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Posted to dev@hive.apache.org by "Deepak Jaiswal (JIRA)" <ji...@apache.org> on 2017/10/12 20:05:00 UTC

[jira] [Created] (HIVE-17792) Enable Bucket Map Join when there are extra keys other than bucketed columns

Deepak Jaiswal created HIVE-17792:
-------------------------------------

             Summary: Enable Bucket Map Join when there are extra keys other than bucketed columns
                 Key: HIVE-17792
                 URL: https://issues.apache.org/jira/browse/HIVE-17792
             Project: Hive
          Issue Type: Bug
            Reporter: Deepak Jaiswal
            Assignee: Deepak Jaiswal


Currently this wont go through Bucket Map Join(BMJ)

CREATE TABLE tab_part (key int, value string) PARTITIONED BY(ds STRING) CLUSTERED BY (key) INTO 4 BUCKETS STORED AS TEXTFILE;
CREATE TABLE tab(key int, value string) PARTITIONED BY(ds STRING) STORED AS TEXTFILE;

select a.key, a.value, b.value
from tab a join tab_part b on a.key = b.key and a.value = b.value;



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