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5.3->5.5 merge
This commit is contained in:
Sergei Golubchik
commit
d2755a2c9c
394 changed files with 17627 additions and 3353 deletions
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@ -1,6 +1,8 @@
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drop table if exists t1,t2,t3,t4;
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drop view if exists v1,v2,v3;
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set @subselect_extra_tmp=@@optimizer_switch;
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set optimizer_switch='semijoin=on,firstmatch=on,loosescan=on';
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set @@optimizer_switch=ifnull(@optimizer_switch_for_subselect_extra_test,
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"semijoin=on,firstmatch=on,loosescan=on,semijoin_with_cache=on,partial_match_rowid_merge=off,partial_match_table_scan=off");
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# From explain.test:
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#
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# Bug#37870: Usage of uninitialized value caused failed assertion.
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@ -227,7 +229,7 @@ group by a1,a2,b;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 range NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
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2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
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2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2)
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2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2); Using join buffer (flat, BNL join)
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select a1,a2,b,c,min(c), max(c) from t1
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where exists ( select * from t2
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where t2.c in (select c from t3 where t3.c > t1.b) and
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@ -258,7 +260,7 @@ group by a1,a2,b;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using where; Using index
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2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
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2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2)
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2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2); Using join buffer (flat, BNL join)
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select a1,a2,b,c,min(c), max(c) from t1
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where exists ( select * from t2
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where t2.c in (select c from t3 where t3.c > t1.c) and
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@ -305,7 +307,7 @@ EXPLAIN SELECT 1 FROM t1 WHERE a IN
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(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 index PRIMARY,i2 PRIMARY 4 NULL 144 Using index
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1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t1)
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1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t1); Using join buffer (flat, BNL join)
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CREATE TABLE t2 (a INT, b INT, KEY(a));
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INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4);
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EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2;
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@ -318,6 +320,159 @@ EXPLAIN SELECT 1 FROM t2 WHERE a IN
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(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2));
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t2 index a a 5 NULL 4 Using index
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1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t2)
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1 PRIMARY t1 ALL NULL NULL NULL NULL 144 Using where; FirstMatch(t2); Using join buffer (flat, BNL join)
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DROP TABLE t1, t2;
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set optimizer_switch= @subselect_extra_tmp;
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#
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# From derived_view.test
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#
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set @tmp_subselect_extra_derived=@@optimizer_switch;
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set optimizer_switch='derived_merge=on,derived_with_keys=on';
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#
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# LP bug #806504: right join over a view/derived table
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#
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CREATE TABLE t1 (a int, b int) ;
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INSERT INTO t1 VALUES (0,0);
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CREATE TABLE t2 (a int) ;
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INSERT INTO t2 VALUES (0), (0);
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CREATE VIEW v1 AS SELECT * FROM t1;
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SELECT * FROM t2 RIGHT JOIN (SELECT * FROM t1) AS t ON t.a != 0
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WHERE t.a IN (SELECT b FROM t1);
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a a b
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NULL 0 0
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EXPLAIN EXTENDED
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SELECT * FROM t2 RIGHT JOIN (SELECT * FROM t1) AS t ON t.a != 0
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WHERE t.a IN (SELECT b FROM t1);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
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1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
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1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
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Warnings:
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Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` semi join (dual) where 1
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SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0
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WHERE t.a IN (SELECT b FROM t1);
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a a b
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NULL 0 0
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EXPLAIN EXTENDED
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SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0
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WHERE t.a IN (SELECT b FROM t1);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
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1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
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1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
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Warnings:
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Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` semi join (dual) where 1
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DROP VIEW v1;
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DROP TABLE t1,t2;
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#
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# LP bug #793448: materialized view accessed by two-component key
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#
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CREATE TABLE t1 (a int, b int);
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INSERT INTO t1 VALUES (9,3), (2,5);
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CREATE TABLE t2 (a int, b int);
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INSERT INTO t2 VALUES (9,3), (3,7), (9,1), (2,5), (2,4), (3,8);
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CREATE TABLE t3 (a int, b int);
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INSERT INTO t3 VALUES (10,3), (9,7), (9,1), (2,4);
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CREATE VIEW v1(a,b) AS SELECT a, MAX(b) FROM t2 GROUP BY a;
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CREATE VIEW v2(a,b) AS SELECT a,b FROM t2 UNION SELECT a,b FROM t3;
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SELECT * FROM v1;
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a b
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2 5
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3 8
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9 3
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SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v1);
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a
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9
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2
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EXPLAIN
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SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v1);
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
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1 PRIMARY <derived3> ref key0 key0 10 test.t1.a,test.t1.b 2 FirstMatch(t1)
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3 DERIVED t2 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort
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SELECT * FROM v2;
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a b
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9 3
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3 7
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9 1
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2 5
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2 4
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3 8
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10 3
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9 7
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SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v2);
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a
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9
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2
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EXPLAIN
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SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v2);
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
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1 PRIMARY <derived3> ref key0 key0 10 test.t1.a,test.t1.b 2 FirstMatch(t1)
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3 DERIVED t2 ALL NULL NULL NULL NULL 6
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4 UNION t3 ALL NULL NULL NULL NULL 4
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NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL
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DROP VIEW v1,v2;
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DROP TABLE t1,t2,t3;
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#
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# LP bug #874006: materialized view used in IN subquery
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#
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CREATE TABLE t3 (a int NOT NULL, b varchar(1), c varchar(1));
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INSERT INTO t3 VALUES (19,NULL,NULL), (20,'r','r');
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CREATE TABLE t1 (a int, b varchar(1) , c varchar(1));
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INSERT INTO t1 VALUES (1,NULL,NULL), (5,'r','r'), (7,'y','y');
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CREATE TABLE t2 (a int NOT NULL , b int, c varchar(1));
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INSERT INTO t2 VALUES (4,3,'r');
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CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1;
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SET SESSION optimizer_switch='derived_with_keys=off';
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EXPLAIN
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SELECT * FROM t3
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WHERE t3.b IN (SELECT v1.b FROM v1, t2
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WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t2 system NULL NULL NULL NULL 1
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1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where
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1 PRIMARY <derived3> ALL NULL NULL NULL NULL 3 Using where; Start temporary; End temporary
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3 DERIVED t1 ALL NULL NULL NULL NULL 3
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SELECT * FROM t3
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WHERE t3.b IN (SELECT v1.b FROM v1, t2
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WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
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a b c
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20 r r
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SET SESSION optimizer_switch='derived_with_keys=on';
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EXPLAIN
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SELECT * FROM t3
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WHERE t3.b IN (SELECT v1.b FROM v1, t2
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WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t2 system NULL NULL NULL NULL 1
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1 PRIMARY <derived3> ref key1 key1 10 const,const 0 Start temporary
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1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer (flat, BNL join)
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3 DERIVED t1 ALL NULL NULL NULL NULL 3
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SELECT * FROM t3
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WHERE t3.b IN (SELECT v1.b FROM v1, t2
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WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
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a b c
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20 r r
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DROP VIEW v1;
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DROP TABLE t1,t2,t3;
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#
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# LP bug #873263: materialized view used in correlated IN subquery
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#
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CREATE TABLE t1 (a int, b int) ;
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INSERT INTO t1 VALUES (5,4), (9,8);
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CREATE TABLE t2 (a int, b int) ;
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INSERT INTO t2 VALUES (4,5), (5,1);
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CREATE ALGORITHM=TEMPTABLE VIEW v2 AS SELECT * FROM t2;
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SET SESSION optimizer_switch='derived_with_keys=on';
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EXPLAIN
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SELECT * FROM t1 WHERE t1.b IN (SELECT v2.a FROM v2 WHERE v2.b = t1.a);
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
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1 PRIMARY <derived3> ref key0 key0 10 test.t1.b,test.t1.a 2 FirstMatch(t1)
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3 DERIVED t2 ALL NULL NULL NULL NULL 2
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SELECT * FROM t1 WHERE t1.b IN (SELECT v2.a FROM v2 WHERE v2.b = t1.a);
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a b
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5 4
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DROP VIEW v2;
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DROP TABLE t1,t2;
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set optimizer_switch= @tmp_subselect_extra_derived;
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