Bruce Momjian <br...@momjian.us> wrote: > FYI, I think these queries below prove that NOT NULL constraints do not > follow the single-depth ROW NULL inspection rule that PL/pgSQL follows, > and that my patch was trying to promote for queries: > > CREATE TABLE test2(x test NOT NULL); > CREATE TABLE > INSERT INTO test2 VALUES (null); > ERROR: null value in column "x" violates not-null constraint > DETAIL: Failing row contains (null). > --> INSERT INTO test2 VALUES (row(null)); > INSERT 0 1
If I remember correctly, the standard wants a NOT NULL constraint on a column with a composite type to behave the same as CHECK (col IS DISTINCT FROM NULL) ... which is consistent with the behavior you show. -- Kevin Grittner EDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers