In response to "Scott Marlowe" <scott.marlowe@xxxxxxxxx>: > On Mon, Nov 3, 2008 at 12:01 PM, Bill Moran > <wmoran@xxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > > I'm trying to test the time in a time column to see if it's the same > > minute as the current time. I wouldn't have thought this would be > > difficult: > > > > WHERE TO_CHAR(now(), 'HH24MI') = TO_CHAR(time_column, 'HH24MI') > > Use date_trunc > > where date_trunc('minute',timefield)=date_trunc('minute',now()); > > I might have the args backwards. Hunh ... # select date_trunc('minute','13:45:15'::time); date_trunc -------------------- @ 13 hours 45 mins (1 row) # select date_trunc('minute','13:45:15'::time with time zone); ERROR: function date_trunc(unknown, time with time zone) does not exist LINE 1: select date_trunc('minute','13:45:15'::time with time zone); ^ HINT: No function matches the given name and argument types. You might need to add explicit type casts. # select date_trunc('minute',('13:45:15'::time with time zone)::time); date_trunc -------------------- @ 13 hours 45 mins (1 row) Curiouser and curiouser ... -- Bill Moran Collaborative Fusion Inc. http://people.collaborativefusion.com/~wmoran/ wmoran@xxxxxxxxxxxxxxxxxxxxxxx Phone: 412-422-3463x4023 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general