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Support window functions a la SQL:2008.

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Hitoshi Harada, with some kibitzing from Heikki and Tom.
This commit is contained in:
Tom Lane
2008-12-28 18:54:01 +00:00
parent 38e9348282
commit 95b07bc7f5
92 changed files with 6720 additions and 321 deletions
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22
src/backend/executor/execProcnode.c
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@ -12,7 +12,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/execProcnode.c,v 1.63 2008/10/04 21:56:53 tgl Exp $
* $PostgreSQL: pgsql/src/backend/executor/execProcnode.c,v 1.64 2008/12/28 18:53:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -85,6 +85,7 @@
#include "executor/nodeBitmapHeapscan.h"
#include "executor/nodeBitmapIndexscan.h"
#include "executor/nodeBitmapOr.h"
#include "executor/nodeCtescan.h"
#include "executor/nodeFunctionscan.h"
#include "executor/nodeGroup.h"
#include "executor/nodeHash.h"
@ -104,7 +105,7 @@
#include "executor/nodeTidscan.h"
#include "executor/nodeUnique.h"
#include "executor/nodeValuesscan.h"
#include "executor/nodeCtescan.h"
#include "executor/nodeWindowAgg.h"
#include "executor/nodeWorktablescan.h"
#include "miscadmin.h"
@ -260,6 +261,11 @@ ExecInitNode(Plan *node, EState *estate, int eflags)
estate, eflags);
break;
case T_WindowAgg:
result = (PlanState *) ExecInitWindowAgg((WindowAgg *) node,
estate, eflags);
break;
case T_Unique:
result = (PlanState *) ExecInitUnique((Unique *) node,
estate, eflags);
@ -425,6 +431,10 @@ ExecProcNode(PlanState *node)
result = ExecAgg((AggState *) node);
break;
case T_WindowAggState:
result = ExecWindowAgg((WindowAggState *) node);
break;
case T_UniqueState:
result = ExecUnique((UniqueState *) node);
break;
@ -601,6 +611,10 @@ ExecCountSlotsNode(Plan *node)
case T_Agg:
return ExecCountSlotsAgg((Agg *) node);
case T_WindowAgg:
return ExecCountSlotsWindowAgg((WindowAgg *) node);
break;
case T_Unique:
return ExecCountSlotsUnique((Unique *) node);
@ -749,6 +763,10 @@ ExecEndNode(PlanState *node)
ExecEndAgg((AggState *) node);
break;
case T_WindowAggState:
ExecEndWindowAgg((WindowAggState *) node);
break;
case T_UniqueState:
ExecEndUnique((UniqueState *) node);
break;