On 2012-12-07 16:30:36 -0500, Bruce Momjian wrote: > On Fri, Dec 7, 2012 at 04:21:48PM -0500, Tom Lane wrote: > > Andres Freund <and...@2ndquadrant.com> writes: > > > On 2012-12-07 13:59:41 -0500, Tom Lane wrote: > > >> indisvalid should be sufficient. If you try to test more than that > > >> you're going to make the code more version-specific, without actually > > >> buying much. > > > > > Doesn't the check need to be at least indisvalid && indisready? Given > > > that 9.2 represents !indislive as indisvalid && !indisready? > > > > Um, good point. It's annoying that we had to do it like that ... > > So, does this affect pg_upgrade? Which PG versions?
Only 9.2 :(. Before that there was no DROP INDEX CONCURRENTLY and in 9.3 there's an actual indislive field and indisready is always set to false there if indislive is false. But I see no problem using !indisvalid || !indisready as the condition in all (supported) versions. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers