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From "Sean Hsuan-Yi Chu (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DRILL-2095) Order by on a repeated index inside a sub query results in an NPE
Date Thu, 02 Jul 2015 20:57:05 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Hsuan-Yi Chu resolved DRILL-2095.
--------------------------------------
    Resolution: Fixed

> Order by on a repeated index inside a sub query results in an NPE
> -----------------------------------------------------------------
>
>                 Key: DRILL-2095
>                 URL: https://issues.apache.org/jira/browse/DRILL-2095
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Rahul Challapalli
>            Assignee: Sean Hsuan-Yi Chu
>             Fix For: 1.2.0
>
>
> git.commit.id.abbrev=3e33880
> Data Set :
> {code}
> {
>   "id" : 1,
>   "list" : [1,2]
> }
> {code}
> The below query succeeds
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDir> select d.id id from `data.json` d order by
d.list[0];
> +------------+
> |     id     |
> +------------+
> | 1          |
> +------------+
> 1 row selected (0.12 seconds)
> {code}
> However when we use the same query inside a sub-query we get an NPE
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDir> select s.id from (select d.id id from `data.json`
d order by d.list[0]) s;
> Query failed: NullPointerException: 
> Error: exception while executing query: Failure while executing query. (state=,code=0)
> {code}
> Explain plan also results in the same NPE for the above query



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