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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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9
src/backend/executor/execAmi.c
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/executor/execAmi.c,v 1.101 2008/10/28 17:13:51 tgl Exp $
* $PostgreSQL: pgsql/src/backend/executor/execAmi.c,v 1.102 2008/12/28 18:53:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -20,6 +20,7 @@
#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/nodeGroup.h"
@@ -40,7 +41,7 @@
#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 "nodes/nodeFuncs.h"
#include "utils/syscache.h"
@@ -210,6 +211,10 @@ ExecReScan(PlanState *node, ExprContext *exprCtxt)
ExecReScanAgg((AggState *) node, exprCtxt);
break;
case T_WindowAggState:
ExecReScanWindowAgg((WindowAggState *) node, exprCtxt);
break;
case T_UniqueState:
ExecReScanUnique((UniqueState *) node, exprCtxt);
break;