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Directory :  /www/server/mysql/mysql-test/t/

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Current File : /www/server/mysql/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

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