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Posted to issues@drill.apache.org by "Victoria Markman (JIRA)" <ji...@apache.org> on 2015/01/21 21:33:34 UTC
[jira] [Created] (DRILL-2051) NPE when querying view with where
clause and derived table
Victoria Markman created DRILL-2051:
---------------------------------------
Summary: 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
Assignee: Jinfeng Ni
{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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