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From: Skylar Thompson <skylar2@uw.edu>
To: pgsql-sql@lists.postgresql.org
Subject: Re: Try catch error, return data
Date: Tue, 15 Feb 2022 19:08:46 -0800
Message-ID: <20220216030846.v7g4ggin5om7xwpu@hithlum> (raw)
In-Reply-To: <CA+i5Jwbf0OUut+aMSAi4o+CuPc3aV6rQpnCD6xYjSZX5CAM3Cg@mail.gmail.com>
References: <CA+i5Jwbf0OUut+aMSAi4o+CuPc3aV6rQpnCD6xYjSZX5CAM3Cg@mail.gmail.com>

I think you're looking for EXCEPTION:

https://www.postgresql.org/docs/14/plpgsql-control-structures.html#PLPGSQL-ERROR-TRAPPING

At the point you've trapped the error, you can then return something based
on the error. You can find a list of exception codes in one of the
appendices:

https://www.postgresql.org/docs/14/errcodes-appendix.html

On Wed, Feb 16, 2022 at 02:13:05AM +0000, Shaozhong SHI wrote:
> In Python, one can use try statement to catch error, error can be stored as
> data.
> 
> Can plpgsql catch and return error as data or a data table?
> 
> Regards, David

-- 
-- Skylar Thompson (skylar2@u.washington.edu)
-- Genome Sciences Department (UW Medicine), System Administrator
-- Foege Building S046, (206)-685-7354
-- Pronouns: He/Him/His

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