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https://issues.apache.org/jira/browse/DRILL-2051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Victoria Markman resolved DRILL-2051.
-------------------------------------
Resolution: Fixed
> NPE when querying view with where clause and derived table
> ----------------------------------------------------------
>
> Key: DRILL-2051
> URL: https://issues.apache.org/jira/browse/DRILL-2051
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 0.8.0
> Reporter: Victoria Markman
> Fix For: Future
>
> Attachments: drill-2051.log
>
>
> {code}
> #Wed Jan 21 12:38:45 EST 2015
> git.commit.id.abbrev=8d1e1af
> {code}
> `customer.json`
> {code}
> { "CustomerId": "100", "cityId": 10 }
> { "CustomerId": "101", "cityId": 10 }
> { "CustomerId": "102", "cityId": 10 }
> { "CustomerId": "103", "cityId": 20 }
> { "CustomerId": "104", "cityId": 30 }
> { "CustomerId": "105", "cityId": null }
> { "CustomerId": null, "cityId": 50 }
> {code}
> {code}
> 0: jdbc:drill:schema=dfs> create view v3 as select * from ( select * from
> `customer.json` ) where customerid >= 100;
> +------------+------------+
> | ok | summary |
> +------------+------------+
> | true | View 'v3' created successfully in 'dfs.identifiers' schema |
> +------------+------------+
> 1 row selected (0.063 seconds)
> 0: jdbc:drill:schema=dfs> select * from v3;
> Query failed: NullPointerException:
> Error: exception while executing query: Failure while executing query.
> (state=,code=0)
> {code}
> Query by itself works fine:
> {code}
> 0: jdbc:drill:schema=dfs> select * from ( select * from `customer.json` )
> where CustomerId >= 100;
> +------------+------------+
> | CustomerId | cityId |
> +------------+------------+
> | 100 | 10 |
> | 101 | 10 |
> | 102 | 10 |
> | 103 | 20 |
> | 104 | 30 |
> | 105 | null |
> +------------+------------+
> 6 rows selected (0.117 seconds)
> {code}
> If you remove where clause and leave just derived table in the view creation,
> you can query the view as well.
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