Re: On the performance of views

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От Tom Lane
Тема Re: On the performance of views
Дата
Msg-id 8197.1075135417@sss.pgh.pa.us
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Ответ на On the performance of views  (Bill Moran <wmoran@potentialtech.com>)
Ответы Re: On the performance of views  (Bill Moran <wmoran@potentialtech.com>)
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Bill Moran <wmoran@potentialtech.com> writes:
> At first I was going to just convert all MSSQL procedures to Postgres functions.
> But now that I'm looking at it, a lot of them may be candidates for views.  A
> lot of them take on the format of:

> SELECT a.cola, b.colb, c.colc
> FROM a JOIN b JOIN c
> WHERE a.prikey=$1

You'd probably be better off using views, if making that significant a
notational change is feasible for you.  Functions that return multiple
columns are notationally messy in Postgres.  A view-based solution would
be more flexible and likely have better performance.

            regards, tom lane

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