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drop table if exists t1, t2;
set local default_storage_engine=innodb;
set local storage_engine=innodb;
create table t1 (
file_id bigint unsigned not null auto_increment primary key,
file_number bigint not null);
insert into t1 values (1,1), (2,2), (3,3), (4,4), (5,5), (6,6), (7,7), (8,8), (9,9), (10,10);
insert into t1 select t1.file_id+10, t1.file_number+10 from t1;
insert into t1 select t1.file_id+20, t1.file_number+20 from t1;
insert into t1 select t1.file_id+40, t1.file_number+40 from t1;
insert into t1 select t1.file_id+100, t1.file_number+100 from t1;
insert into t1 select t1.file_id+200, t1.file_number+200 from t1;
insert into t1 select t1.file_id+400, t1.file_number+400 from t1;
insert into t1 select t1.file_id+1000, t1.file_number+1000 from t1;
insert into t1 select t1.file_id+10000, t1.file_number+10000 from t1;
insert into t1 select t1.file_id+100000, t1.file_number+100000 from t1;
insert into t1 select t1.file_id+1000000, t1.file_number+1000000 from t1;
insert into t1 select t1.file_id+10000000, t1.file_number+10000000 from t1;
insert into t1 select t1.file_id+100000000, t1.file_number+100000000 from t1;
create table t2 (
file_id bigint unsigned not null,
country char(2) not null,
hits bigint not null,
insert_ts date not null,
primary key (file_id, insert_ts, country),
key idx2 (insert_ts, country));
insert into t2 select t1.file_id, 'US', 5, now() from t1;
Warnings:
Note 1265 Data truncated for column 'insert_ts' at row 1
Note 1265 Data truncated for column 'insert_ts' at row 2
Note 1265 Data truncated for column 'insert_ts' at row 3
Note 1265 Data truncated for column 'insert_ts' at row 4
Note 1265 Data truncated for column 'insert_ts' at row 5
Note 1265 Data truncated for column 'insert_ts' at row 6
Note 1265 Data truncated for column 'insert_ts' at row 7
Note 1265 Data truncated for column 'insert_ts' at row 8
Note 1265 Data truncated for column 'insert_ts' at row 9
Note 1265 Data truncated for column 'insert_ts' at row 10
Note 1265 Data truncated for column 'insert_ts' at row 11
Note 1265 Data truncated for column 'insert_ts' at row 12
Note 1265 Data truncated for column 'insert_ts' at row 13
Note 1265 Data truncated for column 'insert_ts' at row 14
Note 1265 Data truncated for column 'insert_ts' at row 15
Note 1265 Data truncated for column 'insert_ts' at row 16
Note 1265 Data truncated for column 'insert_ts' at row 17
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Note 1265 Data truncated for column 'insert_ts' at row 19
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Note 1265 Data truncated for column 'insert_ts' at row 30
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Note 1265 Data truncated for column 'insert_ts' at row 37
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Note 1265 Data truncated for column 'insert_ts' at row 49
Note 1265 Data truncated for column 'insert_ts' at row 50
Note 1265 Data truncated for column 'insert_ts' at row 51
Note 1265 Data truncated for column 'insert_ts' at row 52
Note 1265 Data truncated for column 'insert_ts' at row 53
Note 1265 Data truncated for column 'insert_ts' at row 54
Note 1265 Data truncated for column 'insert_ts' at row 55
Note 1265 Data truncated for column 'insert_ts' at row 56
Note 1265 Data truncated for column 'insert_ts' at row 57
Note 1265 Data truncated for column 'insert_ts' at row 58
Note 1265 Data truncated for column 'insert_ts' at row 59
Note 1265 Data truncated for column 'insert_ts' at row 60
Note 1265 Data truncated for column 'insert_ts' at row 61
Note 1265 Data truncated for column 'insert_ts' at row 62
Note 1265 Data truncated for column 'insert_ts' at row 63
Note 1265 Data truncated for column 'insert_ts' at row 64
insert into t2 select t1.file_id, 'CA', 5, now() from t1;
Warnings:
Note 1265 Data truncated for column 'insert_ts' at row 1
Note 1265 Data truncated for column 'insert_ts' at row 2
Note 1265 Data truncated for column 'insert_ts' at row 3
Note 1265 Data truncated for column 'insert_ts' at row 4
Note 1265 Data truncated for column 'insert_ts' at row 5
Note 1265 Data truncated for column 'insert_ts' at row 6
Note 1265 Data truncated for column 'insert_ts' at row 7
Note 1265 Data truncated for column 'insert_ts' at row 8
Note 1265 Data truncated for column 'insert_ts' at row 9
Note 1265 Data truncated for column 'insert_ts' at row 10
Note 1265 Data truncated for column 'insert_ts' at row 11
Note 1265 Data truncated for column 'insert_ts' at row 12
Note 1265 Data truncated for column 'insert_ts' at row 13
Note 1265 Data truncated for column 'insert_ts' at row 14
Note 1265 Data truncated for column 'insert_ts' at row 15
Note 1265 Data truncated for column 'insert_ts' at row 16
Note 1265 Data truncated for column 'insert_ts' at row 17
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Note 1265 Data truncated for column 'insert_ts' at row 20
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Note 1265 Data truncated for column 'insert_ts' at row 27
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Note 1265 Data truncated for column 'insert_ts' at row 46
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Note 1265 Data truncated for column 'insert_ts' at row 49
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Note 1265 Data truncated for column 'insert_ts' at row 51
Note 1265 Data truncated for column 'insert_ts' at row 52
Note 1265 Data truncated for column 'insert_ts' at row 53
Note 1265 Data truncated for column 'insert_ts' at row 54
Note 1265 Data truncated for column 'insert_ts' at row 55
Note 1265 Data truncated for column 'insert_ts' at row 56
Note 1265 Data truncated for column 'insert_ts' at row 57
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Note 1265 Data truncated for column 'insert_ts' at row 59
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Note 1265 Data truncated for column 'insert_ts' at row 63
Note 1265 Data truncated for column 'insert_ts' at row 64
insert into t2 select t1.file_id, 'JP', 5, now() from t1;
Warnings:
Note 1265 Data truncated for column 'insert_ts' at row 1
Note 1265 Data truncated for column 'insert_ts' at row 2
Note 1265 Data truncated for column 'insert_ts' at row 3
Note 1265 Data truncated for column 'insert_ts' at row 4
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Note 1265 Data truncated for column 'insert_ts' at row 13
Note 1265 Data truncated for column 'insert_ts' at row 14
Note 1265 Data truncated for column 'insert_ts' at row 15
Note 1265 Data truncated for column 'insert_ts' at row 16
Note 1265 Data truncated for column 'insert_ts' at row 17
Note 1265 Data truncated for column 'insert_ts' at row 18
Note 1265 Data truncated for column 'insert_ts' at row 19
Note 1265 Data truncated for column 'insert_ts' at row 20
Note 1265 Data truncated for column 'insert_ts' at row 21
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Note 1265 Data truncated for column 'insert_ts' at row 24
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Note 1265 Data truncated for column 'insert_ts' at row 27
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Note 1265 Data truncated for column 'insert_ts' at row 29
Note 1265 Data truncated for column 'insert_ts' at row 30
Note 1265 Data truncated for column 'insert_ts' at row 31
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Note 1265 Data truncated for column 'insert_ts' at row 33
Note 1265 Data truncated for column 'insert_ts' at row 34
Note 1265 Data truncated for column 'insert_ts' at row 35
Note 1265 Data truncated for column 'insert_ts' at row 36
Note 1265 Data truncated for column 'insert_ts' at row 37
Note 1265 Data truncated for column 'insert_ts' at row 38
Note 1265 Data truncated for column 'insert_ts' at row 39
Note 1265 Data truncated for column 'insert_ts' at row 40
Note 1265 Data truncated for column 'insert_ts' at row 41
Note 1265 Data truncated for column 'insert_ts' at row 42
Note 1265 Data truncated for column 'insert_ts' at row 43
Note 1265 Data truncated for column 'insert_ts' at row 44
Note 1265 Data truncated for column 'insert_ts' at row 45
Note 1265 Data truncated for column 'insert_ts' at row 46
Note 1265 Data truncated for column 'insert_ts' at row 47
Note 1265 Data truncated for column 'insert_ts' at row 48
Note 1265 Data truncated for column 'insert_ts' at row 49
Note 1265 Data truncated for column 'insert_ts' at row 50
Note 1265 Data truncated for column 'insert_ts' at row 51
Note 1265 Data truncated for column 'insert_ts' at row 52
Note 1265 Data truncated for column 'insert_ts' at row 53
Note 1265 Data truncated for column 'insert_ts' at row 54
Note 1265 Data truncated for column 'insert_ts' at row 55
Note 1265 Data truncated for column 'insert_ts' at row 56
Note 1265 Data truncated for column 'insert_ts' at row 57
Note 1265 Data truncated for column 'insert_ts' at row 58
Note 1265 Data truncated for column 'insert_ts' at row 59
Note 1265 Data truncated for column 'insert_ts' at row 60
Note 1265 Data truncated for column 'insert_ts' at row 61
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Note 1265 Data truncated for column 'insert_ts' at row 63
Note 1265 Data truncated for column 'insert_ts' at row 64
insert into t2 select t2.file_id, t2.country, 5, date_sub(t2.insert_ts,interval 1 day) from t2;
insert into t2 select t2.file_id, t2.country, 5, date_sub(t2.insert_ts,interval 2 day) from t2;
insert into t2 select t2.file_id, t2.country, 5, date_sub(t2.insert_ts,interval 4 day) from t2;
insert into t2 select t2.file_id, t2.country, 5, date_sub(t2.insert_ts,interval 8 day) from t2;
insert into t2 select t2.file_id, t2.country, 5, date_sub(t2.insert_ts,interval 16 day) from t2;
explain
select t1.file_id,
t1.file_number,
(select hits from t2 where t2.file_id = t1.file_id and t2.insert_ts = date(date_sub(now(),interval 1 day))) as d
from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL NULL;
2 DEPENDENT SUBQUERY t2 ref PRIMARY,idx2 PRIMARY 11 test.t1.file_id,const NULL; Using where
alter table t2 engine=tokudb;
explain
select t1.file_id,
t1.file_number,
(select hits from t2 where t2.file_id = t1.file_id and t2.insert_ts = date(date_sub(now(),interval 1 day))) as d
from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL NULL;
2 DEPENDENT SUBQUERY t2 ref PRIMARY,idx2 PRIMARY 11 test.t1.file_id,const NULL; Using where
drop table if exists t1, t2;
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