Re: Speed difference between != and = operators?

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От Tom Lane
Тема Re: Speed difference between != and = operators?
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Msg-id 12847.965074255@sss.pgh.pa.us
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Ответ на Speed difference between != and = operators?  (Paul Caskey <paul@nmxs.com>)
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Paul Caskey <paul@nmxs.com> writes:
> This query takes 206 seconds:
> [snip]
> If I change the last line to this, it takes 1 second:

What does EXPLAIN show for these queries?

            regards, tom lane

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