Sebastian Böhm <seb@xxxxxxxx> writes: > one question: > > what actually is tup_returned and tup_fetched ? RTFM -- admittedly it's not so easy to find these since you have to know they come from the following functions: pg_stat_get_tuples_returned(oid) bigint Number of rows read by sequential scans when argument is a table, or number of index entries returned when argument is an index pg_stat_get_tuples_fetched(oid) bigint Number of table rows fetched by bitmap scans when argument is a table, or table rows fetched by simple index scans using the index when argument is an index From: http://www.postgresql.org/docs/8.3/interactive/monitoring-stats.html -- Gregory Stark EnterpriseDB http://www.enterprisedb.com Get trained by Bruce Momjian - ask me about EnterpriseDB's PostgreSQL training! -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general