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Posted to issues@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2014/11/21 04:14:33 UTC
[jira] [Created] (DRILL-1770) Flatten on top a subquery which
applies flatten over kvgen results in a ClassCastException
Rahul Challapalli created DRILL-1770:
----------------------------------------
Summary: Flatten on top a subquery which applies flatten over kvgen results in a ClassCastException
Key: DRILL-1770
URL: https://issues.apache.org/jira/browse/DRILL-1770
Project: Apache Drill
Issue Type: Bug
Components: Functions - Drill, Storage - JSON
Reporter: Rahul Challapalli
git.commit.id.abbrev=108d29f
Dataset :
{code}
{"map":{"rm": [ {"rptd": [{ "a": "foo"}]}]}}
{code}
Query :
{code}
select flatten(sub.fk.`value`) from (select flatten(kvgen(map)) fk from `nested.json`) sub;
Query failed: Failure while running fragment., org.apache.drill.exec.vector.NullableIntVector cannot be cast to org.apache.drill.exec.vector.RepeatedVector
{code}
Let me know if you need more information.
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