Re: function language type?

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От JanWieck@t-online.de (Jan Wieck)
Тема Re: function language type?
Дата
Msg-id 200007261931.VAA25037@hot.jw.home
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Ответ на Re: function language type?  (Tom Lane <tgl@sss.pgh.pa.us>)
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Tom Lane wrote:
>
> > Can one create tables using the perl, C, or TCL interfaces?
>
> Offhand I think this would work out-of-the-box in pltcl and plperl,
> because they don't do preplanning.  This is also why you can do
> something like "SELECT ... FROM $1" in those PLs and not in plpgsql:
> they just form the command as a string and then run it through the
> whole parse/plan process every time.

    More  than  that.  PL/Tcl  supports  saved  plans,  but  also
    supports direct SPI query execution. So it's the decision  of
    the  function programmer, which queries to plan and save once
    and which don't.


Jan

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