On Sep 1, 2014, at 9:19 PM, Keith Medcalf <kmedc...@dessus.com> wrote:
> >> On Sep 1, 2014, at 6:00 PM, Igor Tandetnik <i...@tandetnik.org> wrote: >> >>> (case when billdate != '' then billdate else bdate end) >> >> Or, more succinctly: >> >> coalesce( nullif( billdate, '' ), bdate ) >> >> (To OP: empty strings are E V I L. Don't use them. Ever.) > > Unless of course it is one or more spaces and not an empty string ... > > coalesce(nullif(rtrim(billdate), ''), bdate) > > an empty string is indistinguishable from a string of one or more spaces > unless one makes efforts to tell the difference. (To OP: if this is the case, you get what you deserve! :D ) _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
