| SET hive.vectorized.execution.enabled=false; |
| set hive.strict.checks.bucketing=false; |
| |
| set hive.mapred.mode=nonstrict; |
| CREATE TABLE srcbucket_mapjoin_part_n4 (key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 2 BUCKETS STORED AS TEXTFILE; |
| load data local inpath '../../data/files/bmj2/000000_0' INTO TABLE srcbucket_mapjoin_part_n4 partition(ds='2008-04-08'); |
| load data local inpath '../../data/files/bmj2/000001_0' INTO TABLE srcbucket_mapjoin_part_n4 partition(ds='2008-04-08'); |
| |
| CREATE TABLE srcbucket_mapjoin_part_2_n3 (key int, value string) partitioned by (ds string) CLUSTERED BY (key) INTO 4 BUCKETS STORED AS TEXTFILE; |
| load data local inpath '../../data/files/bmj/000000_0' INTO TABLE srcbucket_mapjoin_part_2_n3 partition(ds='2008-04-08'); |
| load data local inpath '../../data/files/bmj/000001_0' INTO TABLE srcbucket_mapjoin_part_2_n3 partition(ds='2008-04-08'); |
| load data local inpath '../../data/files/bmj/000002_0' INTO TABLE srcbucket_mapjoin_part_2_n3 partition(ds='2008-04-08'); |
| load data local inpath '../../data/files/bmj/000003_0' INTO TABLE srcbucket_mapjoin_part_2_n3 partition(ds='2008-04-08'); |
| |
| create table bucketmapjoin_hash_result_1_n1 (key bigint , value1 bigint, value2 bigint); |
| create table bucketmapjoin_hash_result_2_n1 (key bigint , value1 bigint, value2 bigint); |
| |
| set hive.auto.convert.join = true; |
| |
| set hive.optimize.bucketmapjoin = true; |
| |
| create table bucketmapjoin_tmp_result_n1 (key string , value1 string, value2 string); |
| |
| explain extended |
| insert overwrite table bucketmapjoin_tmp_result_n1 |
| select a.key, a.value, b.value |
| from srcbucket_mapjoin_part_n4 a join srcbucket_mapjoin_part_2_n3 b |
| on a.key=b.key and b.ds="2008-04-08"; |
| |
| insert overwrite table bucketmapjoin_tmp_result_n1 |
| select a.key, a.value, b.value |
| from srcbucket_mapjoin_part_n4 a join srcbucket_mapjoin_part_2_n3 b |
| on a.key=b.key and b.ds="2008-04-08"; |
| |
| select count(1) from bucketmapjoin_tmp_result_n1; |
| insert overwrite table bucketmapjoin_hash_result_1_n1 |
| select sum(hash(key)), sum(hash(value1)), sum(hash(value2)) from bucketmapjoin_tmp_result_n1; |
| |
| set hive.optimize.bucketmapjoin = false; |
| |
| explain extended |
| insert overwrite table bucketmapjoin_tmp_result_n1 |
| select a.key, a.value, b.value |
| from srcbucket_mapjoin_part_n4 a join srcbucket_mapjoin_part_2_n3 b |
| on a.key=b.key and b.ds="2008-04-08"; |
| |
| insert overwrite table bucketmapjoin_tmp_result_n1 |
| select a.key, a.value, b.value |
| from srcbucket_mapjoin_part_n4 a join srcbucket_mapjoin_part_2_n3 b |
| on a.key=b.key and b.ds="2008-04-08"; |
| |
| select count(1) from bucketmapjoin_tmp_result_n1; |
| insert overwrite table bucketmapjoin_hash_result_1_n1 |
| select sum(hash(key)), sum(hash(value1)), sum(hash(value2)) from bucketmapjoin_tmp_result_n1; |
| |