From: | A E <cooljoint(at)yahoo(dot)com> |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Repost of Functions Returning Record Datatype |
Date: | 2004-01-04 04:05:15 |
Message-ID: | 20040104040515.80016.qmail@web12106.mail.yahoo.com |
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Thread: | |
Lists: | pgsql-hackers |
Hi,
I was wondering if I have a function that returns a record datatype, and I call it using the as keyword to specify the table structure, can I return a different structure than the one specified?
Say I call select * from xy ('abc', 'def') as (samplea char, sampleb char) for a function of
CREATE FUNCTION xy(char, char) RETURNS record AS'
Declare
testout record;
if userallowed = 0 then
else
for testout in ''select * from testtable'' loop
return next testout;
end loop;
end if;
return null;
end;'
language 'plpgsql';
Can I instead send back "errordescription text, errornumber int, errornext int"? How do I do that?
I have a web front end and I have to get custom database errors to the front end. Maybe there is something more simple?
TIA
Alex Erwin
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