Re: pgsql: Consider index-only scans even when there is no matching qual or

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От Bruce Momjian
Тема Re: pgsql: Consider index-only scans even when there is no matching qual or
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Msg-id 201110111901.p9BJ1SZ08761@momjian.us
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Ответ на pgsql: Consider index-only scans even when there is no matching qual or  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: pgsql: Consider index-only scans even when there is no matching qual or
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Tom Lane wrote:
> Consider index-only scans even when there is no matching qual or ORDER BY.
>
> By popular demand.

Is this the COUNT(*) optimization?

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +

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