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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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10
src/include/parser/parse_clause.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/parser/parse_clause.h,v 1.52 2008/08/07 01:11:52 tgl Exp $
* $PostgreSQL: pgsql/src/include/parser/parse_clause.h,v 1.53 2008/12/28 18:54:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -27,9 +27,15 @@ extern Node *transformWhereClause(ParseState *pstate, Node *clause,
extern Node *transformLimitClause(ParseState *pstate, Node *clause,
const char *constructName);
extern List *transformGroupClause(ParseState *pstate, List *grouplist,
List **targetlist, List *sortClause);
List **targetlist, List *sortClause,
bool isPartition);
extern List *transformSortClause(ParseState *pstate, List *orderlist,
List **targetlist, bool resolveUnknown);
extern List *transformWindowDefinitions(ParseState *pstate,
List *windowdefs,
List **targetlist);
extern List *transformDistinctClause(ParseState *pstate,
List **targetlist, List *sortClause);
extern List *transformDistinctOnClause(ParseState *pstate, List *distinctlist,