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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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6
src/backend/commands/prepare.c
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@ -10,7 +10,7 @@
* Copyright (c) 2002-2008, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.93 2008/12/13 02:29:21 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.94 2008/12/28 18:53:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -347,6 +347,10 @@ EvaluateParams(PreparedStatement *pstmt, List *params,
ereport(ERROR,
(errcode(ERRCODE_GROUPING_ERROR),
errmsg("cannot use aggregate function in EXECUTE parameter")));
if (pstate->p_hasWindowFuncs)
ereport(ERROR,
(errcode(ERRCODE_WINDOWING_ERROR),
errmsg("cannot use window function in EXECUTE parameter")));
given_type_id = exprType(expr);