Dear Melih,
Thank you for updating the patch. Before reviewing, I found that
cfbot have not accepted v8 patch [1].
IIUC src/psql/describe.c has been modified in v8, but src/test/regress/expected/subscription.out
has not been changed accordingly.
[1]: https://cirrus-ci.com/github/postgresql-cfbot/postgresql/commitfest/42/3840
Best Regards,
Hayato Kuroda
FUJITSU LIMITED