Merge spetrunia@bk-internal.mysql.com:/home/bk/mysql-5.0

into mysql.com:/home/psergey/mysql-5.0-bug16393-r2


sql/sql_select.cc:
  Auto merged

2 files changed, 31 insertions, 3 deletions

diff --git a/mysql-test/r/join_nested.result b/mysql-test/r/join_nested.result
index 6b7293d46bc..faad969fcd1 100644
--- a/mysql-test/r/join_nested.result
+++ b/mysql-test/r/join_nested.result
@@ -960,7 +960,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	Using where
 1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	2	Using where
 1	SIMPLE	t4	ref	idx_b	idx_b	5	test.t2.b	2	Using where
-1	SIMPLE	t5	ALL	NULL	NULL	NULL	NULL	3	Using where
+1	SIMPLE	t5	ALL	idx_b	NULL	NULL	NULL	3	Using where
 1	SIMPLE	t7	ALL	NULL	NULL	NULL	NULL	2	Using where
 1	SIMPLE	t6	ALL	NULL	NULL	NULL	NULL	3	Using where
 1	SIMPLE	t8	ALL	NULL	NULL	NULL	NULL	2	Using where
@@ -1009,7 +1009,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	Using where
 1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	2	Using where
 1	SIMPLE	t4	ref	idx_b	idx_b	5	test.t2.b	2	Using where
-1	SIMPLE	t5	ALL	NULL	NULL	NULL	NULL	3	Using where
+1	SIMPLE	t5	ALL	idx_b	NULL	NULL	NULL	3	Using where
 1	SIMPLE	t7	ALL	NULL	NULL	NULL	NULL	2	Using where
 1	SIMPLE	t6	ALL	NULL	NULL	NULL	NULL	3	Using where
 1	SIMPLE	t8	ref	idx_b	idx_b	5	test.t5.b	2	Using where
@@ -1059,7 +1059,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	Using where
 1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	2	Using where
 1	SIMPLE	t4	ref	idx_b	idx_b	5	test.t2.b	2	Using where
-1	SIMPLE	t5	ALL	NULL	NULL	NULL	NULL	3	Using where
+1	SIMPLE	t5	ALL	idx_b	NULL	NULL	NULL	3	Using where
 1	SIMPLE	t7	ALL	NULL	NULL	NULL	NULL	2	Using where
 1	SIMPLE	t6	ALL	NULL	NULL	NULL	NULL	3	Using where
 1	SIMPLE	t8	ref	idx_b	idx_b	5	test.t5.b	2	Using where
@@ -1467,3 +1467,17 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t6	ref	a	a	5	test.t4.b	X	
 1	SIMPLE	t5	ref	a	a	5	test.t3.b	X	
 drop table t0, t1, t2, t3, t4, t5, t6, t7;
+create table t1 (a int);
+insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t2 (a int, filler char(100), key(a));
+insert into t2 select A.a + 10*B.a, '' from t1 A, t1 B;
+create table t3 like t2;
+insert into t3 select * from t2;
+explain select * from t1 left join 
+(t2 left join t3 on (t2.a = t3.a)) 
+on (t1.a = t2.a);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	10	
+1	SIMPLE	t2	ref	a	a	5	test.t1.a	1	
+1	SIMPLE	t3	ref	a	a	5	test.t2.a	1	
+drop table t1, t2, t3;
diff --git a/mysql-test/t/join_nested.test b/mysql-test/t/join_nested.test
index 9f23e2d0e2f..145edded486 100644
--- a/mysql-test/t/join_nested.test
+++ b/mysql-test/t/join_nested.test
@@ -900,3 +900,17 @@ explain select * from t2 left join
    join t5 on t5.a=t3.b) on t3.a=t2.b;
 
 drop table t0, t1, t2, t3, t4, t5, t6, t7;
+
+# BUG#16393
+create table t1 (a int);
+insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t2 (a int, filler char(100), key(a));
+insert into t2 select A.a + 10*B.a, '' from t1 A, t1 B;
+create table t3 like t2;
+insert into t3 select * from t2;
+
+explain select * from t1 left join 
+  (t2 left join t3 on (t2.a = t3.a)) 
+  on (t1.a = t2.a);
+drop table t1, t2, t3;
+