mariadb/mysql-test/t/join_outer_innodb.test

#
# test of left outer join for tests that depends on innodb
#

--source include/have_innodb.inc

#
# 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;

--echo #
--echo # BUG#58456: Assertion 0 in QUICK_INDEX_MERGE_SELECT::need_sorted_output
--echo #            in opt_range.h
--echo #

CREATE TABLE t1 (
  col_int INT,
  col_int_key INT,
  pk INT NOT NULL,
  PRIMARY KEY (pk),
  KEY col_int_key (col_int_key)
) ENGINE=InnoDB;

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

CREATE TABLE t2 (
  pk INT PRIMARY KEY
) ENGINE=InnoDB;

let $query=
SELECT t1.pk
FROM t2 LEFT JOIN t1 ON t2.pk = t1.col_int
WHERE t1.col_int_key BETWEEN 5 AND 6 
      AND t1.pk IS NULL OR t1.pk IN (5)
ORDER BY pk;

--echo
--eval EXPLAIN $query
--echo
--eval $query
--echo

DROP TABLE t1,t2;

--echo # End BUG#58456

#
# Bug #848652: crash with RIGHT JOIN and GROUP BY
# 

CREATE TABLE t1(a int, b int, KEY (a), PRIMARY KEY (b))  ENGINE=InnoDB;

CREATE TABLE t2 (b int, PRIMARY KEY (b));
INSERT INTO t2 VALUES (4),(9);

SELECT STRAIGHT_JOIN t1.a FROM t1 RIGHT JOIN t2 ON t1.b = t2.b
  WHERE (t1.b NOT BETWEEN 1 AND 7 OR t1.a IS NULL AND t1.b = t2.b) AND t2.b = 4
GROUP BY 1;

DROP TABLE t1,t2;

--echo #
--echo Bug #59487: WRONG RESULT WITH STRAIGHT_JOIN AND RIGHT JOIN
--echo #

CREATE TABLE t1 (
  pk int(11) NOT NULL,
  col_varchar_10_latin1_key varchar(10) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES (1,'1');
CREATE TABLE t2 (
  pk int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t2 VALUES (1);
CREATE TABLE t3 (
  pk int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t3 VALUES (1);
CREATE TABLE t4 (
  pk int(11) NOT NULL,
  col_int int(11) DEFAULT NULL,
  col_int_key int(11) DEFAULT NULL,
  col_varchar_10_latin1_key varchar(10) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t4 VALUES (1,1,1,'1');
CREATE TABLE t5 (
  col_int int(11) DEFAULT NULL,
  col_varchar_10_utf8_key varchar(10) CHARACTER SET utf8 DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t5 VALUES (1,'1');
CREATE TABLE t6 (
  col_int_key int(11) DEFAULT NULL,
  col_varchar_10_latin1_key varchar(10) DEFAULT NULL,
  pk int(11) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t6 VALUES (1,'1',1);

# EXPLAIN of query above (t2 is before t5 in plan)

let $rest_of_query=t6a.pk, t2.pk
FROM t6 AS t6a
     LEFT JOIN
     (
       t2 
       RIGHT JOIN
       (
         (t1 LEFT JOIN (t4 JOIN t3 ON t4.col_int) ON t4.col_int_key = t1.pk)
         LEFT JOIN
         (t5 JOIN t6 AS t6b 
          ON t5.col_varchar_10_utf8_key = t6b.col_varchar_10_latin1_key)
         ON t1.pk = t5.col_int
       )
       ON t4.col_varchar_10_latin1_key = t1.col_varchar_10_latin1_key
          AND t5.col_varchar_10_utf8_key = 0
     )
     ON t6a.pk IS TRUE
WHERE t6b.col_int_key IS TRUE;

eval SELECT STRAIGHT_JOIN $rest_of_query;
eval EXPLAIN SELECT STRAIGHT_JOIN $rest_of_query;

# right result (same query, just remove STRAIGHT_JOIN):

eval SELECT $rest_of_query;
eval EXPLAIN SELECT $rest_of_query;

drop table t1,t2,t3,t4,t5,t6;