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Tid access method feature from Hiroshi Inoue, Inoue@tpf.co.jp

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This commit is contained in:
Bruce Momjian
1999-11-23 20:07:06 +00:00
parent 54ffd4677a
commit 6f9ff92cc0
28 changed files with 1396 additions and 32 deletions
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42
src/backend/nodes/equalfuncs.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.51 1999/11/15 03:28:06 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.52 1999/11/23 20:06:52 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -330,6 +330,18 @@ _equalIndexPath(IndexPath *a, IndexPath *b)
return true;
}
static bool
_equalTidPath(TidPath *a, TidPath *b)
{
if (!_equalPath((Path *) a, (Path *) b))
return false;
if (!equal(a->tideval, b->tideval))
return false;
if (!equali(a->unjoined_relids, b->unjoined_relids))
return false;
return true;
}
static bool
_equalJoinPath(JoinPath *a, JoinPath *b)
{
@@ -403,6 +415,28 @@ _equalIndexScan(IndexScan *a, IndexScan *b)
return true;
}
static bool
_equalTidScan(TidScan *a, TidScan *b)
{
Assert(IsA(a, TidScan));
Assert(IsA(b, TidScan));
/*
* if(a->scan.plan.cost != b->scan.plan.cost) return(false);
*/
if (a->needRescan != b->needRescan)
return false;
if (!equal(a->tideval, b->tideval))
return false;
if (a->scan.scanrelid != b->scan.scanrelid)
return false;
return true;
}
static bool
_equalSubPlan(SubPlan *a, SubPlan *b)
{
@@ -756,6 +790,9 @@ equal(void *a, void *b)
case T_IndexPath:
retval = _equalIndexPath(a, b);
break;
case T_TidPath:
retval = _equalTidPath(a, b);
break;
case T_NestPath:
retval = _equalNestPath(a, b);
break;
@@ -768,6 +805,9 @@ equal(void *a, void *b)
case T_IndexScan:
retval = _equalIndexScan(a, b);
break;
case T_TidScan:
retval = _equalTidScan(a, b);
break;
case T_SubPlan:
retval = _equalSubPlan(a, b);
break;