On Sun, 22 Nov 2009, Jonathan Blitz wrote:
I have a table with a number of columns. I perform Select * from table order by a,b There is an index on a,b which is clustered (as well as indexes on a and b alone). I have issued the cluster and anyalze commands.
Did you analyse *after* creating the index and clustering, or before? Matthew -- [About NP-completeness] These are the problems that make efficient use of the Fairy Godmother. -- Computer Science Lecturer -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance