[jira] [Created] (HIVE-10985) Value based windowing on timestamp can't handle NULL value

["Aihua Xu (JIRA)" <ji...@apache.org>]

Aihua Xu created HIVE-10985:
-------------------------------

             Summary: Value based windowing on timestamp 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


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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