Tom Lane wrote: > Jesper Krogh <jesper@xxxxxxxx> writes: >> It seems to me that the row estimates on a ts_vector search is a bit on >> the low side for terms that is not in th MCV-list in pg_stats: > > tsvector has its own selectivity estimator that's not like plain scalar > equality. Look into src/backend/tsearch/ts_selfuncs.c if you want to > see the rules. Thanks. least_common_frequence / 2 Which also gives 33 in my situation. -- Jesper -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance