[jira] [Resolved] (TAJO-680) Improve the IN operator to support sub queries

["Jihoon Son (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TAJO-680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jihoon Son resolved TAJO-680.
-----------------------------
    Resolution: Fixed

Committed to master.

> Improve the IN operator to support sub queries
> ----------------------------------------------
>
>                 Key: TAJO-680
>                 URL: https://issues.apache.org/jira/browse/TAJO-680
>             Project: Tajo
>          Issue Type: Improvement
>          Components: distributed query plan, SQL Parser
>            Reporter: Jihoon Son
>            Assignee: Jihoon Son
>             Fix For: 0.11.0
>
>         Attachments: Distributed plan.png, Logical plan.png
>
>
> Currently, the IN operator can be used with only sets of values.
> We need to improve it to support sub queries as the following example query.
> {noformat}
> tajo> select * from nation where n_regionkey in (select r_regionkey from region); 
> {noformat}



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