The "VACUUM ANALYZE tablename" command does not have the same effect on
table metadata under 7.2.1 and 7.2.3. In particular, I've noted that
pg_class.reltuples is not updated by vacuuming after a delete.
Here is a sequence of SQL commands to demonstrate the difference. Under
7.2.1, the result
happened on a Sunday morning, my weekend
experiment to see how pg_autovacuum would maintain our test database was
rather spoiled ... 8-(
--
Jeff Boes vox 269.226.9550 ext 24
Database Engineer fax 269.349.9076
Nexcerpt, Inc.
