> Sometime between yesterday and today queries in the form of > "select * from t where t.f like 'k%'" have been broken so that they > never use the index (on win32, not sure about others). > > On win32, at least, they have been broken for a while but this was due > to a known issue based on the locales. AFAICT, the current cvs has > addressed this issue and (show lc_collate returns C) there seems to be > no reason why the queries aren't working properly. > > Merlin
Did you do an ANALYZE on the table? Are there a lot of duplicate keys? How big is the table? What does the "explain" look like? ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html