Re: Index Ignored Due To Use Of View

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От Tom Lane
Тема Re: Index Ignored Due To Use Of View
Дата
Msg-id 10646.1298611975@sss.pgh.pa.us
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Ответ на Index Ignored Due To Use Of View  ("David Johnston" <polobo@yahoo.com>)
Ответы Re: Index Ignored Due To Use Of View  ("David Johnston" <polobo@yahoo.com>)
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"David Johnston" <polobo@yahoo.com> writes:
> Now, if I simply replace the original FROM clause with the view definition
> (i.e., SELECT * FROM (SELECT ... ) alias WHERE ) I get:
> [ a different plan ]
> I now have index scans on both "filetaskinstance" and "filereference" - but
> all I appeared to do is the same as what rule re-writing should have done.

If you really just manually plugged in the view definition, then yeah
you should have gotten the same results.  Could we see a complete test
case?

            regards, tom lane

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