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https://issues.apache.org/jira/browse/TAJO-1675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14712240#comment-14712240
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ASF GitHub Bot commented on TAJO-1675:
--------------------------------------
Github user jihoonson commented on the pull request:
https://github.com/apache/tajo/pull/653#issuecomment-134777864
@blrunner, thanks for update. I left a comment, but I know that my comment
is not directly related to your patch. You may have two choices. One is
updating the patch to improve the interface design, and the other is booking it
as another issue in Jira. If you choose the second option, it should be
resolved before our upcoming release, I think.
Thanks.
> NPE when selecting data from information_schema.partition_keys
> --------------------------------------------------------------
>
> Key: TAJO-1675
> URL: https://issues.apache.org/jira/browse/TAJO-1675
> Project: Tajo
> Issue Type: Bug
> Components: Catalog
> Reporter: Jihoon Son
> Assignee: Jaehwa Jung
> Fix For: 0.11.0
>
>
> See the title.
> You can reproduce as follows.
> {noformat}
> default> create table partitioned_nation (n_name text, n_comment text)
> partition by column (n_nationkey int8, n_regionkey int8) ;
> OK
> default> insert into partitioned_nation select * from nation;
> default> \d partitioned_nation
> table name: default.partitioned_nation
> table uri: hdfs://localhost:7020/tajo/warehouse/default/partitioned_nation
> store type: CSV
> number of rows: 0
> volume: 0 B
> Options:
> 'text.delimiter'='|'
> schema:
> n_name TEXT
> n_comment TEXT
> Partitions:
> type:COLUMN
> columns::n_nationkey (INT8), n_regionkey (INT8)
> default> \c information_schema
> You are now connected to database "information_schema" as user "jihoonson".
> information_schema> select * from partition_keys;
> partition_id, column_name, partition_value
> -------------------------------
> ERROR: java.lang.NullPointerException
> java.sql.SQLException: java.lang.NullPointerException
> at
> org.apache.tajo.jdbc.TajoResultSetBase.next(TajoResultSetBase.java:717)
> at
> org.apache.tajo.cli.tsql.DefaultTajoCliOutputFormatter.printResult(DefaultTajoCliOutputFormatter.java:105)
> at
> org.apache.tajo.cli.tsql.TajoCli.localQueryCompleted(TajoCli.java:558)
> at org.apache.tajo.cli.tsql.TajoCli.executeQuery(TajoCli.java:532)
> at
> org.apache.tajo.cli.tsql.TajoCli.executeParsedResults(TajoCli.java:447)
> at org.apache.tajo.cli.tsql.TajoCli.runShell(TajoCli.java:419)
> at org.apache.tajo.cli.tsql.TajoCli.main(TajoCli.java:692)
> Caused by: java.io.IOException: java.lang.NullPointerException
> at org.apache.tajo.jdbc.FetchResultSet.nextTuple(FetchResultSet.java:80)
> at
> org.apache.tajo.jdbc.TajoResultSetBase.next(TajoResultSetBase.java:711)
> ... 6 more
> Caused by: com.google.protobuf.ServiceException:
> java.lang.NullPointerException
> at
> org.apache.tajo.client.QueryClientImpl.fetchNextQueryResult(QueryClientImpl.java:360)
> at
> org.apache.tajo.client.TajoClientImpl.fetchNextQueryResult(TajoClientImpl.java:134)
> at org.apache.tajo.jdbc.FetchResultSet.nextTuple(FetchResultSet.java:62)
> ... 7 more
> {noformat}
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