[jira] [Created] (HIVE-15399) Parser change for UniqueJoin

["Pengcheng Xiong (JIRA)" <ji...@apache.org>]

Pengcheng Xiong created HIVE-15399:
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             Summary: Parser change for UniqueJoin
                 Key: HIVE-15399
                 URL: https://issues.apache.org/jira/browse/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
{code}
partitionedTableFunction | tableSource | subQuerySource | virtualTableSource
{code}
I think it would be better to change the parser and limit it to meet the user's real requirement.



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