Re: Very strange performance decrease when reusing a PreparedStatement

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От Tom Lane
Тема Re: Very strange performance decrease when reusing a PreparedStatement
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Msg-id 29597.1241649548@sss.pgh.pa.us
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Ответ на Re: Very strange performance decrease when reusing a PreparedStatement  (Simon Riggs <simon@2ndQuadrant.com>)
Ответы Re: Very strange performance decrease when reusing a PreparedStatement
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Simon Riggs <simon@2ndQuadrant.com> writes:
> We talked a few years back about an "Option node" that would select
> sub-plans at runtime based upon the actual values of the bind variable.
> Nobody's got around to doing anything with that yet.

There is an AlternativeSubPlan mechanism in 8.4, though we're not doing
very much with it yet.

            regards, tom lane

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