Re: dynamic table naming in function

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От Matthew Peter
Тема Re: dynamic table naming in function
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Msg-id 20051029192221.13431.qmail@web35214.mail.mud.yahoo.com
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Ответ на Re: dynamic table naming in function  (Tom Lane <tgl@sss.pgh.pa.us>)
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Thanks for pointing me in the right direction. I read
about EXECUTE in the docs now.


> Most of the other PLs don't cache query plans
> at all, and so all queries are effectively EXECUTE'd
> and there's no issue.

I'm not sure what you mean...

Is there a more suitable LANGUAGE declaration you
would recommend? If possible, I would also like to
return results from SELECT statments from the function
but EXECUTE doesn't return any results. I'm not tied
to plpgsql, but would like to make a couple dynamic
functions with whatever way is simplest or best tool
for the job.



--- Tom Lane <tgl@sss.pgh.pa.us> wrote:

> Matthew Peter <survivedsushi@yahoo.com> writes:
> > Out of curiosity, I was wondering if it is
> possible to
> > use dynamic table names in a function?
>
> In plpgsql, you can do this by building dynamic
> query strings and
> EXECUTE'ing them.  Most of the other PLs don't cache
> query plans
> at all, and so all queries are effectively EXECUTE'd
> and there's
> no issue.
>
> You'll want to read up on quote_literal and
> quote_ident to help
> you in building correct query strings.
>
>             regards, tom lane
>





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