Re: Improve logical decoding error message (was wal_level > WAL_LEVEL_LOGICAL)

On Tue, 23 May 2017 at 10:55 am, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
wrote:

> Neha Khatri wrote:
> > On Tue, May 23, 2017 at 10:26 AM, Michael Paquier <
> michael(dot)paquier(at)gmail(dot)com
>
> > > There is no wal_level higher than logical, so the current sense looks
> > > perfectly fine to me.
> >
> > If there is no wal_level higher than logical, should the following error
> > message indicate to set it >= logical.
> >
> > select * from
> > pg_create_logical_replication_slot('regression_slot','test_decoding');
> > ERROR: logical decoding requires wal_level >= logical
>
> I think it's purposefully ambiguous to cover a possible future
> extension.
>

Should documentation also have similar statement and indicate future
possibility.

What is the benefit of having it just in error message.

Regards,
Neha
--
Cheers,
Neha