COALESCE bug - Mailing list pgsql-hackers

From Daniel Schuchardt
Subject COALESCE bug
Date
Msg-id didrss$iud$1@news.hub.org
Whole thread Raw
Responses Re: COALESCE bug
List pgsql-hackers
Hy,

my PostgreSQL 8.0.0 on i686-pc-mingw32, compiled by GCC gcc.exe (GCC) 3.4.2

crashes when

SELECT * FROM pg_stat_activity WHERE datname=COALESCE(NULL, NULL);

I had an mistake in a stored procedure so COALESCE got 2 NULL values but 
a crash is not nice here ;-)

workaround :
SELECT * FROM pg_stat_activity WHERE datname=COALESCE(NULL, NULL, '');
so COALESCE has one nice param to return.

Daniel

(Windows)


pgsql-hackers by date:

Previous
From: John Gray
Date:
Subject: Minor point about contrib/xml2 functions "IMMUTABLE" marking
Next
From: Michael Fuhr
Date:
Subject: Re: COALESCE bug