On 01/09/2013 03:07 PM, Bruce Momjian wrote: > How do we want to handle the case where VACUUM FULL clears the > visibility map, causing loss of index-only scans? > > http://archives.postgresql.org/pgsql-performance/2012-11/msg00317.php > > Do we document this behavior or add a TODO item? >
Both? Surely VACUUM FULL should rebuild the visibility map, and make tuples in the new relation all-visible, no? -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
