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Re: browsing table with 2 million records - Mailing list pgsql-performance

From Tom Lane
Subject Re: browsing table with 2 million records
Date
Msg-id 11775.1130362317@sss.pgh.pa.us
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In response to Re: browsing table with 2 million records  (aurora <aurora00@gmail.com>)
List pgsql-performance
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aurora <aurora00@gmail.com> writes:
> It would still be helpful if select count(*) can perform well.

If you can settle for an approximate count, pg_class.reltuples might
help you.

            regards, tom lane

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