database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-30 21:42:05 +03:00
Code Activity

> > Prevent sorting if result is already sorted

Browse Source 
> >
> > was implemented by Jan Wieck.
> > His work is for ascending order cases.
> >
> > Here is a patch to prevent sorting also in descending
> > order cases.
> > Because I had already changed _bt_first() to position
> > backward correctly before v6.5,this patch would work.
> >
Hiroshi Inoue
Inoue@tpf.co.jp
This commit is contained in:
Bruce Momjian
1999-08-09 06:20:27 +00:00
parent 5efe31214a
commit 158fd5f1c4
9 changed files with 78 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/backend/commands/explain.c
View File

@ -4,7 +4,7 @@
*
* Copyright (c) 1994-5, Regents of the University of California
*
* $Id: explain.c,v 1.43 1999/07/17 20:16:52 momjian Exp $
* $Id: explain.c,v 1.44 1999/08/09 06:20:21 momjian Exp $
*
*/
@ -200,6 +200,8 @@ explain_outNode(StringInfo str, Plan *plan, int indent, ExplainState *es)
switch (nodeTag(plan))
{
case T_IndexScan:
if (ScanDirectionIsBackward(((IndexScan *)plan)->indxorderdir))
appendStringInfo(str, " Backward");
appendStringInfo(str, " using ");
i = 0;
foreach(l, ((IndexScan *) plan)->indxid)