2008/10/29 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)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')
>
I understand. So every smallint should be call with casting?
regards
Pavel Stehule
> regards, tom lane
>