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Move innodb dependent test to join_outer_innodb

This commit is contained in:
msvensson@neptunus.(none)
2006-05-22 13:57:32 +02:00
parent 6202cd0f6e
commit 5367facc66
4 changed files with 47 additions and 37 deletions

View File

@@ -1135,25 +1135,6 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL PRIMARY NULL NULL NULL 4 Using where
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.a 1
DROP TABLE t1,t2;
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;
DROP VIEW IF EXISTS v1,v2;
DROP TABLE IF EXISTS t1,t2;
CREATE TABLE t1 (a int);