EVOLUTION-MANAGER

Edit File: cluster_update2.result

SET DEFAULT_STORAGE_ENGINE='tokudb'; DROP TABLE IF EXISTS t1; create table t1(a int, b int, c int, d int, primary key(a), key(b) clustering=yes)engine=tokudb; 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); select * from t1; a b c d 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 update t1 set d=d+10000; select * from t1; a b c d 1 10 100 11000 2 20 200 12000 3 30 300 13000 4 40 400 14000 5 50 500 15000 6 60 600 16000 7 70 700 17000 8 80 800 18000 9 90 900 19000 explain select * From t1 where b > 0; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index b b 5 NULL NULL; Using where; Using index select * From t1 where b > 0; a b c d 1 10 100 11000 2 20 200 12000 3 30 300 13000 4 40 400 14000 5 50 500 15000 6 60 600 16000 7 70 700 17000 8 80 800 18000 9 90 900 19000 update t1 set a=a+10000; select * from t1; a b c d 10001 10 100 11000 10002 20 200 12000 10003 30 300 13000 10004 40 400 14000 10005 50 500 15000 10006 60 600 16000 10007 70 700 17000 10008 80 800 18000 10009 90 900 19000 explain select * From t1 where b > 0; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index b b 5 NULL NULL; Using where; Using index select * From t1 where b > 0; a b c d 10001 10 100 11000 10002 20 200 12000 10003 30 300 13000 10004 40 400 14000 10005 50 500 15000 10006 60 600 16000 10007 70 700 17000 10008 80 800 18000 10009 90 900 19000 update t1 set b=b+10000; select * from t1; a b c d 10001 10010 100 11000 10002 10020 200 12000 10003 10030 300 13000 10004 10040 400 14000 10005 10050 500 15000 10006 10060 600 16000 10007 10070 700 17000 10008 10080 800 18000 10009 10090 900 19000 explain select * From t1 where b > 0; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index b b 5 NULL NULL; Using where; Using index select * From t1 where b > 0; a b c d 10001 10010 100 11000 10002 10020 200 12000 10003 10030 300 13000 10004 10040 400 14000 10005 10050 500 15000 10006 10060 600 16000 10007 10070 700 17000 10008 10080 800 18000 10009 10090 900 19000 drop table t1; create table t1(a int, b int, c int, d int, key(b) clustering=yes)engine=tokudb; insert into t1 values (2,20,200,2000),(4,40,400,4000),(1,10,100,1000),(5,50,500,5000),(6,60,600,6000),(7,70,700,7000),(8,80,800,8000),(3,30,300,3000),(9,90,900,9000); select * from t1; a b c d 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 update t1 set d=d+10000; select * from t1; a b c d 1 10 100 11000 2 20 200 12000 3 30 300 13000 4 40 400 14000 5 50 500 15000 6 60 600 16000 7 70 700 17000 8 80 800 18000 9 90 900 19000 explain select * From t1 where b > 0; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index b b 5 NULL NULL; Using where; Using index select * From t1 where b > 0; a b c d 1 10 100 11000 2 20 200 12000 3 30 300 13000 4 40 400 14000 5 50 500 15000 6 60 600 16000 7 70 700 17000 8 80 800 18000 9 90 900 19000 update t1 set b=b+10000; select * from t1; a b c d 1 10010 100 11000 2 10020 200 12000 3 10030 300 13000 4 10040 400 14000 5 10050 500 15000 6 10060 600 16000 7 10070 700 17000 8 10080 800 18000 9 10090 900 19000 explain select * From t1 where b > 0; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index b b 5 NULL NULL; Using where; Using index select * From t1 where b > 0; a b c d 1 10010 100 11000 2 10020 200 12000 3 10030 300 13000 4 10040 400 14000 5 10050 500 15000 6 10060 600 16000 7 10070 700 17000 8 10080 800 18000 9 10090 900 19000 alter table t1 drop key b; alter table t1 add key b(b) clustering=yes; select * from t1; a b c d 1 10010 100 11000 2 10020 200 12000 3 10030 300 13000 4 10040 400 14000 5 10050 500 15000 6 10060 600 16000 7 10070 700 17000 8 10080 800 18000 9 10090 900 19000 explain select * From t1 where b > 0; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index b b 5 NULL NULL; Using where; Using index select * From t1 where b > 0; a b c d 1 10010 100 11000 2 10020 200 12000 3 10030 300 13000 4 10040 400 14000 5 10050 500 15000 6 10060 600 16000 7 10070 700 17000 8 10080 800 18000 9 10090 900 19000 drop table t1;