thanks for the explanation, Gary. ----- -- Thanks, Rajan. -- View this message in context: http://www.postgresql-archive.org/Unable-to-understand-index-only-scan-as-it-is-not-happening-for-one-table-while-it-happens-for-other-tp5968835p5968976.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general