database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-30 21:42:05 +03:00
Code Activity

Support for subselects.

Browse Source 
ExecReScan for nodeAgg, nodeHash, nodeHashjoin, nodeNestloop and nodeResult.
Fixed ExecReScan for nodeMaterial.
Get rid of #ifdef INDEXSCAN_PATCH.
Get rid of ExecMarkPos and ExecRestrPos in nodeNestloop.
This commit is contained in:
Vadim B. Mikheev
1998-02-13 03:26:53 +00:00
parent 13637df458
commit 1a105cefbd
15 changed files with 677 additions and 153 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
src/backend/executor/execProcnode.c
View File

@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execProcnode.c,v 1.7 1998/01/07 21:02:44 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execProcnode.c,v 1.8 1998/02/13 03:26:40 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -89,6 +89,7 @@
#include "executor/nodeHash.h"
#include "executor/nodeHashjoin.h"
#include "executor/nodeTee.h"
#include "executor/nodeSubplan.h"
/* ------------------------------------------------------------------------
* ExecInitNode
@ -106,6 +107,7 @@ bool
ExecInitNode(Plan *node, EState *estate, Plan *parent)
{
bool result;
List *subp;
/* ----------------
* do nothing when we get to the end
@ -114,7 +116,14 @@ ExecInitNode(Plan *node, EState *estate, Plan *parent)
*/
if (node == NULL)
return FALSE;
foreach (subp, node->initPlan)
{
result = ExecInitSubPlan ((SubPlan*) lfirst (subp), estate, node);
if ( result == FALSE )
return (FALSE);
}
switch (nodeTag(node))
{
/* ----------------
@ -190,10 +199,19 @@ ExecInitNode(Plan *node, EState *estate, Plan *parent)
break;
default:
elog(DEBUG, "ExecInitNode: node not yet supported: %d",
nodeTag(node));
elog(ERROR, "ExecInitNode: node %d unsupported", nodeTag(node));
result = FALSE;
}
if ( result != FALSE )
{
foreach (subp, node->subPlan)
{
result = ExecInitSubPlan ((SubPlan*) lfirst (subp), estate, node);
if ( result == FALSE )
return (FALSE);
}
}
return result;
}
@ -217,7 +235,10 @@ ExecProcNode(Plan *node, Plan *parent)
*/
if (node == NULL)
return NULL;
if ( node->chgParam != NULL ) /* something changed */
ExecReScan (node, NULL, parent); /* let ReScan handle this */
switch (nodeTag(node))
{
/* ----------------
@ -293,9 +314,8 @@ ExecProcNode(Plan *node, Plan *parent)
break;
default:
elog(DEBUG, "ExecProcNode: node not yet supported: %d",
nodeTag(node));
result = FALSE;
elog(ERROR, "ExecProcNode: node %d unsupported", nodeTag(node));
result = NULL;
}
return result;
@ -389,6 +409,8 @@ ExecCountSlotsNode(Plan *node)
void
ExecEndNode(Plan *node, Plan *parent)
{
List *subp;
/* ----------------
* do nothing when we get to the end
* of a leaf on tree.
@ -396,6 +418,20 @@ ExecEndNode(Plan *node, Plan *parent)
*/
if (node == NULL)
return;
foreach (subp, node->initPlan)
{
ExecEndSubPlan ((SubPlan*) lfirst (subp));
}
foreach (subp, node->subPlan)
{
ExecEndSubPlan ((SubPlan*) lfirst (subp));
}
if ( node->chgParam != NULL )
{
freeList (node->chgParam);
node->chgParam = NULL;
}
switch (nodeTag(node))
{
@ -476,8 +512,7 @@ ExecEndNode(Plan *node, Plan *parent)
break;
default:
elog(DEBUG, "ExecEndNode: node not yet supported",
nodeTag(node));
elog(ERROR, "ExecEndNode: node %d unsupported", nodeTag(node));
break;
}
}