mirror of
https://github.com/MariaDB/server.git
synced 2025-07-29 05:21:33 +03:00
Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0-opt
into moonbone.local:/work/21475-bug-5.0-opt-mysql
This commit is contained in:
@ -318,3 +318,22 @@ explain select distinct f1, f2 from t1;
|
||||
id select_type table type possible_keys key key_len ref rows Extra
|
||||
1 SIMPLE t1 range NULL PRIMARY 5 NULL 3 Using index for group-by; Using temporary
|
||||
drop table t1;
|
||||
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 t2 index NULL fkey 5 NULL 5 Using index
|
||||
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.fkey 1 Using where
|
||||
DROP TABLE t1,t2;
|
||||
|
@ -1137,25 +1137,6 @@ 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 t2 index NULL fkey 5 NULL 5 Using index
|
||||
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.fkey 1 Using where
|
||||
DROP TABLE t1,t2;
|
||||
DROP VIEW IF EXISTS v1,v2;
|
||||
DROP TABLE IF EXISTS t1,t2;
|
||||
CREATE TABLE t1 (a int);
|
||||
|
@ -282,3 +282,23 @@ explain select distinct f1 a, f1 b from t1;
|
||||
explain select distinct f1, f2 from t1;
|
||||
drop table t1;
|
||||
|
||||
#
|
||||
# Test for bug #17164: ORed FALSE blocked conversion of outer join into join
|
||||
#
|
||||
|
||||
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%';
|
||||
|
||||
EXPLAIN
|
||||
SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id
|
||||
WHERE t1.name LIKE 'A%' OR FALSE;
|
||||
|
||||
DROP TABLE t1,t2;
|
||||
|
@ -759,27 +759,6 @@ EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON t1.a = t2.a WHERE t1.a > IF(t1.a = t2.b
|
||||
|
||||
DROP TABLE t1,t2;
|
||||
|
||||
#
|
||||
# Test for bug #17164: ORed FALSE blocked conversion of outer join into join
|
||||
#
|
||||
|
||||
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%';
|
||||
|
||||
EXPLAIN
|
||||
SELECT COUNT(*) FROM t2 LEFT JOIN t1 ON t2.fkey = t1.id
|
||||
WHERE t1.name LIKE 'A%' OR FALSE;
|
||||
|
||||
DROP TABLE t1,t2;
|
||||
|
||||
#
|
||||
# Bug 19396: LEFT OUTER JOIN over views in curly braces
|
||||
#
|
||||
|
Reference in New Issue
Block a user