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Re: Bug with plpgsql, temp tables and TOAST? - Mailing list pgsql-bugs

From Alvaro Herrera
Subject Re: Bug with plpgsql, temp tables and TOAST?
Date
Msg-id 1309378872-sup-8894@alvh.no-ip.org
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In response to Re: Bug with plpgsql, temp tables and TOAST?  (Matthijs Bomhoff <matthijs@quarantainenet.nl>)
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Excerpts from Matthijs Bomhoff's message of mié jun 29 15:20:49 -0400 2011:

> Possibly related: In some earlier attempts at reproducing this, I
> actually tried to use length() instead of md5(). It seemed that I
> could not get it to trigger with that. Just selecting * triggers it of
> course, but caused a bit too much clutter in my psql for the required
> long random strings, so I had to find a function that would actually
> need the value itself. Hence the md5().

Yeah, the length can be obtained from the toast header AFAIR, so you
don't need to do a full detoast of the value, which masks the problem.

--
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
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