database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-11-12 05:01:15 +03:00
Code Activity

Aggregate functions now support multiple input arguments. I also took

Browse Source 
the opportunity to treat COUNT(*) as a zero-argument aggregate instead
of the old hack that equated it to COUNT(1); this is materially cleaner
(no more weird ANYOID cases) and ought to be at least a tiny bit faster.
Original patch by Sergey Koposov; review, documentation, simple regression
tests, pg_dump and psql support by moi.
This commit is contained in:
Tom Lane
2006-07-27 19:52:07 +00:00
parent c2d1138351
commit 108fe47301
39 changed files with 702 additions and 484 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/backend/nodes/equalfuncs.c
View File

@@ -18,7 +18,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.277 2006/07/14 14:52:20 momjian Exp $
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.278 2006/07/27 19:52:05 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -156,7 +156,7 @@ _equalAggref(Aggref *a, Aggref *b)
{
COMPARE_SCALAR_FIELD(aggfnoid);
COMPARE_SCALAR_FIELD(aggtype);
COMPARE_NODE_FIELD(target);
COMPARE_NODE_FIELD(args);
COMPARE_SCALAR_FIELD(agglevelsup);
COMPARE_SCALAR_FIELD(aggstar);
COMPARE_SCALAR_FIELD(aggdistinct);