On Monday 12 January 2009 21:38:02 Bruno Lavoie wrote: > Hello, > > I have a column with a small number of distinct values, indexing this > one with a standard BTree is useless. How do I can index this column > efficiently? I searched and it seems that pg doesn't support the > creation of persistent bitmap indexes... Is that feature planned in next > releases of pg? > > Thanks > Bruno Lavoie I would try partial indexes, as many as the distinct values. I'm not sure this would help, though. -- Fahrbahn ist ein graues Band weisse Streifen, grüner Rand -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general