This is what I meant to post
drop table test_table;
create table test_table
(
column1 char(20),
column2 varchar(40)
) without oids;
drop function test1(char(10), varchar(20));
create or replace function test1(c1 char(10), c2 varchar(20))
returns void as
$$
BEGIN
insert into test_table values ($1, $2);
END
$$
language plpgsql
select
test1('12345678900123456789','ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789ABCD')
select * from test_table;
12345678900123456789, ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789ABCD
Just showing that it does indeed not use the length in at all, and this just
seems wrong. I can definetly see situations where someone would put a length
on a in put var and get an an unexpected result, like the one above.
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