nice, this could be put into a plpgsql function with error handling.
---------- Original Message -----------
From: "Jim C. Nasby" <jnasby@pervasive.com>
To: Alexander Scholz <alexander.scholz1@freenet.de>
Cc: pgsql-general@postgresql.org
Sent: Fri, 21 Apr 2006 00:54:51 -0500
Subject: Re: [GENERAL] Query to check existence of stored procedure?
> If you're on a more recent version, you can try and select the procname
> for a proc and trap the error:
>
> decibel=# select 'abs(bigint)'::regprocedure;
> regprocedure
> --------------
> abs(bigint)
> (1 row)
>
> decibel=# select 'abs(text)'::regprocedure;
> ERROR: function "abs(text)" does not exist
> decibel=#
>
> If you don't care about arguments you can use regproc.
>
> On Tue, Apr 18, 2006 at 08:26:49AM +0200, Alexander Scholz wrote:
> > Hi Newsgroup,
> >
> > I need a query which can check for the existence of a certain stored
> > procedure.
> >
> > (The pendant for MS SQL is
> >
> > IF EXISTS (SELECT * FROM "sysobjects" WHERE "id" =
> > object_id(N'"MyTestStoredProcedure"') and OBJECTPROPERTY("id",
> > N'IsProcedure') = 1)
> > ...
> > )
> >
> > Any help would be appreciated! :-)
> >
> > Thanx in advance,
> >
> > Alexander.
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 9: In versions below 8.0, the planner will ignore your desire to
> > choose an index scan if your joining column's datatypes do not
> > match
> >
>
> --
> Jim C. Nasby, Sr. Engineering Consultant jnasby@pervasive.com
> Pervasive Software http://pervasive.com work: 512-231-6117
> vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
>
> ---------------------------(end of broadcast)---------------------------
> TIP 1: if posting/reading through Usenet, please send an appropriate
> subscribe-nomail command to majordomo@postgresql.org so that your
> message can get through to the mailing list cleanly
------- End of Original Message -------
