Re: \watch stuck on execution of commands returning no tuples

Michael Paquier <michael.paquier@gmail.com> writes:
> Hi all,
> When testing \watch, I noticed that process waits indefinitely when
> executing it with a DDL or a DML.
> For example:
> postgres=# CREATE TABLE aa (a int);
> postgres=# ANALYSE aa \watch 10
> -- Process waiting here

It's not "waiting", it's doing the ANALYZE once every ten seconds,
just like you told it to.

Perhaps it'd be a good idea to emit the command tag on receiving a
non-tuple-bearing result, just to make this more obvious.
        regards, tom lane