any_join_distinct_right_table_keys = 0
2	3	2	3
6	4	5	4
==
2	3	2	3
6	4	5	4
any_join_distinct_right_table_keys = 1
2	3	2	3
6	4	5	4
==
2	3	2	3
6	4	5	4
1