*** Bug #38039 ***
SET @@storage_engine = 'Falcon';
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a_int INT) Engine = Falcon;
ALTER TABLE t1 ADD KEY (a_int);
SHOW INDEXES FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a_int	1	a_int	NULL	1	NULL	NULL	YES	BTREE		
ALTER TABLE t1 ADD KEY (a_int);
SHOW INDEXES FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a_int	1	a_int	NULL	1	NULL	NULL	YES	BTREE		
t1	1	a_int_2	1	a_int	NULL	1	NULL	NULL	YES	BTREE		
ALTER TABLE t1 DROP KEY a_int;
SHOW INDEXES FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_Comment
t1	1	a_int_2	1	a_int	NULL	1	NULL	NULL	YES	BTREE		
DROP TABLE t1;
