Re: performance tuning in large function / transaction

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От Bruce Momjian
Тема Re: performance tuning in large function / transaction
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Msg-id 200112170539.fBH5dR606887@candle.pha.pa.us
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Ответ на Re: performance tuning in large function / transaction  ("Christopher Kings-Lynne" <chriskl@familyhealth.com.au>)
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> > As a note, does rewriting the queries in the function
> > to use exists rather than in help any?
> 
> Is it true that the IN command is implemented sort of as a linked list
> linear time search?  Is there any plan for a super-fast implementation of
> 'IN'?

I keep asking for it and am told it is hard to do.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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