Mac OS X:
postgres% psql --version
psql (PostgreSQL) 7.2.1
contains support for: multibyte
LEDEV=# create table test1 (foo varchar(5));
CREATE
LEDEV=# create table test2 (foo char(5));
CREATE
LEDEV=# insert into test2 (foo) values ('S');
INSERT 3724249 1
LEDEV=# insert into test1 (foo) values ('S');
INSERT 3724250 1
LEDEV=# select a.foo, b.foo from test1 a, test2 b where a.foo =
b.foo::text;
foo | foo
-----+-----
(0 rows)
LEDEV=# select a.foo = 'S', b.foo = 'S' from test1 a, test2 b;
?column? | ?column?
----------+----------
t | t
(1 row)
LEDEV=# select a.foo, b.foo from test1 a, test2 b where CAST(a.foo as
CHAR) = b.foo;
foo | foo
-----+-------
S | S
(1 row)
---------------------------(end of broadcast)---------------------------
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