# # 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;