On Jun14, 2011, at 07:15 , Tom Lane wrote: > Robert Haas <robertmh...@gmail.com> writes: >> On Mon, Jun 13, 2011 at 7:47 PM, Bruce Momjian <br...@momjian.us> wrote: >>> No, it does not. Under what circumstances should I issue a suggestion >>> to reindex, and what should the text be? > >> It sounds like GIN indexes need to be reindexed after upgrading from < >> 9.1 to >= 9.1. > > Only if you care whether they work for corner cases such as empty > arrays ... corner cases which didn't work before 9.1, so very likely > you don't care.
We also already say "To fix this, do REINDEX INDEX ... " in the errhint of "old GIN indexes do not support whole-index scans nor searches for nulls". best regards, Florian Pflug -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
