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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-11845) Bucket map join requires exact number of files as number of buckets
Date Wed, 16 Sep 2015 17:21:45 GMT
Prasanth Jayachandran created HIVE-11845:
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             Summary: Bucket map join requires exact number of files as number of buckets
                 Key: HIVE-11845
                 URL: https://issues.apache.org/jira/browse/HIVE-11845
             Project: Hive
          Issue Type: Bug
    Affects Versions: 1.3.0, 2.0.0
            Reporter: Prasanth Jayachandran
            Assignee: Vikram Dixit K


I recently tried to write a test case for bucket map join in tez on ACID table but was unable
to do so because bucket map join expects same number of files in table/partition as that of
number of buckets. 

Steps to reproduce:
create table src_acid(key string, value string) clustered by (key) into 4 buckets stored as
orc tblproperties("transactional"="true");
insert into table src_acid values("key1","value1");
insert into table src_acid values("key2","value2");

After inserting 2 rows into the src_acid table, there will be total of 8 files in the table
directory which does not match the number of buckets.



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