On 8/29/13, Michael Nolan <htfoot@xxxxxxxxx> wrote: > On 8/29/13, Andreas Kretschmer <akretschmer@xxxxxxxxxxxxx> wrote: > >> I'm using 9.2.4. > > > What is the content of the field 'birthday''? My guess is there's a > null value for the field, in which case you are comparing two nulls. Oops, missed seeing the first half of the post with the data. It may be a function output type issue. Modifying the query as follows works (in 8.2, which I'm still stuck on): select * from birthday where age(birthday)::text != age (current_date-1, birthday)::text; -- Mike Nolan -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general