Rahul Challapalli created DRILL-2217:
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Summary: Trying to flatten an empty list should return a
"Functionality not supported" message
Key: DRILL-2217
URL: https://issues.apache.org/jira/browse/DRILL-2217
Project: Apache Drill
Issue Type: Bug
Components: Functions - Drill
Reporter: Rahul Challapalli
Assignee: Daniel Barclay (Drill/MapR)
Priority: Minor
git.commit.id.abbrev=3d863b5
Data Set :
{code}
{"empty":[[],[[]]]}
{code}
Query :
{code}
select flatten(empty) from `data1.json`;
Query failed: RemoteRpcException: Failure while running fragment.[
1b3123d9-92bc-45d5-bef8-b5f1be9def07 on qa-node191.qa.lab:31010 ]
[ 1b3123d9-92bc-45d5-bef8-b5f1be9def07 on qa-node191.qa.lab:31010 ]
{code}
This error currently does not indicate as to why the query failed. We should
mention that it is not supported.
I also attached the error from the logs
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