=?UTF-8?Q?Grzegorz_Ja=C5=9Bkiewicz?= <gryzman@xxxxxxxxx> writes: > That expected 1510 rows in 'assigments' seems to be pretty off, The planner does not trust an empty table to stay empty. Every Postgres version in living memory has acted like that; it's not new to 8.4. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance