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

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

     [ https://issues.apache.org/jira/browse/HIVE-15399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pengcheng Xiong updated HIVE-15399:
-----------------------------------
    Status: Patch Available  (was: Open)

[~ashutoshc] ,could u take a look? Thanks.

> 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
>         Attachments: HIVE-15399.01.patch
>
>
> 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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