Thanks for quick reply, but I want to know, which of these method is called in concrete situation. I suppose, that ts_rank call only one of these functions(ts_rank_wttf , ts_rank_wtt , ts_rank_ttf ,ts_rank_tt ). Is it possible? Thanks for reply Mark -- View this message in context: http://postgresql.1045698.n5.nabble.com/track-functions-call-tp4384220p4385392.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general