Re: PERFORM bug with FOUND?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: david(at)fetter(dot)org (David Fetter)
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: PERFORM bug with FOUND?
Date: 2003-11-21 22:56:20
Message-ID: 11188.1069455380@sss.pgh.pa.us
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david(at)fetter(dot)org (David Fetter) writes:
> I've written a little hack, here included, which is supposed to find
> whether a user is in a group. I'd intended to do a PERFORM instead of
> SELECT INTO, but PERFORM appears to set FOUND to true no matter what.

What version are you using? It seems to work per spec in 7.4.

regression=# create function foo(name) returns bool as '
regression'# begin
regression'# perform * from pg_user where usename = $1;
regression'# return found;
regression'# end' language plpgsql;
CREATE FUNCTION
regression=# select foo('postgres');
foo
-----
t
(1 row)

regression=# select foo('not');
foo
-----
f
(1 row)

regression=#

regards, tom lane

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