mariadb/mysql-test/t/selectivity_innodb.test

--source include/have_innodb.inc
# This test is slow on buildbot.
--source include/big_test.inc
--source include/default_optimizer_switch.inc

SET SESSION STORAGE_ENGINE='InnoDB';

set @save_optimizer_switch_for_selectivity_test=@@optimizer_switch;
set optimizer_switch='extended_keys=on';

--source selectivity.test

set optimizer_switch=@save_optimizer_switch_for_selectivity_test;
set @tmp_ust= @@use_stat_tables;
set @tmp_oucs= @@optimizer_use_condition_selectivity;


--echo #
--echo # MDEV-6808: MariaDB 10.0.13 crash with optimizer_use_condition_selectivity > 1
--echo #
set @tmp_mdev6808= @@optimizer_use_condition_selectivity;
SET optimizer_use_condition_selectivity = 2;
CREATE TABLE t1 (
  event_id int(11) unsigned NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (event_id)
) ENGINE=InnoDB;

CREATE TABLE t2 (
  repost_id int(11) unsigned NOT NULL AUTO_INCREMENT,
  subject_type varchar(24) CHARACTER SET latin1 COLLATE latin1_general_ci NOT NULL,
  subject_id int(11) unsigned NOT NULL,
  object_type varchar(24) CHARACTER SET latin1 COLLATE latin1_general_ci NOT NULL,
  object_id int(11) unsigned NOT NULL,
  is_private int(1) NOT NULL DEFAULT '0',
  PRIMARY KEY (repost_id),
  UNIQUE KEY `BETWEEN` (subject_type,subject_id,object_type,object_id,is_private),
  KEY SUBJECT (subject_type,subject_id),
  KEY OBJECT (object_type,object_id)
) ENGINE=InnoDB;

SELECT
  *
FROM 
   t2, t1 
WHERE 
    t2.object_type = 'event' AND 
    t2.object_id = t1.event_id AND 
    t2.is_private = 0 AND 
    t2.subject_id = 127994 AND 
    t2.subject_type in ('user')
;
DROP TABLE t1, t2;
set optimizer_use_condition_selectivity=@tmp_mdev6808;

--echo #
--echo # MDEV-6442: Assertion `join->best_read < double(...)' failed with optimizer_use_condition_selectivity >=3, ...
--echo #
SET use_stat_tables = PREFERABLY;
SET optimizer_use_condition_selectivity = 3;

CREATE TABLE t1 ( a VARCHAR(3), b VARCHAR(8), KEY (a,b) ) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('USA','Chinese'),('USA','English');

CREATE TABLE t2 (i INT) ENGINE=InnoDB;

SELECT * FROM t1, t2 WHERE ( 't', 'o' ) IN ( 
  SELECT t1_2.b, t1_1.a FROM t1 AS t1_1 STRAIGHT_JOIN t1 AS t1_2 ON ( t1_2.a = t1_1.b ) 
);
DROP TABLE t1,t2;

--echo # 
--echo # MDEV-6738: use_stat_table + histograms crashing optimizer
--echo # 

set use_stat_tables='preferably';
set optimizer_use_condition_selectivity=4;

--echo # Need innodb because there is a special kind of field_bit for non-myisam tables
create table t1(col1 int, col2 bit(1) DEFAULT NULL) engine=innodb;

select * from t1 where col2 != true;

drop table t1;

--echo #
--echo # MDEV-7413: optimizer_use_condition_selectivity > 2 crashes 10.0.15+maria-1~wheezy
--echo #

CREATE TABLE t1 (
  parent_id int,
  child_group_id int,
  child_user_id int,
  KEY (parent_id,child_group_id,child_user_id)
) ENGINE=InnoDB;

CREATE TABLE t2 (
  id int,
  lower_group_name varchar(255),
  directory_id int(20),
  UNIQUE KEY (directory_id)
) ENGINE=InnoDB;

CREATE TABLE t3 (id int) ENGINE=InnoDB;

insert into t1 values (1,1,1),(2,2,2);
insert into t2 values (10,'foo',10),(20,'bar',20);
insert into t3 values (101),(102);
set use_stat_tables = PREFERABLY, optimizer_use_condition_selectivity = 3;

select * from t1, t2, t3 
where t1.child_user_id=t3.id and t1.child_group_id is null and t2.lower_group_name='foo' and t1.parent_id=t2.id and t2.directory_id=10;

drop table t1,t2,t3;

--echo #
--echo # MDEV-9187: duplicate of bug mdev-9628
--echo #

set use_stat_tables = preferably;
set optimizer_use_condition_selectivity=3;
 
CREATE TABLE t1 (f1 char(32)) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('foo'),('bar'),('qux');
ANALYZE TABLE t1;

SELECT * FROM t1 WHERE f1 < 'm';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE f1 < 'm';

CREATE TABLE t2 (f1 TEXT) ENGINE=InnoDB;
INSERT INTO t2 VALUES ('foo'),('bar'),('qux');
ANALYZE TABLE t2;

SELECT * FROM t2 WHERE f1 <> 'qux';
EXPLAIN EXTENDED
SELECT * FROM t2 WHERE f1 <> 'qux';

DROP TABLE t1,t2;

--echo #
--echo # End of 10.0 tests
--echo #


--echo #
--echo # Start of 10.1 tests
--echo #

--echo #
--echo # MDEV-11060: sql/protocol.cc:532: void Protocol::end_statement(): Assertion `0' failed
--echo #


set optimizer_use_condition_selectivity=4;

--disable_warnings
drop view if exists v1;
--enable_warnings

create table t1 (a int not null, b int, c int) engine=InnoDB;
create trigger trgi before insert on t1 for each row set new.a=if(new.a is null,new.b,new.c);

create table t2 (d int, e int) engine=InnoDB;
update t1, t2 set a=NULL, b=2, c=NULL where b=d and e=200;

create view v1 as select * from t1, t2 where d=2;
--error ER_BAD_NULL_ERROR
insert v1 (a,c) values (NULL, 20);

drop table t1,t2;
drop view v1;

--echo #
--echo # End of 10.1 tests
--echo #

set use_stat_tables= @tmp_ust;
set optimizer_use_condition_selectivity= @tmp_oucs;
set @@global.histogram_size=@save_histogram_size;
SET SESSION STORAGE_ENGINE=DEFAULT;