Tom Lane wrote: > Merlin Moncure <mmonc...@gmail.com> writes: > > Not sure we are guided there. Currently we follow the spec > > specifically with the IS NULL operator but not in other cases. > > Yeah. ExecEvalNullTest() has been taught about this, but most other > places that check null-ness just check overall datum null-ness without > any concern for composite types. This is a stopgap situation, obviously.
On this topic, see also https://www.postgresql.org/message-id/20160708024746.1410.57...@wrigleys.postgresql.org -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers