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https://issues.apache.org/jira/browse/DRILL-3199?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Burgess updated DRILL-3199:
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Attachment: DRILL-3199.patch.2
> GenericAccessor doesn't support isNull
> --------------------------------------
>
> Key: DRILL-3199
> URL: https://issues.apache.org/jira/browse/DRILL-3199
> Project: Apache Drill
> Issue Type: Bug
> Components: Client - JDBC
> Environment: I found this problem when calling the driver's wasNull()
> method on a field that represented a nested JSON object (one level below the
> root object), using the 'dfs' storage plugin and pointing at my local
> filesystem.
> Reporter: Matt Burgess
> Assignee: Daniel Barclay (Drill)
> Attachments: DRILL-3199.patch.1, DRILL-3199.patch.2
>
>
> GenericAccessor throws an UnsupportedOperationException when isNull() is
> called. However for other methods it delegates to its ValueVector's accessor.
> I think it should do the same for isNull().
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