Horton

Re: Getting rid of "unknown error" in dblink and postgres_fdw

David G. Johnston <david.g.johnston@gmail.com>

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From: "David G. Johnston" <david.g.johnston@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2016-12-21T16:55:23Z
Lists: pgsql-hackers 
On Wed, Dec 21, 2016 at 9:49 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:

> A possible objection is that if we really are on the hairy edge of OOM,
> trying to construct such error strings might push us over the edge


What am I missing here?  Constructing said string occurs on the local end
of the connection but the memory problem exists on the remote end.

David J.

Commits

  1. Make dblink try harder to form useful error messages

  2. Improve dblink error message when remote does not provide it