On Thu, May 11, 2017 at 10:38 PM, Amit Langote <langote_amit...@lab.ntt.co.jp> wrote: > So, adding keycol IS NOT NULL (like we currently do for expressions) in > the implicit partition constraint would be more future-proof than > generating an actual catalogued NOT NULL constraint on the keycol? I now > tend to think it would be better. Directly inserting into a range > partition with a NULL value for a column currently generates a "null value > in column \"%s\" violates not-null constraint" instead of perhaps more > relevant "new row for relation \"%s\" violates partition constraint". > That said, we *do* document the fact that a NOT NULL constraint is added > on range key columns, but we might as well document instead that we don't > currently support routing tuples with NULL values in the partition key > through a range-partitioned table and so NULL values cause error. > > Can we still decide to do that instead?
I suggest you start a new thread on that topic. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers