2010/2/10 Oleg Serov <serovov@gmail.com>:
> Somebody will fix this bug or not?
I'm not sure whether this is a bug. This is an explicit cast:
SELECT '(1,)'::bug_level_one;
But I think this is an implicit cast:
SELECT bug_procedure('(1,)');
I'm not totally sure of the details, but implicit, assignment, and
explicit casts are documented to have different semantics:
http://www.postgresql.org/docs/current/static/sql-createcast.html
...Robert