1. 2011-02-27 Re: [PERFORM] Indexes with condition using immutable pgsql-per Robert Haas 2. 2011-02-08 Re: [PERFORM] Indexes with condition using immutable pgsql-per Sylvain Rabot 3. 2011-02-08 Re: [PERFORM] Indexes with condition using immutable pgsql-per Jesper Krogh 4. 2011-02-08 [PERFORM] Indexes with condition using immutable func pgsql-per Sylvain Rabot