On Wed, 21 Aug 2024 08:17:45 +0200
Peter Eisentraut <peter@eisentraut.org> wrote:
> A USING clause when altering the type of a generated column does not
> make sense. It would write the output of the USING clause into the
> converted column, which would violate the generation expression.
>
> This patch adds a check to error out if this is specified.
I’m afraid you forgot to attach the patch.
It seems for me that this fix is reasonable though.
Regards,
Yugo Nagata
>
> There was a test for this, but that test errored out for a different
> reason, so it was not effective.
>
> discovered by Jian He at [0]
>
> [0]:
> https://www.postgresql.org/message-id/CACJufxEGPYtFe79hbsMeOBOivfNnPRsw7Gjvk67m1x2MQggyiQ@mail.gmail.com
>
>
--
Yugo Nagata <nagata@sraoss.co.jp>
