Re: How to check if a Procedure or FUNCTION EXIST

From: Edwin UY <edwin(dot)uy(at)gmail(dot)com>
To: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>
Subject: Re: How to check if a Procedure or FUNCTION EXIST
Date: 2025-05-28 00:22:38
Message-ID: CA+wokJ8OoVEwBSXsaFxE5MQ7hyjP5Z3OZk6WU0f3Wy7KXm7=8w@mail.gmail.com
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Hi David J

Just thought I will just have to check whether the proowner is one of the
users/roles that we've created and if it is so, then it is not a system
function.
By system function, I mean something like version or current_user, they are
system functions, right? Or am I wrong again :(

Regards,
Ed

On Wed, May 28, 2025 at 3:07 AM David G. Johnston <
david(dot)g(dot)johnston(at)gmail(dot)com> wrote:

> On Tue, May 27, 2025 at 8:02 AM Edwin UY <edwin(dot)uy(at)gmail(dot)com> wrote:
>
>> I want to check for function and procedure if they exist or not including
>> those created by the users as well as system functions
>>
>
> Are you aware that even in the same schema multiple functions and
> procedures can share the same "name"?
>
>
>
>> proowner whether it is a system function or user-defined?
>>
>>
> That seems like a poor test for that property. A system function is one
> that exists in the pg_catalog schema, which is the schema the system places
> all of its objects into.
>
> David J.
>
>

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