[jira] [Commented] (DRILL-3199) GenericAccessor doesn't support isNull

["Matt Burgess (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-3199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14563863#comment-14563863 ] 

Matt Burgess commented on DRILL-3199:
-------------------------------------

https://reviews.apache.org/r/34749/

> 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
>
>
> 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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