Rahul Challapalli created DRILL-2834:
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Summary: 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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