On Fri, Nov 04, 2005 at 12:38:30PM +0100, Michal Taborsky wrote: > SELECT object_id FROM commonview WHERE link_id=1234567 > > The result is sequential scan on all tables, append, sort and then > filter scan on this whole thing. Which of course is slow as hell. We use > version 8.0.2. I couldn't duplicate this in 8.0.4; I don't know if anything's changed since 8.0.2 that would affect the query plan. Could you post the EXPLAIN ANALYZE output? It might also be useful to see the output with enable_seqscan disabled. Have the tables been vacuumed and analyzed recently? -- Michael Fuhr
