On Wed, February 9, 2011 09:35, Jeff Davis wrote: > Updated patch. > The operators << >> and -|- have the following behavior with empty ranges:
testdb=# select '-'::int4range << range(200,300); ERROR: empty range testdb=# select '-'::int4range >> range(200,300); ERROR: empty range testdb=# select '-'::int4range -|- range(200,300); ERROR: empty range I'm not sure if that is deliberate behavior, but they seem almost bugs to me. Wouldn't it be better (and more practical) if these would return false (or perhaps NULL, for 'unknown') ? (the same goes for all the other range types, btw.) Erik Rijkers -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers