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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/utils/adt/int8.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/int8.c,v 1.71 2008/10/05 23:18:37 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/int8.c,v 1.72 2008/12/28 18:53:59 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -666,7 +666,9 @@ int8inc(PG_FUNCTION_ARGS)
* as incorrect, so just ifdef it out.)
*/
#ifndef USE_FLOAT8_BYVAL /* controls int8 too */
if (fcinfo->context && IsA(fcinfo->context, AggState))
if (fcinfo->context &&
(IsA(fcinfo->context, AggState) ||
IsA(fcinfo->context, WindowAggState)))
{
int64 *arg = (int64 *) PG_GETARG_POINTER(0);
int64 result;