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Fix for select 1=1 or 2=2, select 1=1 and 2=2, and select sum(2+2).

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This commit is contained in:
Bruce Momjian
1997-12-22 05:42:25 +00:00
parent 78a055a659
commit d404f1006b
10 changed files with 69 additions and 56 deletions
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11
src/backend/optimizer/plan/setrefs.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.9 1997/12/20 07:59:28 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.10 1997/12/22 05:42:10 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -329,6 +329,15 @@ replace_clause_joinvar_refs(Expr *clause,
{
return ((List *) clause);
}
else if (and_clause((Node *) clause))
{
List *andclause =
replace_subclause_joinvar_refs(((Expr *) clause)->args,
outer_tlist,
inner_tlist);
return ((List *) make_andclause(andclause));
}
else if (or_clause((Node *) clause))
{
List *orclause =