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Allow index use with OR clauses.

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This commit is contained in:
Bruce Momjian
1998-08-01 22:12:13 +00:00
parent 0668aa8817
commit 0a2e5cdfc9
9 changed files with 289 additions and 318 deletions
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18
src/backend/nodes/equalfuncs.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.16 1998/02/26 04:32:07 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.17 1998/08/01 22:12:07 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -302,6 +302,19 @@ _equalCInfo(CInfo *a, CInfo *b)
(b->indexids)));
}
/*
* RelOptInfo is a subclass of Node.
*/
static bool
_equalRelOptInfo(RelOptInfo *a, RelOptInfo *b)
{
Assert(IsA(a, RelOptInfo));
Assert(IsA(b, RelOptInfo));
return (equal((a->relids),
(b->relids)));
}
static bool
_equalJoinMethod(JoinMethod *a, JoinMethod *b)
{
@@ -663,6 +676,9 @@ equal(void *a, void *b)
case T_CInfo:
retval = _equalCInfo(a, b);
break;
case T_RelOptInfo:
retval = _equalRelOptInfo(a, b);
break;
case T_JoinMethod:
retval = _equalJoinMethod(a, b);
break;