mariadb/mysql-test/t/maria_mrr.test

-- source include/have_maria.inc

--disable_warnings
drop table if exists t1,t2,t3,t4;
--enable_warnings

set @save_storage_engine= @@storage_engine;
set storage_engine=aria;

--source include/mrr_tests.inc 

set storage_engine= @save_storage_engine;

#
# Bug #665049:  index condition pushdown with Maria 
#

CREATE TABLE t1(
  pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
  PRIMARY KEY (pk), INDEX idx (v, i)
) ENGINE=ARIA;
INSERT INTO t1 VALUES 
  (1,9,'x'), (2,5,'g'), (3,1,'o'), (4,0,'g'), (5,1,'v'),
  (6,190,'m'), (7,6,'x'), (8,3,'c'), (9,4,'z'), (10,3,'i'),
  (11,186,'x'), (12,1,'g'), (13,8,'q'), (14,226,'m'), (15,133,'p');

CREATE TABLE t2(
  pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
  PRIMARY KEY (pk), INDEX idx (v, i)
) ENGINE=ARIA;
INSERT INTO t2 SELECT * FROM t1;
INSERT INTO t2 VALUES (77, 333, 'z');

CREATE TABLE t3(
  pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
  PRIMARY KEY (pk), INDEX idx (v, i)
) ENGINE=ARIA;
INSERT INTO t3 SELECT * FROM t1;
INSERT INTO t3 VALUES (88, 442, 'y'), (99, 445, 'w') ;

SELECT COUNT(t1.v) FROM t1, t2 IGNORE INDEX (idx), t3 IGNORE INDEX (idx)
  WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
EXPLAIN 
SELECT COUNT(t1.v) FROM t1, t2 IGNORE INDEX (idx), t3 IGNORE INDEX (idx)
  WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;

SELECT COUNT(t1.v) FROM t1, t2, t3 
  WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;
EXPLAIN 
  SELECT COUNT(t1.v) FROM t1, t2, t3
  WHERE t3.v = t2.v AND t3.i < t2.i AND t3.pk > 0 AND t2.pk > 0;

DROP TABLE t1,t2,t3;