1. 2008-11-13 Re: [PERFORM] Using index for IS NULL query pgsql-per Tomas Vondra 2. 2008-11-12 Re: [PERFORM] Using index for IS NULL query pgsql-per Matthew Wakeling 3. 2008-11-11 Re: [PERFORM] Using index for IS NULL query pgsql-per Scott Marlowe 4. 2008-11-11 Re: [PERFORM] Using index for IS NULL query pgsql-per Vladimir Sitnikov 5. 2008-11-11 Re: [PERFORM] Using index for IS NULL query pgsql-per Tomas Vondra 6. 2008-11-11 Re: [PERFORM] Using index for IS NULL query pgsql-per Andreas Kretschmer 7. 2008-11-11 Re: [PERFORM] Using index for IS NULL query pgsql-per Andreas Kretschmer 8. 2008-11-11 Re: [PERFORM] Using index for IS NULL query pgsql-per Tom Lane 9. 2008-11-11 [PERFORM] Using index for IS NULL query pgsql-per Andrus