mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-01-18 18:44:06 +08:00
Code Issues Packages Projects Releases Wiki Activity

Back-patch fix for NOT-below-a-NOT case.

Browse Source
This commit is contained in:
Tom Lane 2005-07-29 21:40:26 +00:00
parent f4bbe13491
commit 81f2d972a8
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/backend/optimizer/prep/prepqual.c
View File

@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/prep/prepqual.c,v 1.48 2004/12/31 22:00:20 pgsql Exp $ * $PostgreSQL: pgsql/src/backend/optimizer/prep/prepqual.c,v 1.48.4.1 2005/07/29 21:40:26 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -335,9 +335,10 @@ push_nots(Expr *qual)
{ {
/* /*
* Another NOT cancels this NOT, so eliminate the NOT and stop * Another NOT cancels this NOT, so eliminate the NOT and stop
* negating this branch. * negating this branch. But search the subexpression for more
* NOTs to simplify.
*/ */
return get_notclausearg(qual); return find_nots(get_notclausearg(qual));
} }
else else
{ {