Log Message:
-----------
Refactor to_char/to_date formatting code; primarily, replace DCH_processor
with two new functions DCH_to_char and DCH_from_char that have less confusing
APIs. Brendan Jurd
Modified Files:
--------------
pgsql/src/backend/utils/adt:
formatting.c (r1.137 -> r1.138)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/formatting.c?r1=1.137&r2=1.138)