No Hash Function Defined for Type Money

``` SQL
SET citus.enable_repartition_joins to ON;

CREATE TABLE tbl1(a money , b INT);
CREATE TABLE tbl2(a money , b INT);
SELECT create_distributed_table('tbl1', 'b');
SELECT create_distributed_table('tbl2', 'b');

SELECT * FROM tbl1, tbl2 WHERE tbl2.a=tbl1.a;
```
```
ERROR: no hash function defined for type money
CONTEXT: while executing command on localhost:9702
```