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Re: Inefficient query plan

From: Grzegorz Jaśkiewicz <gryzman(at)gmail(dot)com>
To: Jann Röder <roederja(at)ethz(dot)ch>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Inefficient query plan
Date: 2010-08-23 13:28:51
Message-ID: AANLkTimwRj9CWa594f1wd+RKuarcNe6ui=wJ4vCD1Nkz@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-performance
joining on varchars is always going to be very expensive. Longer the
value is, more expensive it will be. Consider going for surrogate
keys.

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