Would probably help if you posted the generated SQL as well as the output of EXPLAIN ANALYZE, which shows not just what the planner thinks the costs are, but what the costs actually were.
You could also try running ANALYZE on the tables in question, or ANALYZE VERBOSE and checking if the estimates are pretty close to reality, e.g. ANALYZE VERBOSE categories; Jim Crate -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
