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https://issues.apache.org/jira/browse/HIVE-10985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15002859#comment-15002859
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Aihua Xu commented on HIVE-10985:
---------------------------------
Yeah. It should be backported to branch-1.
> Value based windowing on timestamp and double can't handle NULL value
> ---------------------------------------------------------------------
>
> Key: HIVE-10985
> URL: https://issues.apache.org/jira/browse/HIVE-10985
> Project: Hive
> Issue Type: Sub-task
> Components: PTF-Windowing
> Affects Versions: 2.0.0
> Reporter: Aihua Xu
> Assignee: Aihua Xu
> Fix For: 2.0.0
>
> Attachments: hive-10985.patch
>
>
> When some timestamp fields are null, NPE are thrown.
> {noformat}
> 2015-06-11 16:11:57,348 FATAL [Thread-80]: ExecReducer
> (ExecReducer.java:reduce(255)) -
> org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
> processing row (tag=0)
> {"key":{"reducesinkkey0":20,"reducesinkkey1":"1980-12-17
> 00:00:00"},"value":{"_col0":7369,"_col5":800.0}}
> at
> org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:244)
> at
> org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:506)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:447)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:449)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorUtils.getLong(PrimitiveObjectInspectorUtils.java:714)
> at
> org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction$LongValueBoundaryScanner.isGreater(WindowingTableFunction.java:1166)
> at
> org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction$ValueBoundaryScanner.computeStartPreceding(WindowingTableFunction.java:877)
> at
> org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction$ValueBoundaryScanner.computeStart(WindowingTableFunction.java:827)
> at
> org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.getRange(WindowingTableFunction.java:700)
> at
> org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.access$100(WindowingTableFunction.java:67)
> at
> org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction$WindowingIterator.next(WindowingTableFunction.java:1393)
> at
> org.apache.hadoop.hive.ql.exec.PTFOperator$PTFInvocation.finishPartition(PTFOperator.java:365)
> at
> org.apache.hadoop.hive.ql.exec.PTFOperator.process(PTFOperator.java:114)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:837)
> at
> org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:88)
> at
> org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:235)
> ... 3 more
> {noformat}
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