On Tue, 2008-10-07 at 08:30 -0400, Andrew Dunstan wrote: > Simon Riggs wrote: > > > > My main focus is on these commands > > * CREATE TRIGGER > > * ALTER TABLE .. ADD PRIMARY KEY > > * ALTER TABLE .. ADD FOREIGN KEY > > > > because those are the most painful ones. We could make it work against > > more, but we'd need to rewrite lots and lots of catalog update code.
> Anything that scans the table is a prime candidate. In particular, for > parallel pg_dump, ALTER TABLE ... ADD UNIQUE is important, as well as > possibly other table constraints. Yes, I should have mentioned: today's patch (v5) does ADD UNIQUE also. I tested a concurrent mix of ALTER PK, FK and CREATE INDEX, all fine. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
