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.
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