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https://issues.apache.org/jira/browse/KUDU-1493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15347840#comment-15347840
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Andy Grove commented on KUDU-1493:
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I take back my comment about column projection ... I was looking too hard to 
try and find something incorrect but the code is correct after all.

> Spark read fails if key columns are not leading columns
> -------------------------------------------------------
>
>                 Key: KUDU-1493
>                 URL: https://issues.apache.org/jira/browse/KUDU-1493
>             Project: Kudu
>          Issue Type: Bug
>          Components: spark
>    Affects Versions: 0.9.0
>            Reporter: Tom White
>            Assignee: Andy Grove
>
> If the Spark dataframe schema is (A, B, C) then reading will fail if the Kudu 
> keys are (A, C). Keys (A, B) work fine.



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