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https://issues.apache.org/jira/browse/HIVE-4119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13611515#comment-13611515
]
Shreepadma Venugopalan commented on HIVE-4119:
----------------------------------------------
New patch addresses the review comments. Thanks.
> ANALYZE TABLE ... COMPUTE STATISTICS FOR COLUMNS fails with NPE if the table
> is empty
> -------------------------------------------------------------------------------------
>
> Key: HIVE-4119
> URL: https://issues.apache.org/jira/browse/HIVE-4119
> Project: Hive
> Issue Type: Bug
> Components: Statistics
> Affects Versions: 0.10.0
> Reporter: Lenni Kuff
> Assignee: Shreepadma Venugopalan
> Priority: Critical
> Attachments: HIVE-4119.1.patch, HIVE-4119.2.patch
>
>
> ANALYZE TABLE ... COMPUTE STATISTICS FOR COLUMNS fails with NPE if the table
> is empty
> {code}
> hive -e "create table empty_table (i int); select compute_stats(i, 16) from
> empty_table"
> java.lang.NullPointerException
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableIntObjectInspector.get(WritableIntObjectInspector.java:35)
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorUtils.getInt(PrimitiveObjectInspectorUtils.java:535)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFComputeStats$GenericUDAFLongStatsEvaluator.iterate(GenericUDAFComputeStats.java:477)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(GenericUDAFEvaluator.java:139)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1099)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:558)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:567)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:567)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:567)
> at org.apache.hadoop.hive.ql.exec.ExecMapper.close(ExecMapper.java:193)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:428)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:231)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> org.apache.hadoop.hive.ql.metadata.HiveException:
> java.lang.NullPointerException
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1132)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:558)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:567)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:567)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:567)
> at org.apache.hadoop.hive.ql.exec.ExecMapper.close(ExecMapper.java:193)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:428)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:231)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableIntObjectInspector.get(WritableIntObjectInspector.java:35)
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorUtils.getInt(PrimitiveObjectInspectorUtils.java:535)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFComputeStats$GenericUDAFLongStatsEvaluator.iterate(GenericUDAFComputeStats.java:477)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(GenericUDAFEvaluator.java:139)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1099)
> ... 15 more
> org.apache.hadoop.hive.ql.metadata.HiveException:
> java.lang.NullPointerException
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1132)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:558)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:567)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:567)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:567)
> at org.apache.hadoop.hive.ql.exec.ExecMapper.close(ExecMapper.java:193)
> at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:61)
> at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:428)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:231)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableIntObjectInspector.get(WritableIntObjectInspector.java:35)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:231)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableIntObjectInspector.get(WritableIntObjectInspector.java:35)
> at
> org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorUtils.getInt(PrimitiveObjectInspectorUtils.java:535)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFComputeStats$GenericUDAFLongStatsEvaluator.iterate(GenericUDAFComputeStats.java:477)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(GenericUDAFEvaluator.java:139)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1099)
> ... 15 more
> {code}
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