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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:07:14 +0000
commita175314c3e5827eb193872241446f2f8f5c9d33c (patch)
treecd3d60ca99ae00829c52a6ca79150a5b6e62528b /mysql-test/main/derived_split_innodb.result
parentInitial commit. (diff)
downloadmariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.tar.xz
mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.zip
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+#
+# MDEV-16917: do not use splitting for derived with join cache
+#
+CREATE TABLE t1 (
+n1 int(10) NOT NULL,
+n2 int(10) NOT NULL,
+c1 char(1) NOT NULL,
+KEY c1 (c1),
+KEY n1_c1_n2 (n1,c1,n2)
+) ENGINE=InnoDB;
+INSERT INTO t1 VALUES (0, 2, 'a'), (1, 3, 'a');
+insert into t1 select seq+1,seq+2,'c' from seq_1_to_1000;
+ANALYZE TABLE t1;
+Table Op Msg_type Msg_text
+test.t1 analyze status Engine-independent statistics collected
+test.t1 analyze status OK
+EXPLAIN SELECT t1.n1 FROM t1, (SELECT n1, n2 FROM t1 WHERE c1 = 'a' GROUP BY n1) as t
+WHERE t.n1 = t1.n1 AND t.n2 = t1.n2 AND c1 = 'a' GROUP BY n1;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ref c1,n1_c1_n2 c1 1 const 2 Using index condition; Using where; Using temporary; Using filesort
+1 PRIMARY <derived2> ref key0 key0 8 test.t1.n1,test.t1.n2 2
+2 LATERAL DERIVED t1 ref c1,n1_c1_n2 n1_c1_n2 4 test.t1.n1 1 Using where; Using index
+SELECT t1.n1 FROM t1, (SELECT n1, n2 FROM t1 WHERE c1 = 'a' GROUP BY n1) as t
+WHERE t.n1 = t1.n1 AND t.n2 = t1.n2 AND c1 = 'a' GROUP BY n1;
+n1
+0
+1
+DROP TABLE t1;
+#
+# MDEV-17211: splittable materialized derived joining 3 tables with
+# GROUP BY list containing fields from 2 of them
+#
+CREATE TABLE t1 (
+id1 int, i1 int, id2 int,
+PRIMARY KEY (id1), KEY (i1), KEY (id2)
+) ENGINE=InnoDB;
+INSERT INTO t1 VALUES (1,1,1);
+CREATE TABLE t2 (id2 int, i2 int) ENGINE=InnoDB;
+INSERT INTO t2 VALUES (1, 1);
+CREATE TABLE t3 (id3 int, i3 int, PRIMARY KEY (id3)) ENGINE=InnoDB;
+INSERT INTO t3 VALUES (1,1);
+EXPLAIN SELECT id3
+FROM (SELECT t3.id3, t2.i2, t1.id2 FROM t3,t1,t2
+WHERE t3.i3=t1.id1 AND t2.id2=t1.id2
+GROUP BY t3.id3, t1.id2) AS t,
+t2
+WHERE t2.id2=t.id2;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using where
+1 PRIMARY <derived2> ref key0 key0 5 test.t2.id2 2
+2 DERIVED t3 ALL NULL NULL NULL NULL 1 Using where; Using temporary; Using filesort
+2 DERIVED t1 eq_ref PRIMARY,id2 PRIMARY 4 test.t3.i3 1
+2 DERIVED t2 ALL NULL NULL NULL NULL 1 Using where; Using join buffer (flat, BNL join)
+SELECT id3
+FROM (SELECT t3.id3, t2.i2, t1.id2 FROM t3,t1,t2
+WHERE t3.i3=t1.id1 AND t2.id2=t1.id2
+GROUP BY t3.id3, t1.id2) AS t,
+t2
+WHERE t2.id2=t.id2;
+id3
+1
+DROP TABLE t1,t2,t3;
+#
+# Bug mdev-17381: equi-join of derived table with join_cache_level=4
+#
+CREATE TABLE t1 (
+id int NOT NULL,
+amount decimal DEFAULT NULL,
+PRIMARY KEY (id)
+) ENGINE=INNODB;
+CREATE TABLE t2 (
+id int NOT NULL,
+name varchar(50) DEFAULT NULL,
+PRIMARY KEY (id)
+) ENGINE=INNODB;
+INSERT INTO t1 VALUES
+(1, 10.0000), (2, 20.0000), (3, 30.0000), (4, 40.0000),
+(5, NULL), (6, NULL), (7, 70.0000), (8, 80.0000);
+INSERT INTO t2 VALUES
+(1,'A'), (2,'B'), (3,'C'), (4,'D'), (5, NULL), (6, NULL),
+(7,'E'), (8,'F'), (9,'G'), (10,'H'), (11, NULL), (12, NULL);
+set join_cache_level=4;
+SELECT t2.id,t2.name,t.total_amt
+FROM t2
+LEFT JOIN
+(SELECT id, sum(amount) total_amt FROM t1 GROUP BY id) AS t
+ON t2.id=t.id
+WHERE t2.id < 3;
+id name total_amt
+1 A 10
+2 B 20
+EXPLAIN SELECT t2.id,t2.name,t.total_amt
+FROM t2
+LEFT JOIN
+(SELECT id, sum(amount) total_amt FROM t1 GROUP BY id) AS t
+ON t2.id=t.id
+WHERE t2.id < 3;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 Using where
+1 PRIMARY <derived2> ref key0 key0 5 test.t2.id 2
+2 LATERAL DERIVED t1 eq_ref PRIMARY PRIMARY 4 test.t2.id 1
+set join_cache_level=default;
+DROP TABLE t1,t2;
+#
+# Bug mdev-18467: join of grouping view and a base table as inner operand
+# of left join with on condition containing impossible range
+#
+create table t1 (f1 int, f2 int, key(f2)) engine=InnoDB;
+insert into t1 values (3,33), (7,77), (1,11);
+create table t2 (f1 int, f2 int, primary key (f1)) engine=InnoDB;
+insert into t2 values (3,33), (9,99), (1,11);
+create view v1 as
+select f1, max(f2) as f2 from t2 group by f1;
+select t.f2
+from t1
+left join
+(v1 join t1 as t on v1.f1=t.f1 and t.f2 = null)
+on t1.f1=t.f1;
+f2
+NULL
+NULL
+NULL
+explain select t.f2
+from t1
+left join
+(v1 join t1 as t on v1.f1=t.f1 and t.f2 = null)
+on t1.f1=t.f1;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t const f2 NULL NULL NULL 1 Impossible ON condition
+1 PRIMARY <derived2> const key1 NULL NULL NULL 1 Impossible ON condition
+1 PRIMARY t1 ALL NULL NULL NULL NULL 3
+2 DERIVED t2 ALL PRIMARY NULL NULL NULL 3 Using temporary; Using filesort
+set statement optimizer_switch='split_materialized=off' for explain select t.f2
+from t1
+left join
+(v1 join t1 as t on v1.f1=t.f1 and t.f2 = null)
+on t1.f1=t.f1;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t const f2 NULL NULL NULL 1 Impossible ON condition
+1 PRIMARY <derived3> const key1 NULL NULL NULL 1 Impossible ON condition
+1 PRIMARY t1 ALL NULL NULL NULL NULL 3
+3 DERIVED t2 index NULL PRIMARY 4 NULL 3
+drop view v1;
+drop table t1,t2;
+#
+# MDEV-23723: Crash when test_if_skip_sort_order() is checked for derived table subject to split
+#
+CREATE TABLE t1 (a INT, b INT, KEY (a), KEY (a,b)) ENGINE=InnoDB;
+CREATE TABLE t2 (c INT, KEY (c)) ENGINE=InnoDB;
+SELECT * FROM t1 t1a JOIN t1 t1b;
+a b a b
+INSERT INTO t2 VALUES (1),(2);
+INSERT INTO t1 VALUES (1,2),(3,4),(5,6),(7,8),(9,10),(11,12);
+set statement optimizer_switch='split_materialized=off' for EXPLAIN
+SELECT *
+FROM
+t1 JOIN
+(SELECT t1.a, t1.b FROM t1, t2 WHERE t1.b = t2.c GROUP BY t1.a, t1.b) as dt
+WHERE
+t1.a = dt.a;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 index a,a_2 a_2 10 NULL 6 Using where; Using index
+1 PRIMARY <derived3> ref key0 key0 5 test.t1.a 2
+3 DERIVED t1 index NULL a_2 10 NULL 6 Using where; Using index
+3 DERIVED t2 ref c c 5 test.t1.b 1 Using index
+set statement optimizer_switch='split_materialized=on' for EXPLAIN
+SELECT *
+FROM
+t1 JOIN
+(SELECT t1.a, t1.b FROM t1, t2 WHERE t1.b = t2.c GROUP BY t1.a, t1.b) as dt
+WHERE
+t1.a = dt.a;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 index a,a_2 a_2 10 NULL 6 Using where; Using index
+1 PRIMARY <derived3> ref key0 key0 5 test.t1.a 2
+3 LATERAL DERIVED t1 ref a,a_2 a 5 test.t1.a 1 Using where; Using temporary; Using filesort
+3 LATERAL DERIVED t2 ref c c 5 test.t1.b 1 Using index
+DROP TABLE t1, t2;
+#
+# Bug mdev-25714: usage non-splitting covering index is cheaper than
+# usage of the best splitting index for one group
+#
+create table t1 (
+id int not null, itemid int not null, index idx (itemid)
+) engine=innodb;
+insert into t1 values (1, 2), (2,2), (4,2), (4,2), (0,3), (3,3);
+create table t2 (id int not null) engine=innodb;
+insert into t2 values (2);
+create table t3 (
+id int not null, itemid int not null, userid int not null, primary key (id),
+index idx1 (userid, itemid), index idx2 (itemid)
+) engine innodb;
+insert into t3 values (1,1,1), (2,1,1), (3,2,1), (4,2,1), (5,3,1);
+set use_stat_tables='never';
+set optimizer_use_condition_selectivity=1;
+analyze table t1,t2,t3;
+Table Op Msg_type Msg_text
+test.t1 analyze status OK
+test.t2 analyze status OK
+test.t3 analyze status OK
+set optimizer_switch='split_materialized=on';
+explain select t1.id, t1.itemid, dt.id, t2.id
+from t1,
+(select itemid, max(id) as id from t3 where userid = 1 group by itemid) dt,
+t2
+where t1.id = dt.id and t1.itemid = dt.itemid and t2.id=t1.itemid;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL NULL NULL NULL NULL 1
+1 PRIMARY <derived2> ref key1 key1 4 test.t2.id 2
+1 PRIMARY t1 ALL idx NULL NULL NULL 6 Using where; Using join buffer (flat, BNL join)
+2 DERIVED t3 ref idx1,idx2 idx1 4 const 5 Using where; Using index
+select t1.id, t1.itemid, dt.id, t2.id
+from t1,
+(select itemid, max(id) as id from t3 where userid = 1 group by itemid) dt,
+t2
+where t1.id = dt.id and t1.itemid = dt.itemid and t2.id=t1.itemid;
+id itemid id id
+4 2 4 2
+4 2 4 2
+set optimizer_switch='split_materialized=off';
+explain select t1.id, t1.itemid, dt.id, t2.id
+from t1,
+(select itemid, max(id) as id from t3 where userid = 1 group by itemid) dt,
+t2
+where t1.id = dt.id and t1.itemid = dt.itemid and t2.id=t1.itemid;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL NULL NULL NULL NULL 1
+1 PRIMARY <derived2> ref key1 key1 4 test.t2.id 2
+1 PRIMARY t1 ALL idx NULL NULL NULL 6 Using where; Using join buffer (flat, BNL join)
+2 DERIVED t3 ref idx1 idx1 4 const 5 Using where; Using index
+select t1.id, t1.itemid, dt.id, t2.id
+from t1,
+(select itemid, max(id) as id from t3 where userid = 1 group by itemid) dt,
+t2
+where t1.id = dt.id and t1.itemid = dt.itemid and t2.id=t1.itemid;
+id itemid id id
+4 2 4 2
+4 2 4 2
+drop table t1,t2,t3;
+set optimizer_switch='split_materialized=default';
+set use_stat_tables=default;
+set optimizer_use_condition_selectivity=default;
+# End of 10.3 tests