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Checking = with timestamp field is slow - Mailing list pgsql-performance

From Antony Paul
Subject Checking = with timestamp field is slow
Date
Msg-id 2989532e0411042316566b35f4@mail.gmail.com
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Responses Re: Checking = with timestamp field is slow  (Michael Glaesemann <grzm@myrealbox.com>)
Re: Checking = with timestamp field is slow  (Michael Fuhr <mike@fuhr.org>)
Re: Checking = with timestamp field is slow  (Andrew McMillan <andrew@catalyst.net.nz>)
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Hi all,
   I have a table which have more than 200000 records. I need to get
the records which matches like this

where today::date = '2004-11-05';

This is the only condition in the query. There is a btree index on the
column today.
Is there any way to optimise it.

rgds
Antony Paul

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