Nevermind, I just found it.
http://archives.postgresql.org/pgsql-general/2002-05/msg00242.php
Thanks!
-Fran
>On Wed, Jun 19, 2002 at 06:37:38PM -0400, terry@greatgulfhomes.com wrote:
>
>
>>If he needs to REINDEX live without locking out selects, then simply DROP
>>INDEX <indexname>; and then do a CREATE INDEX ... to recreate it. Drop is
>>fast, and the create does not acquire the exclusive lock.
>>
>>The only down side of delete/recreate is that with REINDEX one did not need
>>to know the statement to recreate the index, and the latter does.
>>
>>
>
>A while ago I did post a script that did this, only it did the create first,
>then the drop and then renamed the new index to the old one. All within a
>transaction so other queries wouldn't be left without an index.
>
>It used pg_dump to get the CREATE INDEX command.
>
>Should be in the archive somewhere...
>
>
