Re: \d tablename with psql over slow links...

<mallah@trade-india.com> writes:
> I observed that a table which used to take 16 secs with \d was only taking
> 6 secs if the query for default attribute values are shifted to top level query in
> psql/describe.c  ( function  describeOneTableDetails ) .

I've applied this patch with some small improvements (to shortcircuit
the sub-SELECT for columns with no default).

            regards, tom lane