On Thu, Aug 18, 2016 at 1:35 AM, Alvaro Herrera <alvhe...@2ndquadrant.com> wrote: > I don't remember how pg_snapshot works, but it's probably fine > to start with an empty subdir (is it possible to export a snapshot from > a prepared transaction?)
>From xact.c: /* * Likewise, don't allow PREPARE after pg_export_snapshot. This could be * supported if we added cleanup logic to twophase.c, but for now it * doesn't seem worth the trouble. */ if (XactHasExportedSnapshots()) ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), errmsg("cannot PREPARE a transaction that has exported snapshots"))); So that's fine. -- Michael -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers