On Sun, 15 Apr 2012 18:41:05 -0600 Chris Ernst <cer...@zvelo.com> wrote:
> Hi all, > > In PostgreSQL 9.1.3, I have a few fairly large tables with bloated > primary key indexes. I'm trying to replace them using newly created > unique indexes as outlined in the docs. Something like: > > CREATE UNIQUE INDEX CONCURRENTLY dist_id_temp_idx ON distributors > (dist_id); ALTER TABLE distributors DROP CONSTRAINT distributors_pkey, > ADD CONSTRAINT distributors_pkey PRIMARY KEY USING INDEX > dist_id_temp_idx; > > However, the initial drop of the primary key constraint fails because > there are a whole bunch of foreign keys depending on it. > > I've done some searching and haven't found a workable solution. Is > there any way to swap in the new index for the primary key constraint > without dropping all dependent foreign keys? Or am I pretty much > stuck with dropping and recreating all of the foreign keys? REINDEX is not working here? Cheers, Frank -- Frank Lanitz <fr...@frank.uvena.de>
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