Re: Performance impact of NULLs and variable length fields

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Martijn van Oosterhout <kleptog(at)svana(dot)org>
Cc: Postgresql General <pgsql-general(at)postgresql(dot)org>
Subject: Re: Performance impact of NULLs and variable length fields
Date: 2001-07-21 14:57:22
Message-ID: 9410.995727442@sss.pgh.pa.us
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Martijn van Oosterhout <kleptog(at)svana(dot)org> writes:
> Sometime ago somebody asked if it made a difference adn it was suggested
> that the effect was probably marginal. I ran a profiler over postgres doing
> a large query and these are the top 10 functions:

This is pretty meaningless when you didn't give one single detail about
the test query or conditions.

regards, tom lane

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