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From "Pengcheng Xiong (JIRA)" <>
Subject [jira] [Created] (HIVE-15399) Parser change for UniqueJoin
Date Fri, 09 Dec 2016 00:37:58 GMT
Pengcheng Xiong created HIVE-15399:

             Summary: Parser change for UniqueJoin
                 Key: HIVE-15399
             Project: Hive
          Issue Type: Bug
            Reporter: Pengcheng Xiong
            Assignee: Pengcheng Xiong

UniqueJoin was introduced in HIVE-591. Add Unique Join. (Emil Ibrishimov via namit). It sounds
like that there is only one q test for unique join, i.e., uniquejoin.q. In the q test, unique
join source can only come from a table. However, in parser, its source can come from not only
tableSource, but also
partitionedTableFunction | tableSource | subQuerySource | virtualTableSource
I think it would be better to change the parser and limit it to meet the user's real requirement.

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