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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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8
src/backend/optimizer/plan/setrefs.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/plan/setrefs.c,v 1.146 2008/10/21 20:42:53 tgl Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/plan/setrefs.c,v 1.147 2008/12/28 18:53:57 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -415,6 +415,7 @@ set_plan_refs(PlannerGlobal *glob, Plan *plan, int rtoffset)
}
break;
case T_Agg:
case T_WindowAgg:
case T_Group:
set_upper_references(glob, plan, rtoffset);
break;
@ -679,6 +680,11 @@ fix_expr_common(PlannerGlobal *glob, Node *node)
record_plan_function_dependency(glob,
((Aggref *) node)->aggfnoid);
}
else if (IsA(node, WindowFunc))
{
record_plan_function_dependency(glob,
((WindowFunc *) node)->winfnoid);
}
else if (IsA(node, FuncExpr))
{
record_plan_function_dependency(glob,