On Wed, Aug 23, 2017 at 10:59 AM, Masahiko Sawada <sawada.m...@gmail.com> wrote:
> On Tue, Aug 22, 2017 at 3:23 PM, Simon Riggs <si...@2ndquadrant.com> wrote:
>> e.g.
>> replace RelationGetRelationName() with
>> RelationGetOptionallyQualifiedRelationName()
>> and then control whether we include this new behaviour with
>> log_qualified_object_names = on | off
> Is there any case where we don't want to get non-qualified object
> names? If users want to get the same log message as what they got so
> far, it would be better to have a GUC that allows us to switch between
> the existing behavior and the forcibly logging qualified object names.

I can imagine plenty of cases where providing more information is
valuable, but not really any where it makes more sense to provide less
information, so -1 for a GUC to control such behavior. I would imagine
that people are not going to set it anyway. A RangeVar may not set the
schema_name, so I would suggest to rely on that to decide if the error
messages show the schema name or name. Still we are only talking about
two messages in the vacuum code paths, which are the ones close to the
checks where is assigned the OID of the relation with a RangeVar.

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