On Tue, Nov 15, 2016 at 12:45 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Magnus Hagander <mag...@hagander.net> writes:
>> Is there value in showing which snapshot as well? Something like:
>> DETAIL: snapshot <xyz> is too old to access relation <relation>
>
> Snapshots don't have names, and I can't think of a useful way of
> identifying them to users.

The time that the snapshot was taken might be useful; I can't think
of anything else that would be.  The main thing would be to include
the relation, with an indication that it's not necessarily true
that access to *any* part of the relation would be a problem.
Mentioning the block number would tend to support that idea, and
might be of some use.

--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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