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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2015/01/17 03:59:34 UTC
[jira] [Updated] (DRILL-1062) DRILL does not handle NULLS
FIRST/LAST correctly in ORDER BY clause
[ https://issues.apache.org/jira/browse/DRILL-1062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jacques Nadeau updated DRILL-1062:
----------------------------------
Assignee: Jinfeng Ni (was: Steven Phillips)
> 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: 0.8.0
>
> 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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