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null_key.test, null_key.result:

Browse source 
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.
This commit is contained in:
unknown 2005-07-28 16:04:47 -07:00
parent 0cd0a46301
commit a54ddda4c8
2 changed files with 66 additions and 6 deletions
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42
mysql-test/r/null_key.result
View file

@ -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;

30
mysql-test/t/null_key.test
View file

@ -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