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172 lines
4.6 KiB
Text
172 lines
4.6 KiB
Text
set @save_ext_key_optimizer_switch=@@optimizer_switch;
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#
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# MDEV-3992 Server crash or valgrind errors in test_if_skip_sort_order/test_if_cheaper_ordering
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# on GROUP BY with indexes on InnoDB table
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#
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CREATE TABLE t1 (
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pk INT PRIMARY KEY,
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a VARCHAR(1) NOT NULL,
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KEY (pk)
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) ENGINE=InnoDB;
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set optimizer_switch='extended_keys=on';
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INSERT INTO t1 VALUES (1,'a'),(2,'b');
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EXPLAIN
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SELECT COUNT(*), pk field1, pk AS field2
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FROM t1 WHERE a = 'r' OR pk = 183
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GROUP BY field1, field2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index PRIMARY,pk PRIMARY 4 NULL 2 Using where
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SELECT COUNT(*), pk field1, pk AS field2
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FROM t1 WHERE a = 'r' OR pk = 183
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GROUP BY field1, field2;
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COUNT(*) field1 field2
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EXPLAIN
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SELECT COUNT(*), pk field1 FROM t1
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WHERE a = 'r' OR pk = 183 GROUP BY field1, field1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index PRIMARY,pk PRIMARY 4 NULL 2 Using where
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SELECT COUNT(*), pk field1 FROM t1
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WHERE a = 'r' OR pk = 183 GROUP BY field1, field1;
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COUNT(*) field1
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drop table t1;
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set optimizer_switch=@save_ext_key_optimizer_switch;
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#
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# MDEV-4002 Server crash or valgrind errors in Item_func_group_concat::setup and Item_func_group_concat::add
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#
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CREATE TABLE t1 (
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pk INT NOT NULL PRIMARY KEY,
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d1 DOUBLE,
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d2 DOUBLE,
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i INT NOT NULL DEFAULT '0',
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KEY (i)
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) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (1,1.0,1.1,1),(2,2.0,2.2,2);
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PREPARE stmt FROM "
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SELECT DISTINCT i, GROUP_CONCAT( d1, d2 ORDER BY d1, d2 )
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FROM t1 a1 NATURAL JOIN t1 a2 GROUP BY i WITH ROLLUP
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";
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EXECUTE stmt;
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i GROUP_CONCAT( d1, d2 ORDER BY d1, d2 )
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1 11.1
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2 22.2
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NULL 11.1,22.2
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EXECUTE stmt;
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i GROUP_CONCAT( d1, d2 ORDER BY d1, d2 )
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1 11.1
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2 22.2
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NULL 11.1,22.2
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DROP TABLE t1;
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End of 5.5 tests
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#
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# MDEV-5719: Wrong result with GROUP BY and LEFT OUTER JOIN
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#
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CREATE TABLE t1 (oidGroup INT, oid INT PRIMARY KEY)ENGINE=INNODB;
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INSERT INTO t1 VALUES (1,1),(1,2),(1,3),(1,4);
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CREATE TABLE t2 (oid INT PRIMARY KEY)ENGINE=INNODB;
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INSERT INTO t2 VALUES (3);
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SELECT a.oidGroup, a.oid, b.oid FROM t1 a LEFT JOIN t2 b ON
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a.oid=b.oid WHERE a.oidGroup=1;
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oidGroup oid oid
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1 1 NULL
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1 2 NULL
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1 3 3
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1 4 NULL
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SELECT a.oidGroup, a.oid, b.oid FROM t1 a LEFT JOIN t2 b ON
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a.oid=b.oid WHERE a.oidGroup=1 GROUP BY a.oid;
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oidGroup oid oid
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1 1 NULL
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1 2 NULL
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1 3 3
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1 4 NULL
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DROP TABLE t1, t2;
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#
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# MDEV-7193: Incorrect Query Result (MySQL Bug 68897) in MariaDB 10.0.14
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# (fixed by MDEV-5719)
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#
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CREATE TABLE `t1` (
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`param` int(11) NOT NULL,
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`idx` int(11) NOT NULL,
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`text` varchar(255) default NULL,
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PRIMARY KEY (`param`,`idx`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8;
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INSERT INTO `t1` (`param`, `idx`, `text`) VALUES
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(1, 0, 'select'),
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(1, 1, 'Kabel mit Stecker 5-polig'),
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(1, 2, 'Kabel ohne Stecker'),
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(2, 0, 'number'),
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(2, 1, '22'),
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(2, 2, '25');
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CREATE TABLE `t2` (
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`id` int PRIMARY KEY
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);
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INSERT INTO t2 VALUES (1),(2),(3),(4);
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SELECT t2.id AS id, T.text AS xtext,GROUP_CONCAT(T3.text) AS optionen
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FROM t2
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LEFT JOIN t1 AS T ON(T.param=t2.id AND T.idx=0 )
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LEFT JOIN t1 AS T3 ON(T3.param=t2.id AND T3.idx>0 )
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GROUP BY t2.id
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ORDER BY id ASC;
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id xtext optionen
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1 select Kabel mit Stecker 5-polig,Kabel ohne Stecker
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2 number 22,25
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3 NULL NULL
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4 NULL NULL
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SELECT t2.id AS id, T.text AS xtext,GROUP_CONCAT(T3.text) AS optionen
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FROM t2
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LEFT JOIN t1 AS T ON(T.param=t2.id AND T.idx=0 )
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LEFT JOIN t1 AS T3 ON(T3.param=t2.id AND T3.idx>0 )
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GROUP BY t2.id
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ORDER BY id DESC;
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id xtext optionen
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4 NULL NULL
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3 NULL NULL
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2 number 22,25
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1 select Kabel mit Stecker 5-polig,Kabel ohne Stecker
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DROP TABLE t1, t2;
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#
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# MDEV-11162: Assertion `num_records == m_idx_array.size()' failed in Filesort_buffer::alloc_sort_buffer(uint, uint)
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#
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CREATE TABLE t1 (i INT) ENGINE=InnoDB;
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SELECT ( SELECT DISTINCT GROUP_CONCAT(SLEEP(0)) FROM t1 GROUP BY i );
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( SELECT DISTINCT GROUP_CONCAT(SLEEP(0)) FROM t1 GROUP BY i )
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NULL
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SELECT i FROM t1 order by i LIMIT 1;
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i
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DROP TABLE t1;
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# Port of testcase:
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#
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# Bug#20819199 ASSERTION FAILED IN TEST_IF_SKIP_SORT_ORDER
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#
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CREATE TABLE t0 ( a INT );
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INSERT INTO t0 VALUES (1), (2), (3), (4), (5), (6), (7), (8), (9), (10);
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CREATE TABLE t1 (
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pk INT NOT NULL AUTO_INCREMENT,
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a INT,
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b INT,
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PRIMARY KEY (pk),
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KEY idx1 (a),
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KEY idx2 (b, a),
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KEY idx3 (a, b)
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) ENGINE = InnoDB;
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INSERT INTO t1 (a, b) SELECT t01.a, t02.a FROM t0 t01, t0 t02;
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ANALYZE TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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EXPLAIN SELECT DISTINCT a, MAX(b) FROM t1 WHERE a >= 0 GROUP BY a,a;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range idx1,idx3 idx3 5 NULL 100 Using where; Using index
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SELECT DISTINCT a, MAX(b) FROM t1 WHERE a >= 0 GROUP BY a,a;
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a MAX(b)
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1 10
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2 10
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3 10
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4 10
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5 10
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6 10
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7 10
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8 10
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9 10
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10 10
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DROP TABLE t0, t1;
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# End of tests
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