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https://issues.apache.org/jira/browse/DRILL-1062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14214171#comment-14214171
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Jacques Nadeau commented on DRILL-1062:
---------------------------------------
Jinfeng, please review.
> DRILL does not handle NULLS FIRST/LAST correctly in ORDER BY clause
> -------------------------------------------------------------------
>
> Key: DRILL-1062
> URL: https://issues.apache.org/jira/browse/DRILL-1062
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Jinfeng Ni
> Assignee: Jinfeng Ni
> Fix For: 0.7.0
>
> Attachments: DRILL-1062.2.patch
>
>
> ORDER BY clause could specify nulls first or nulls last. Currently, DRILL
> will always use nulls last policy.
> select tbl.topping[3].type from
> dfs.`/Users/jni/work/incubator-drill/exec/ref/target/test-classes/donuts.json`
> as tbl order by 1 nulls last;
> +------------+
> | EXPR$0 |
> +------------+
> | Chocolate |
> | Maple |
> | Powdered Sugar |
> | Powdered Sugar |
> | null |
> +------------+
> 5 rows selected (0.156 seconds)
> 0: jdbc:drill:zk=local> select tbl.topping[3].type from
> dfs.`/Users/jni/work/incubator-drill/exec/ref/target/test-classes/donuts.json`
> as tbl order by 1 nulls first;
> +------------+
> | EXPR$0 |
> +------------+
> | Chocolate |
> | Maple |
> | Powdered Sugar |
> | Powdered Sugar |
> | null |
> +------------+
> 5 rows selected (0.186 seconds)
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