blob: 9dee4110f59916795311bbbf8c694a2f4d70bf3d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
create table smb_bucket_1(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS STORED AS RCFILE;
create table smb_bucket_2(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS STORED AS RCFILE;
create table smb_bucket_3(key int, value string) CLUSTERED BY (key) SORTED BY (key) INTO 1 BUCKETS STORED AS RCFILE;
load data local inpath '../../data/files/smbbucket_1.rc' overwrite into table smb_bucket_1;
load data local inpath '../../data/files/smbbucket_2.rc' overwrite into table smb_bucket_2;
load data local inpath '../../data/files/smbbucket_3.rc' overwrite into table smb_bucket_3;
set hive.optimize.bucketmapjoin = true;
set hive.optimize.bucketmapjoin.sortedmerge = true;
set hive.input.format = org.apache.hadoop.hive.ql.io.BucketizedHiveInputFormat;
explain
select /*+mapjoin(a)*/ * from smb_bucket_1 a join smb_bucket_2 b on a.key = b.key;
select /*+mapjoin(a)*/ * from smb_bucket_1 a join smb_bucket_2 b on a.key = b.key;
explain
select /*+mapjoin(a)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key;
select /*+mapjoin(a)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key;
explain
select /*+mapjoin(a)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key;
select /*+mapjoin(a)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key;
explain
select /*+mapjoin(a)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key;
select /*+mapjoin(a)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key;
explain
select /*+mapjoin(b)*/ * from smb_bucket_1 a join smb_bucket_2 b on a.key = b.key;
select /*+mapjoin(b)*/ * from smb_bucket_1 a join smb_bucket_2 b on a.key = b.key;
explain
select /*+mapjoin(b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key;
select /*+mapjoin(b)*/ * from smb_bucket_1 a left outer join smb_bucket_2 b on a.key = b.key;
explain
select /*+mapjoin(b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key;
select /*+mapjoin(b)*/ * from smb_bucket_1 a right outer join smb_bucket_2 b on a.key = b.key;
explain
select /*+mapjoin(b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key;
select /*+mapjoin(b)*/ * from smb_bucket_1 a full outer join smb_bucket_2 b on a.key = b.key;
|
