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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (TAJO-232) Rename join operators and add other join operators to PhysicalPlanner
Date Mon, 07 Oct 2013 06:37:41 GMT

     [ https://issues.apache.org/jira/browse/TAJO-232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hyunsik Choi updated TAJO-232:
------------------------------

    Status: Patch Available  (was: Open)

> Rename join operators and add other join operators to PhysicalPlanner
> ---------------------------------------------------------------------
>
>                 Key: TAJO-232
>                 URL: https://issues.apache.org/jira/browse/TAJO-232
>             Project: Tajo
>          Issue Type: Improvement
>          Components: physical operator
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>             Fix For: 0.2-incubating
>
>         Attachments: TAJO-232.patch
>
>
> The current physical operators for join have different naming rules as follows:
>  * LeftOuterHashJoin, FullOuterHashJoin, ...
>  * HashSemiJoin, HashAntiJoin
> This patch renames join operators with consistency as follows: 
>  * {Algorithm}{Join Type} Join
> For example, outer joins will have the following names:
>  * HashLeftOuterJoin
>  * MergeRightOuterJoin
>  * HashFullOuterJoin
> This patch adds other join algorithms (left semi/anti hash join) to physical operators
and adds In-subquery clause and exists predicate to Tajo algebra.



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