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From "Chun Chang (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (DRILL-1062) DRILL does not handle NULLS FIRST/LAST correctly in ORDER BY clause
Date Wed, 29 Apr 2015 22:15:06 GMT

     [ https://issues.apache.org/jira/browse/DRILL-1062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chun Chang closed DRILL-1062.
-----------------------------
    Assignee: Chun Chang  (was: Daniel Barclay (Drill))

verified
#Generated by Git-Commit-Id-Plugin
#Wed Apr 29 14:39:22 EDT 2015
git.commit.id.abbrev=f5b0f49

There is an existing test case Advanced/Passing/mondrian/query117.q covers this.

> 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
>          Components: Functions - Drill
>            Reporter: Jinfeng Ni
>            Assignee: Chun Chang
>             Fix For: 0.8.0
>
>         Attachments: DRILL-1062.2.patch, DRILL-1062.3.patch.txt, DRILL-1062.4.patch.txt
>
>
> 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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