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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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3
src/backend/optimizer/prep/prepunion.c
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@@ -22,7 +22,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/prep/prepunion.c,v 1.162 2008/11/15 19:43:46 tgl Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/prep/prepunion.c,v 1.163 2008/12/28 18:53:57 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -136,6 +136,7 @@ plan_set_operations(PlannerInfo *root, double tuple_fraction,
Assert(parse->jointree->quals == NULL);
Assert(parse->groupClause == NIL);
Assert(parse->havingQual == NULL);
Assert(parse->windowClause == NIL);
Assert(parse->distinctClause == NIL);
/*