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Posted to issues@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2015/10/09 19:30:05 UTC
[jira] [Closed] (DRILL-2834) Applying multiple flattens after a
join results in an NPE
[ https://issues.apache.org/jira/browse/DRILL-2834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rahul Challapalli closed DRILL-2834.
------------------------------------
Verified that the issue no longer happens with the commit id : 64bf5c8e687c8ce6684870c831634e2441787117
Also added a test case to the publicly available drill test framework
> 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
> Fix For: Future
>
> 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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