>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. _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users