On Mon, Nov 01, 2010 at 02:57:56PM +0100, Cédric Villemain wrote: > > CONSTRAINT tableindex_pkey PRIMARY KEY (tableindex) > > ) > > the index definition is > > CREATE INDEX "PK_AT2" > > ON ABC > > USING btree > > (event, tableindex) > > TABLESPACE sample; > > Indexing twice the same column is useless. (perhaps move your PK to > the tablespace 'sample' is good too ?)
why do you say that? these are not the same indexes and they serve different purposes. Best regards, depesz -- Linkedin: http://www.linkedin.com/in/depesz / blog: http://www.depesz.com/ jid/gtalk: dep...@depesz.com / aim:depeszhdl / skype:depesz_hdl / gg:6749007 -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance