--- r/subselect_sj2_jcl6.result 2012-04-07 12:45:03.000000000 +0200 +++ r/subselect_sj2_jcl6,innodb_plugin.reject 2012-04-07 13:10:38.000000000 +0200 @@ -1009,7 +1009,7 @@ 1 PRIMARY t2 ALL a NULL NULL NULL 38 1 PRIMARY eq_ref distinct_key distinct_key 8 func,func 1 2 MATERIALIZED alias1 ALL a NULL NULL NULL 19 Using where -2 MATERIALIZED alias2 ref a a 4 test.alias1.a 1 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan +2 MATERIALIZED alias2 ref a a 4 test.alias1.a 1 Using where SELECT * FROM t2 WHERE (a, a) IN (SELECT alias2.b, alias2.a FROM t1 AS alias1, t1 AS alias2 WHERE