aliases should be compared with my_strcasecmp (BUG#3251)

some db comparison code cleupup
removed compiler warnings

1 files changed, 10 insertions, 1 deletions

diff --git a/mysql-test/r/lowercase_table.result b/mysql-test/r/lowercase_table.result
index f4e7723a608..8bf3db8cad0 100644
--- a/mysql-test/r/lowercase_table.result
+++ b/mysql-test/r/lowercase_table.result
@@ -1,4 +1,4 @@
-drop table if exists t1,t2,t3,t4,T1;
+drop table if exists t1,t2,t3,t4;
 create table T1 (id int primary key, Word varchar(40) not null, Index(Word));
 create table t4 (id int primary key, Word varchar(40) not null);
 INSERT INTO T1 VALUES (1, 'a'), (2, 'b'), (3, 'c');
@@ -49,3 +49,12 @@ delete P1.*,p2.* from t1 as P1, t2 as P2 where P1.a=p2.a;
 update t1 as p1, t2 as p2 SET p1.a=1,P2.a=1 where p1.a=P2.a;
 update t1 as P1, t2 as P2 SET P1.a=1,p2.a=1 where P1.a=p2.a;
 drop table t1,t2;
+create table t1 (a int);
+create table t2 (a int);
+select * from t1 c, t2 C;
+ERROR 42000: Not unique table/alias: 'C'
+select C.a, c.a from t1 c, t2 C;
+ERROR 42000: Not unique table/alias: 'C'
+drop table t1, t2;
+show tables;
+Tables_in_test