On 2016-04-14 13:16:20 +0200, Andreas Karlsson wrote: > I am personally not a fan of the pg_get_Xdef() functions due to their heavy > reliance on the syscache which feels rather unsafe in combination with > concurrent DDL.
I'm not sure I find that convincing: The state portrayed by the syscache is th state COPY/SELECT et al will be using. I think the angle to attack this is rather to allow blocking 'globally visible' DDL efficiently and correctly, rather than the hack pg_dump is using right now. Greetings, Andres Freund -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers