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

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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
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7
src/backend/optimizer/prep/prepqual.c
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@ -8,7 +8,7 @@
*
*
* 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
* 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
{