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