On Tue, Mar 11, 2008 at 02:19:09PM +0000, Matthew wrote: > of rows with IS NULL, then someone changes a row, then you find the count > of rows with IS NOT NULL. Add the two together, and there may be rows that > were counted twice, or not at all. Only if you count in READ COMMITTED. A -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
