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From: Laurenz Albe <[email protected]>
To: Edwin UY <[email protected]>
To: Pgsql-admin <[email protected]>
Subject: Re: How to check if a Procedure or FUNCTION EXIST
Date: Tue, 27 May 2025 23:36:32 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CA+wokJ_fJphYtOFxd2nHV7P6B9YdhN3=cOcevGHXPd50iUvreQ@mail.gmail.com>
References: <CA+wokJ_fJphYtOFxd2nHV7P6B9YdhN3=cOcevGHXPd50iUvreQ@mail.gmail.com>

On Wed, 2025-05-28 at 03:01 +1200, Edwin UY wrote:
> Probably a dumb question of sorts. 
> I want to check for function and procedure if they exist or not including those
> created by the users as well as system functions
> 
> Will querying pg_catalog.pg_proc be enough? Using prokind to check if it is function
> or procedure and proowner whether it is a system function or user-defined?

That would simply be

  SELECT pronamespace::regprocedure AS "schema",
         oid::regprocedure
  FROM pg_proc
  WHERE proname = 'whatever';

Yours,
Laurenz Albe

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