Re: Query to check existence of stored procedure? - Mailing list pgsql-general

From Jim C. Nasby
Subject Re: Query to check existence of stored procedure?
Date
Msg-id 20060421055451.GZ49405@pervasive.com
Whole thread Raw
In response to Query to check existence of stored procedure?  (Alexander Scholz <alexander.scholz1@freenet.de>)
Responses Re: Query to check existence of stored procedure?
List pgsql-general
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

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