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https://issues.apache.org/jira/browse/DRILL-1770?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Altekruse updated DRILL-1770:
-----------------------------------
Attachment: DRILL_1770.patch
> 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
> Attachments: DRILL_1770.patch
>
>
> 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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