diff options
Diffstat (limited to 'mysql-test/r/join_outer_innodb.result')
| -rw-r--r-- | mysql-test/r/join_outer_innodb.result | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/mysql-test/r/join_outer_innodb.result b/mysql-test/r/join_outer_innodb.result new file mode 100644 index 00000000000..dfc6bd49318 --- /dev/null +++ b/mysql-test/r/join_outer_innodb.result @@ -0,0 +1,19 @@ +CREATE TABLE t1 (id int(11) NOT NULL PRIMARY KEY, name varchar(20), +INDEX (name)) ENGINE=InnoDB; +CREATE TABLE t2 (id int(11) NOT NULL PRIMARY KEY, fkey int(11), +FOREIGN KEY (fkey) REFERENCES t2(id)) ENGINE=InnoDB; +INSERT INTO t1 VALUES (1,'A1'),(2,'A2'),(3,'B'); +INSERT INTO t2 VALUES (1,1),(2,2),(3,2),(4,3),(5,3); +EXPLAIN +SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id +WHERE t1.name LIKE 'A%'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index PRIMARY,name name 23 NULL 3 Using where; Using index +1 SIMPLE t2 ref fkey fkey 5 test.t1.id 1 Using where; Using index +EXPLAIN +SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id +WHERE t1.name LIKE 'A%' OR FALSE; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index PRIMARY,name name 23 NULL 3 Using where; Using index +1 SIMPLE t2 ref fkey fkey 5 test.t1.id 1 Using where; Using index +DROP TABLE t1,t2; |