~drizzle-trunk/drizzle/development

#

# Check null keys

--disable_warnings

drop table if exists t1,t2;

--enable_warnings

create table t1 (a int, b int not null,unique key (a,b),index(b)) engine=myisam;

insert ignore into t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(null,7),(9,9),(8,8),(7,7),(null,9),(null,9),(6,6);

explain select * from t1 where a is null;

explain select * from t1 where a is null and b = 2;

explain select * from t1 where a is null and b = 7;

explain select * from t1 where a=2 and b = 2;

explain select * from t1 where a<=>b limit 2;

explain select * from t1 where (a is null or a > 0 and a < 3) and b < 5 limit 3;

explain select * from t1 where (a is null or a = 7) and b=7;

explain select * from t1 where (a is null or a = 7) and b=7 order by a;

explain select * from t1 where (a is null and b>a) or a is null and b=7 limit 2;

explain select * from t1 where a is null and b=9 or a is null and b=7 limit 3;

explain select * from t1 where a > 1 and a < 3 limit 1;

explain select * from t1 where a > 8 and a < 9;

select * from t1 where a is null;

select * from t1 where a is null and b = 7;

select * from t1 where a<=>b limit 2;

select * from t1 where (a is null or a > 0 and a < 3) and b < 5 limit 3;

select * from t1 where (a is null or a > 0 and a < 3) and b > 7 limit 3;

select * from t1 where (a is null or a = 7) and b=7;

select * from t1 where a is null and b=9 or a is null and b=7 limit 3;

select * from t1 where a > 1 and a < 3 limit 1;

select * from t1 where a > 8 and a < 9;

create table t2 like t1;

insert into t2 select * from t1;

alter table t1 modify b blob not null, add c int not null, drop key a, add unique key (a,b(20),c), drop key b, add key (b(10));

explain select * from t1 where a is null and b = 2;

explain select * from t1 where a is null and b = 2 and c=0;

explain select * from t1 where a is null and b = 7 and c=0;

explain select * from t1 where a=2 and b = 2;

explain select * from t1 where a<=>b limit 2;

explain select * from t1 where (a is null or a > 0 and a < 3) and b < 5 and c=0 limit 3;

explain select * from t1 where (a is null or a = 7) and b=7 and c=0;

explain select * from t1 where (a is null and b>a) or a is null and b=7 limit 2;

explain select * from t1 where a is null and b=9 or a is null and b=7 limit 3;

explain select * from t1 where a > 1 and a < 3 limit 1;

explain select * from t1 where a is null and b=7 or a > 1 and a < 3 limit 1;

explain select * from t1 where a > 8 and a < 9;

explain select * from t1 where b like "6%";

select * from t1 where a is null;

select * from t1 where a is null and b = 7 and c=0;

select * from t1 where a<=>b limit 2;

select * from t1 where (a is null or a > 0 and a < 3) and b < 5 limit 3;

select * from t1 where (a is null or a > 0 and a < 3) and b > 7 limit 3;

select * from t1 where (a is null or a = 7) and b=7 and c=0;

select * from t1 where a is null and b=9 or a is null and b=7 limit 3;

select * from t1 where b like "6%";

#

# Test ref_or_null optimization

#

drop table t1;

rename table t2 to t1;

alter table t1 modify b int null;

insert into t1 values (7,null), (8,null), (8,7);

explain select * from t1 where a = 7 and (b=7 or b is null);

select * from t1 where a = 7 and (b=7 or b is null);

explain select * from t1 where (a = 7 or a is null) and (b=7 or b is null);

select * from t1 where (a = 7 or a is null) and (b=7 or b is null);

explain select * from t1 where (a = 7 or a is null) and (a = 7 or a is null);

select * from t1 where (a = 7 or a is null) and (a = 7 or a is null);

create table t2 (a int);

insert into t2 values (7),(8);

explain select * from t2 straight_join t1 where t1.a=t2.a and b is null;

drop index b on t1;

explain select * from t2,t1 where t1.a=t2.a and b is null;

select * from t2,t1 where t1.a=t2.a and b is null;

explain select * from t2,t1 where t1.a=t2.a and (b= 7 or b is null);

select * from t2,t1 where t1.a=t2.a and (b= 7 or b is null);

explain select * from t2,t1 where (t1.a=t2.a or t1.a is null) and b= 7;

select * from t2,t1 where (t1.a=t2.a or t1.a is null) and b= 7;

explain select * from t2,t1 where (t1.a=t2.a or t1.a is null) and (b= 7 or b is null);

select * from t2,t1 where (t1.a=t2.a or t1.a is null) and (b= 7 or b is null);

insert into t2 values (null),(6);

delete from t1 where a=8;

explain select * from t2,t1 where t1.a=t2.a or t1.a is null;

explain select * from t2,t1 where t1.a<=>t2.a or (t1.a is null and t1.b <> 9);

select * from t2,t1 where t1.a<=>t2.a or (t1.a is null and t1.b <> 9);

drop table t1,t2;

#

# The following failed for Matt Loschert

#

CREATE TABLE t1 (

  id int(10) unsigned NOT NULL auto_increment,

  uniq_id int(10) unsigned default NULL,

  PRIMARY KEY  (id),

  UNIQUE KEY idx1 (uniq_id)

) ENGINE=MyISAM;

CREATE TABLE t2 (

  id int(10) unsigned NOT NULL auto_increment,

  uniq_id int(10) unsigned default NULL,

  PRIMARY KEY  (id)

) ENGINE=MyISAM;

INSERT INTO t1 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4),(9,NULL),(10,NULL);

INSERT INTO t2 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4),(9,NULL),(10,NULL);

#

# Check IS NULL optimization

#

explain select id from t1 where uniq_id is null;

explain select id from t1 where uniq_id =1;

#

# Check updates

#

UPDATE t1 SET id=id+100 where uniq_id is null;

UPDATE t2 SET id=id+100 where uniq_id is null;

select id from t1 where uniq_id is null;

select id from t2 where uniq_id is null;

#

# Delete all records from each table where the uniq_id field is null

#

DELETE FROM t1 WHERE uniq_id IS NULL;

DELETE FROM t2 WHERE uniq_id IS NULL;

#

# Select what is left -- notice the difference

#

SELECT * FROM t1 ORDER BY uniq_id, id;

SELECT * FROM t2 ORDER BY uniq_id, id;

DROP table t1,t2;

#

# This crashed MySQL 3.23.47

#

CREATE TABLE `t1` (

  `order_id` char(32) NOT NULL default '',

  `product_id` char(32) NOT NULL default '',

  `product_type` int(11) NOT NULL default '0',

  PRIMARY KEY  (`order_id`,`product_id`,`product_type`)

) ENGINE=MyISAM;

CREATE TABLE `t2` (

  `order_id` char(32) NOT NULL default '',

  `product_id` char(32) NOT NULL default '',

  `product_type` int(11) NOT NULL default '0',

  PRIMARY KEY  (`order_id`,`product_id`,`product_type`)

) ENGINE=MyISAM;

INSERT INTO t1 (order_id, product_id, product_type) VALUES

('3d7ce39b5d4b3e3d22aaafe9b633de51',1206029, 3),

('3d7ce39b5d4b3e3d22aaafe9b633de51',5880836, 3),

('9d9aad7764b5b2c53004348ef8d34500',2315652, 3);

INSERT INTO t2 (order_id, product_id, product_type) VALUES

('9d9aad7764b5b2c53004348ef8d34500',2315652, 3);

select t1.* from t1

left join t2 using(order_id, product_id, product_type)

where t2.order_id=NULL;

select t1.* from t1

left join t2 using(order_id, product_id, product_type)

where t2.order_id is NULL;

drop table t1,t2;

#

# The last select returned wrong results in 3.23.52

#

create table t1 (id int);

insert into t1 values (null), (0);

create table t2 (id int);

insert into t2 values (null);

select * from t1, t2 where t1.id = t2.id;

alter table t1 add key id (id);

select * from t1, t2 where t1.id = t2.id;

drop table t1,t2;

#

# Check bug when doing <=> NULL on an indexed null field

#

create table t1 (

  id  integer,

  id2 integer not null,

  index (id),

  index (id2)

);

insert into t1 values(null,null),(1,1);

select * from t1;

select * from t1 where id <=> null;

select * from t1 where id <=> null or id > 0;

select * from t1 where id is null or id > 0;

select * from t1 where id2 <=> null or id2 > 0;

select * from t1 where id2 is null or id2 > 0;

delete from t1 where id <=> NULL;

select * from t1;

drop table t1;

#

# Test for bug #12144: optimizations for key access with null keys 

#                      used for outer joins

#

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);

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;

FLUSH STATUS ;

SELECT SQL_CALC_FOUND_ROWS * FROM t1 LEFT JOIN t2 ON t1.a=t2.a

                                     LEFT JOIN t3 ON t2.b=t3.b;

SELECT FOUND_ROWS();

SHOW STATUS LIKE "handler_read%";

DROP TABLE t1,t2,t3,t4;

# End of 4.1 tests

#

# BUG#34945 "ref_or_null queries that are null_rejecting and have a null value crash mysql"

# 

CREATE TABLE t1 (

  a int(11) default NULL,

  b int(11) default NULL,

  KEY a (a,b)

);

INSERT INTO t1 VALUES (0,10),(0,11),(0,12);

CREATE TABLE t2 (

  a int(11) default NULL,

  b int(11) default NULL,

  KEY a (a)

);

INSERT INTO t2 VALUES (3,NULL),(3,11),(3,12);

SELECT * FROM t2 inner join t1 WHERE ( t1.a = 0 OR t1.a IS NULL) AND t2.a = 3 AND t2.b = t1.b;

drop table t1, t2;

-- echo End of 5.0 tests