Thread: BUG #7831: user defined-aggregated don't set initcond to null when unspecified, instead uses its first argument
BUG #7831: user defined-aggregated don't set initcond to null when unspecified, instead uses its first argument
From
acamari@verlet.org
Date:
The following bug has been logged on the website: Bug reference: 7831 Logged by: Abel Abraham Camarillo Ojeda Email address: acamari@verlet.org PostgreSQL version: 9.1.2 Operating system: OpenBSD-5.1/amd64.MP Description: = user defined-aggregated don't set initcond to null when unspecified, instead uses its first argument. To reproduce: $ = $ cat > /tmp/sql create or replace function _foo (state double precision, i double precision) returns double precision language sql immutable strict as $$ select 999::double precision; $$; create aggregate foo (double precision) ( sfunc =3D _foo, stype =3D double precision ); select foo(0); $ = $ psql -U postgres template1 < /tmp/sql CREATE FUNCTION CREATE AGGREGATE foo = ----- 0 (1 row) $ $ psql -U postgres template1 psql (9.1.2) Type "help" for help. template1=3D# =
Re: BUG #7831: user defined-aggregated don't set initcond to null when unspecified, instead uses its first argument
From
Tom Lane
Date:
acamari@verlet.org writes: > user defined-aggregated don't set initcond to null when unspecified, instead > uses its first argument. And your point is? AFAICS this is the documented behavior when the transition function is strict. See http://www.postgresql.org/docs/9.1/static/sql-createaggregate.html 6th paragraph under "Description". regards, tom lane
Re: BUG #7831: user defined-aggregated don't set initcond to null when unspecified, instead uses its first argument
From
Abel Abraham Camarillo Ojeda
Date:
On Sun, Jan 27, 2013 at 10:53 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote: > acamari@verlet.org writes: >> user defined-aggregated don't set initcond to null when unspecified, instead >> uses its first argument. > > And your point is? > > AFAICS this is the documented behavior when the transition function > is strict. See > http://www.postgresql.org/docs/9.1/static/sql-createaggregate.html > 6th paragraph under "Description". > > regards, tom lane Oh sorry... I think that I didn't read that reference enough times, I was mistaken. Thank you, sorry for the noise...