| From: | Michael Fuhr <mike(at)fuhr(dot)org> |
|---|---|
| To: | "Van Ingen, Lane" <lvaningen(at)ESNCC(dot)com> |
| Cc: | pgsql-novice(at)postgresql(dot)org |
| Subject: | Re: PostgreSQL User-Defined Global Variables |
| Date: | 2005-07-07 04:33:35 |
| Message-ID: | 20050707043335.GA68959@winnie.fuhr.org |
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| Lists: | pgsql-novice |
On Wed, Jul 06, 2005 at 03:16:56PM -0400, Van Ingen, Lane wrote:
>
> Is it possible, via standard PostgreSQL or an extension, to set
> up a user-defined global variable outside of a stored procedure,
> and be able to query against the value of that variable?
Some people use temporary tables for storing such values. Another
way would be to write set/get functions in a language that supports
global storage (PL/Perl, PL/Tcl, PL/Python, etc.). See for example
the set_var() and get_var() functions in the PL/Perl documentation:
http://www.postgresql.org/docs/8.0/static/plperl-global.html
--
Michael Fuhr
http://www.fuhr.org/~mfuhr/
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