On Mon, Mar 24, 2008 at 4:13 AM, petchimuthu lingam <spmlingam@xxxxxxxxx> wrote: > How to enable bitmap heap scanning, my query is not using the scanning, i am > using postgresql 8.1 version. > i have enabled the option in the postgresql.conf, but still it is not using. It's likely enabled, but the query planner thinks that another method of doing things. What does explain analyze select ... say about your query plan? -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin