Hi
I'm currently investigating how much work it'd be to implement arrays of
domains since I have a client who might be interested in sponsoring that
work.
The comments around the code handling ALTER DOMAIN ADD CONSTRAINT are
pretty clear about the lack of proper locking in that code - altering
Florian G. Pflug wrote:
I do, however, suspect that ALTER TABLE is plagued by similar
problems. Currently, during the rewrite phase of ALTER TABLE,
find_composite_type_dependencies is used to verify that the table's
row type (or any type directly or indirectly depending on that type)
is not
