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New HeapTuple structure/interface.

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This commit is contained in:
Vadim B. Mikheev
1998-11-27 19:52:36 +00:00
parent 2435c7d501
commit 6beba218d7
65 changed files with 834 additions and 850 deletions
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23
src/backend/executor/nodeGroup.c
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@ -13,7 +13,7 @@
* columns. (ie. tuples from the same group are consecutive)
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.22 1998/09/01 04:28:28 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.23 1998/11/27 19:52:01 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -102,13 +102,12 @@ ExecGroupEveryTuple(Group *node)
else
{
outerslot = ExecProcNode(outerPlan(node), (Plan *) node);
if (outerslot)
outerTuple = outerslot->val;
if (!HeapTupleIsValid(outerTuple))
if (TupIsNull(outerslot))
{
grpstate->grp_done = TRUE;
return NULL;
}
outerTuple = outerslot->val;
firsttuple = grpstate->grp_firstTuple;
/* this should occur on the first call only */
@ -121,7 +120,7 @@ ExecGroupEveryTuple(Group *node)
* Compare with first tuple and see if this tuple is of the
* same group.
*/
if (!sameGroup(firsttuple, outerslot->val,
if (!sameGroup(firsttuple, outerTuple,
node->numCols, node->grpColIdx,
ExecGetScanType(&grpstate->csstate)))
{
@ -189,14 +188,13 @@ ExecGroupOneTuple(Group *node)
if (firsttuple == NULL)
{
outerslot = ExecProcNode(outerPlan(node), (Plan *) node);
if (outerslot)
outerTuple = outerslot->val;
if (!HeapTupleIsValid(outerTuple))
if (TupIsNull(outerslot))
{
grpstate->grp_done = TRUE;
return NULL;
}
grpstate->grp_firstTuple = firsttuple = heap_copytuple(outerTuple);
grpstate->grp_firstTuple = firsttuple =
heap_copytuple(outerslot->val);
}
/*
@ -205,19 +203,20 @@ ExecGroupOneTuple(Group *node)
for (;;)
{
outerslot = ExecProcNode(outerPlan(node), (Plan *) node);
outerTuple = (outerslot) ? outerslot->val : NULL;
if (!HeapTupleIsValid(outerTuple))
if (TupIsNull(outerslot))
{
grpstate->grp_done = TRUE;
outerTuple = NULL;
break;
}
outerTuple = outerslot->val;
/* ----------------
* Compare with first tuple and see if this tuple is of
* the same group.
* ----------------
*/
if ((!sameGroup(firsttuple, outerslot->val,
if ((!sameGroup(firsttuple, outerTuple,
node->numCols, node->grpColIdx,
ExecGetScanType(&grpstate->csstate))))
break;