Hi Tom, thank you for the explanation.
Regards, Matija Lesar On 14 December 2016 at 15:53, Tom Lane <t...@sss.pgh.pa.us> wrote: > Matija Lesar <matija.le...@gmail.com> writes: > > I have uint4 domain created like this: > > CREATE DOMAIN uint4 AS int8 > > CHECK(VALUE BETWEEN 0 AND 4294967295); > > > If I try to cast negative number to this domain check constraint is not > > validated: > > SELECT -1::uint4, pg_typeof(-1::uint4), 1::uint4, pg_typeof(1::uint4); > > :: binds tighter than minus, so you would need to write these like > "(-1)::uint4" to get the behavior you're expecting. See > > https://www.postgresql.org/docs/9.5/static/sql-syntax- > lexical.html#SQL-PRECEDENCE > > regards, tom lane >
