Re: \watch stuck on execution of commands returning no tuples - Mailing list pgsql-hackers

From Tom Lane
Subject Re: \watch stuck on execution of commands returning no tuples
Date
Msg-id 23616.1367503288@sss.pgh.pa.us
Whole thread Raw
In response to \watch stuck on execution of commands returning no tuples  (Michael Paquier <michael.paquier@gmail.com>)
Responses Re: \watch stuck on execution of commands returning no tuples  (Bruce Momjian <bruce@momjian.us>)
Re: \watch stuck on execution of commands returning no tuples  (Michael Paquier <michael.paquier@gmail.com>)
List pgsql-hackers
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



pgsql-hackers by date:

Previous
From: Shaun Thomas
Date:
Subject: Re: high io BUT huge amount of free memory
Next
From: Bruce Momjian
Date:
Subject: Re: Change to pg_test_fsync output