diff options
Diffstat (limited to 'mysql-test/t/null_key.test')
-rw-r--r-- | mysql-test/t/null_key.test | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/mysql-test/t/null_key.test b/mysql-test/t/null_key.test index 4952d6ac8e2..228b00d528a 100644 --- a/mysql-test/t/null_key.test +++ b/mysql-test/t/null_key.test @@ -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 |