Re: how to make a trigger to copy files.

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От Michael Fuhr
Тема Re: how to make a trigger to copy files.
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Msg-id 20050123193551.GA18522@winnie.fuhr.org
обсуждение исходный текст
Ответ на how to make a trigger to copy files.  (Mitchell Laks <mlaks@verizon.net>)
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On Sun, Jan 23, 2005 at 01:47:53PM -0500, Mitchell Laks wrote:

> Could i create a database trigger to run a script like
> system("scp $filename $destination");
> where $filename is extracted from the entry just made into the database, and
> $destination is my other pc?

You can use procedural languages like PL/Perl, PL/Python, PL/Tcl,
etc., to do just about anything those languages allow.  Whether
it's appropriate for the database to do certain things is another
matter....

I don't think PostgreSQL 7.4.6 supports trigger functions written
in PL/Perl, but you could write the file-copying function in PL/Perl
and call it from a PL/pgSQL trigger.  Or you could upgrade to 8.0.0,
which does support PL/Perl triggers, or you could write the trigger
in one of the other procedural languages.

--
Michael Fuhr
http://www.fuhr.org/~mfuhr/

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