Re: some problem with casting unknown to smallint

"Pavel Stehule" <pavel.stehule@gmail.com> writes:
> I am not sure, it's probably bug.

> postgres=# create function t1(smallint) returns smallint as $$select
> $1$$ language sql;
> CREATE FUNCTION
> postgres=# select t1(10);
> ERROR:  function t1(integer) does not exist

That's not "unknown to smallint", that's "integer to smallint",
which is not an implicit cast.

unknown to smallint would be t1('10')
        regards, tom lane