In response to Raymond O'Donnell : > On a related note, what happens when you do something like this? - > > select count(*) .... > > Does any data actually get read?
No, it check's only the visibility for each record -> seq-scan. > > Is there any difference internally to saying "count(1)" instead? No, it's the same execution plan. Regards, Andreas -- Andreas Kretschmer Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) GnuPG: 0x31720C99, 1006 CCB4 A326 1D42 6431 2EB0 389D 1DC2 3172 0C99 -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
