| From: | Sokolov Yura <funny(dot)falcon(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Joe Conway <mail(at)joeconway(dot)com>, pgsql-bugs(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: BUG #3852: Could not create complex aggregate |
| Date: | 2008-01-09 08:53:49 |
| Message-ID: | 47848B9D.6060805@gmail.com |
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| Thread: | |
| Lists: | pgsql-bugs pgsql-hackers |
Sorry for previous message having no comments.
Just remark:
These aggregates created successfuly both in 8.2 and 8.3beta4:
CREATE AGGREGATE array_concat(anyarray) (
SFUNC=array_cat,
STYPE=anyarray
);
CREATE AGGREGATE array_build(anyelement) (
SFUNC=array_append,
STYPE=anyarray
);
But aggregate from first letter does not:
create aggregate build_group(anyelement, int4) (
SFUNC= add_group,
STYPE = anyarray
);
Excuse me for being noisy and bad English.
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