Commit a54ddda4 authored by unknown's avatar unknown
Browse files

null_key.test, null_key.result: 

  Modified the test case for patch of the bug #12144
  to display status of Handler_read_next before and
  after the tested query.


mysql-test/r/null_key.result:
  Modified the test case for patch of the bug #12144
  to display status of Handler_read_next before and
  after the tested query.
mysql-test/t/null_key.test:
  Modified the test case for patch of the bug #12144
  to display status of Handler_read_next before and
  after the tested query.
parent 0cd0a463

mysql-test/r/null_key.result

+39 −3
Original line number Diff line number Diff line
@@ -367,23 +367,51 @@ drop table t1; 
CREATE TABLE t1 (a int);

CREATE TABLE t2 (a int, b int, INDEX idx(a));

CREATE TABLE t3 (b int, INDEX idx(b));

CREATE TABLE t4 (b int, INDEX idx(b));

INSERT INTO t1 VALUES (1), (2), (3), (4);

INSERT INTO t2 VALUES (1, 1), (3, 1);

INSERT INTO t3 VALUES 

(NULL), (NULL), (NULL), (NULL), (NULL),

(NULL), (NULL), (NULL), (NULL), (NULL),

(2);

(NULL), (NULL), (NULL), (NULL), (NULL);

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t3 VALUES (2), (3);

ANALYZE table t1, t2, t3;

Table	Op	Msg_type	Msg_text

test.t1	analyze	status	OK

test.t2	analyze	status	OK

test.t3	analyze	status	OK

SELECT COUNT(*) FROM t3;

COUNT(*)

15972

EXPLAIN SELECT SQL_CALC_FOUND_ROWS * FROM t1 LEFT JOIN t2 ON t1.a=t2.a

LEFT JOIN t3 ON t2.b=t3.b;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	

1	SIMPLE	t2	ref	idx	idx	5	test.t1.a	1	

1	SIMPLE	t3	ref	idx	idx	5	test.t2.b	1	Using index

SHOW STATUS LIKE "handler_read%";

Variable_name	Value

Handler_read_first	25

Handler_read_key	63

Handler_read_next	25979

Handler_read_prev	0

Handler_read_rnd	0

Handler_read_rnd_next	147

SELECT SQL_CALC_FOUND_ROWS * FROM t1 LEFT JOIN t2 ON t1.a=t2.a

LEFT JOIN t3 ON t2.b=t3.b;

a	a	b	b
@@ -391,7 +419,15 @@ a a b b 
2	NULL	NULL	NULL

3	3	1	NULL

4	NULL	NULL	NULL

SHOW STATUS LIKE "handler_read%";

Variable_name	Value

Handler_read_first	25

Handler_read_key	69

Handler_read_next	25981

Handler_read_prev	0

Handler_read_rnd	0

Handler_read_rnd_next	152

SELECT FOUND_ROWS();

FOUND_ROWS()

4

DROP TABLE t1,t2,t3;
 
DROP TABLE t1,t2,t3,t4;

mysql-test/t/null_key.test

+27 −3
Original line number Diff line number Diff line
@@ -200,21 +200,45 @@ drop table t1; 
CREATE TABLE t1 (a int);

CREATE TABLE t2 (a int, b int, INDEX idx(a));

CREATE TABLE t3 (b int, INDEX idx(b));

CREATE TABLE t4 (b int, INDEX idx(b));

INSERT INTO t1 VALUES (1), (2), (3), (4);

INSERT INTO t2 VALUES (1, 1), (3, 1);

INSERT INTO t3 VALUES 

  (NULL), (NULL), (NULL), (NULL), (NULL),

  (NULL), (NULL), (NULL), (NULL), (NULL),

  (2);

  (NULL), (NULL), (NULL), (NULL), (NULL);

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t4 SELECT * FROM t3;

INSERT INTO t3 SELECT * FROM t4;

INSERT INTO t3 VALUES (2), (3);



ANALYZE table t1, t2, t3;



SELECT COUNT(*) FROM t3;



EXPLAIN SELECT SQL_CALC_FOUND_ROWS * FROM t1 LEFT JOIN t2 ON t1.a=t2.a

                                             LEFT JOIN t3 ON t2.b=t3.b;

SHOW STATUS LIKE "handler_read%";





SELECT SQL_CALC_FOUND_ROWS * FROM t1 LEFT JOIN t2 ON t1.a=t2.a

                                     LEFT JOIN t3 ON t2.b=t3.b;



SHOW STATUS LIKE "handler_read%";



SELECT FOUND_ROWS();



DROP TABLE t1,t2,t3;

DROP TABLE t1,t2,t3,t4;

# End of 4.1 tests