[jira] [Updated] (DRILL-2834) Applying multiple flattens after a join results in an NPE

["Rahul Challapalli (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-2834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rahul Challapalli updated DRILL-2834:
-------------------------------------
    Attachment: data.json
                error.log

> Applying multiple flattens after a join results in an NPE
> ---------------------------------------------------------
>
>                 Key: DRILL-2834
>                 URL: https://issues.apache.org/jira/browse/DRILL-2834
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Relational Operators
>            Reporter: Rahul Challapalli
>            Assignee: Chris Westin
>         Attachments: data.json, error.log
>
>
> git.commit.id.abbrev=5cd36c5
> The below query fails :
> {code}
> select flatten(t1.lst_lst), flatten(t1.events) from `data.json` t1 inner join `data.json` t2 on t1.uid = t2.uid;
> Query failed: SYSTEM ERROR: null
> Fragment 0:0
> [a27e431d-a598-4ec6-86b8-eb91d5d54161 on qa-node190.qa.lab:31010]
> {code}
> However if we only apply a single flatten things work as expected.
> I attached the error logs and the data file. Let me know if you need anything more



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