Re: Try catch error, return data

From: Skylar Thompson <skylar2(at)uw(dot)edu>
To: pgsql-sql(at)lists(dot)postgresql(dot)org
Subject: Re: Try catch error, return data
Date: 2022-02-16 03:08:46
Message-ID: 20220216030846.v7g4ggin5om7xwpu@hithlum
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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

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