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https://issues.apache.org/jira/browse/DRILL-2765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14493837#comment-14493837
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Steven Phillips commented on DRILL-2765:
----------------------------------------
This seems to already be fixed:
{code}
0: jdbc:drill:> select * from
dfs.`/tmp/nulls/url_column_completely_null.parquet`;
+------------+------------+
| date | url |
+------------+------------+
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
| 14 april 2015 | null |
+------------+------------+
{code}
When I checkout 0.8 and run again, I hit the NPE:
{code}
0: jdbc:drill:> select * from
dfs.`/tmp/nulls/url_column_completely_null.parquet`;
Query failed: NullPointerException:
Error: exception while executing query: Failure while executing query.
(state=,code=0)
{code}
> Throwing a NPE on exceuting query against parquet files
> --------------------------------------------------------
>
> Key: DRILL-2765
> URL: https://issues.apache.org/jira/browse/DRILL-2765
> Project: Apache Drill
> Issue Type: Sub-task
> Components: Storage - Parquet
> Affects Versions: 0.8.0
> Reporter: Mohsen Zainalpour
> Assignee: Steven Phillips
> Fix For: 1.0.0
>
> Attachments: url_column_completely_null.parquet,
> url_column_onetime_value.parquet
>
>
> Executing a query on a parquet file that one of it`s columns haven`t any
> value at all(but field exists in the schema) thorws a NPE
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