Re: PostgreSQL User-Defined Global Variables - Mailing list pgsql-novice

From Michael Fuhr
Subject Re: PostgreSQL User-Defined Global Variables
Date
Msg-id 20050707043335.GA68959@winnie.fuhr.org
Whole thread Raw
In response to PostgreSQL User-Defined Global Variables  ("Van Ingen, Lane" <lvaningen@ESNCC.com>)
List 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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