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dbbbf18f40
git-svn-id: file:///svn/mysql/tests/mysql-test@38884 c7de825b-a66e-492c-adef-691d508d4ae1
208 lines
5.8 KiB
Text
208 lines
5.8 KiB
Text
SET STORAGE_ENGINE='tokudb';
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DROP TABLE IF EXISTS t1;
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create table t1(a int, b int, c int, d int, primary key(a), clustering key(b), key (c))engine=tokudb;
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insert into t1 values (1,10,100,1000),(2,20,200,2000),(3,30,300,3000),(4,40,400,4000),(5,50,500,5000),(6,60,600,6000),(7,70,700,7000),(8,80,800,8000),(9,90,900,9000);
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explain select * from t1 where a > 5;
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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 PRIMARY PRIMARY 4 NULL NULL; Using where
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select * from t1 where a > 5;
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a b c d
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6 60 600 6000
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7 70 700 7000
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8 80 800 8000
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9 90 900 9000
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explain select * from t1 where b > 30;
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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 b b 5 NULL NULL; Using where
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select * from t1 where b > 30;
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a b c d
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4 40 400 4000
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5 50 500 5000
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6 60 600 6000
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7 70 700 7000
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8 80 800 8000
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9 90 900 9000
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explain select * from t1 where c > 750;
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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 c c 5 NULL NULL; Using where
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select * from t1 where c > 750;
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a b c d
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8 80 800 8000
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9 90 900 9000
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explain select a from t1 where a > 8;
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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 PRIMARY PRIMARY 4 NULL NULL; Using where; Using index
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select a from t1 where a > 8;
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a
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9
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explain select a,b from t1 where b > 30;
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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 b b 5 NULL NULL; Using where; Using index
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select a,b from t1 where b > 30;
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a b
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4 40
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5 50
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6 60
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7 70
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8 80
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9 90
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explain select a,b from t1 where c > 750;
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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 c c 5 NULL NULL; Using where
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select a,c from t1 where c > 750;
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a c
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8 800
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9 900
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alter table t1 add clustering index bdca(b,d,c,a);
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insert into t1 values (10,10,10,10);
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alter table t1 drop index bdca;
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alter table t1 drop primary key;
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explain select * from t1 where a > 5;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL NULL; Using where
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select * from t1 where a > 5;
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a b c d
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6 60 600 6000
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7 70 700 7000
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8 80 800 8000
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9 90 900 9000
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10 10 10 10
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explain select * from t1 where b > 30;
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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 b b 5 NULL NULL; Using where
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select * from t1 where b > 30;
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a b c d
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4 40 400 4000
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5 50 500 5000
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6 60 600 6000
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7 70 700 7000
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8 80 800 8000
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9 90 900 9000
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explain select * from t1 where c > 750;
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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 c c 5 NULL NULL; Using where
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select * from t1 where c > 750;
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a b c d
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8 80 800 8000
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9 90 900 9000
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explain select b from t1 where b > 30;
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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 b b 5 NULL NULL; Using where; Using index
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select b from t1 where b > 30;
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b
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40
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50
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60
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70
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80
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90
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explain select b from t1 where c > 750;
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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 c c 5 NULL NULL; Using where
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select c from t1 where c > 750;
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c
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800
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900
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alter table t1 add e varchar(20);
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alter table t1 add primary key (a);
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explain select * from t1 where a > 5;
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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 PRIMARY PRIMARY 4 NULL NULL; Using where
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select * from t1 where a > 5;
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a b c d e
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6 60 600 6000 NULL
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7 70 700 7000 NULL
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8 80 800 8000 NULL
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9 90 900 9000 NULL
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10 10 10 10 NULL
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explain select * from t1 where b > 30;
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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 b b 5 NULL NULL; Using where
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select * from t1 where b > 30;
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a b c d e
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4 40 400 4000 NULL
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5 50 500 5000 NULL
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6 60 600 6000 NULL
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7 70 700 7000 NULL
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8 80 800 8000 NULL
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9 90 900 9000 NULL
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explain select * from t1 where c > 750;
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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 c c 5 NULL NULL; Using where
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select * from t1 where c > 750;
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a b c d e
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8 80 800 8000 NULL
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9 90 900 9000 NULL
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explain select a from t1 where a > 8;
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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 PRIMARY PRIMARY 4 NULL NULL; Using where; Using index
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select a from t1 where a > 8;
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a
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9
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10
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explain select a,b from t1 where b > 30;
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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 b b 5 NULL NULL; Using where; Using index
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select a,b from t1 where b > 30;
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a b
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4 40
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5 50
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6 60
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7 70
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8 80
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9 90
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explain select a,b from t1 where c > 750;
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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 c c 5 NULL NULL; Using where
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select a,c from t1 where c > 750;
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a c
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8 800
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9 900
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alter table t1 drop primary key;
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explain select * from t1 where a > 5;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ALL NULL NULL NULL NULL NULL; Using where
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select * from t1 where a > 5;
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a b c d e
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6 60 600 6000 NULL
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7 70 700 7000 NULL
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8 80 800 8000 NULL
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9 90 900 9000 NULL
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10 10 10 10 NULL
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explain select * from t1 where b > 30;
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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 b b 5 NULL NULL; Using where
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select * from t1 where b > 30;
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a b c d e
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4 40 400 4000 NULL
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5 50 500 5000 NULL
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6 60 600 6000 NULL
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7 70 700 7000 NULL
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8 80 800 8000 NULL
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9 90 900 9000 NULL
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explain select * from t1 where c > 750;
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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 c c 5 NULL NULL; Using where
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select * from t1 where c > 750;
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a b c d e
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8 80 800 8000 NULL
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9 90 900 9000 NULL
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explain select b from t1 where b > 30;
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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 b b 5 NULL NULL; Using where; Using index
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select b from t1 where b > 30;
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b
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40
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50
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60
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70
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80
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90
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explain select b from t1 where c > 750;
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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 c c 5 NULL NULL; Using where
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select c from t1 where c > 750;
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c
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800
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900
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drop table t1;
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