On Wed, 21 Aug 2024 08:17:45 +0200 Peter Eisentraut <pe...@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/cacjufxegpytfe79hbsmeoboivfnnprsw7gjvk67m1x2mqgg...@mail.gmail.com > > -- Yugo Nagata <nag...@sraoss.co.jp>