002-06-19 14:27:05 +00:00
parent c2bb7c3dd9
commit e31847449e
10 changed files with 270 additions and 48 deletions
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6
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 1.93 2002/06/14 22:38:42 drh Exp $
** $Id: select.c,v 1.94 2002/06/19 14:27:05 drh Exp $
*/
#include "sqliteInt.h"
@@ -1750,7 +1750,7 @@ int sqliteSelect(
/* Begin the database scan
*/
pWInfo = sqliteWhereBegin(pParse, p->base, pTabList, pWhere, 0);
pWInfo = sqliteWhereBegin(pParse, p->base, pTabList, pWhere, 0, &pOrderBy);
if( pWInfo==0 ) goto select_end;
/* Use the standard inner loop if we are not dealing with
@@ -1763,7 +1763,7 @@ int sqliteSelect(
}
}
/* If we are dealing with aggregates, then to the special aggregate
/* If we are dealing with aggregates, then do the special aggregate
** processing.
*/
else{