<>(not equal to) in where clause can use index

From: AI Rumman <rummandba(at)gmail(dot)com>
To: pgsql-general General <pgsql-general(at)postgresql(dot)org>
Subject: <>(not equal to) in where clause can use index
Date: 2011-02-08 09:09:01
Message-ID: AANLkTikMSu3UB96Fj2YdfM6VRAbCmEH0-FxG5b-0wd3n@mail.gmail.com
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Is it possible to add some operator class in Postgresql 9 so that <>(not
equal to) in where clause can use index?

If yes how?

Any idea please.

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