[HIVE-18944] Groupping sets position is set incorrectly during DPP

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0
• Assignee: Zoltan Haindrich
• Reporter: Zoltan Haindrich
• Created: 13/Mar/18 12:54
• Updated: 22/May/18 23:16
• Resolved: 14/Mar/18 05:59

Description

groupingSetsPosition is set to -1 in case there are no grouping sets; however DPP calls the constructor with 0

this could potentially trigger an unwanted emittion of a summary row

2018-03-13T05:58:16,226 ERROR [TezTR-881987_1_5_1_1_0] tez.TezProcessor: java.lang.RuntimeException: Hive Runtime Error while closing operators: 0
        at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(ReduceRecordProcessor.java:407)
        at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:284)
        at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:250)
        at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:374)
        at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:73)
        at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:61)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1962)
        at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:61)
        at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:37)
        at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
        at org.apache.hadoop.hive.llap.daemon.impl.StatsRecordingThreadPool$WrappedCallable.call(StatsRecordingThreadPool.java:110)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
        at org.apache.hadoop.hive.ql.exec.vector.VectorHashKeyWrapperBatch.setLongValue(VectorHashKeyWrapperBatch.java:994)
        at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator$ProcessingModeHashAggregate.close(VectorGroupByOperator.java:461)
        at org.apache.hadoop.hive.ql.exec.vector.VectorGroupByOperator.closeOp(VectorGroupByOperator.java:1179)
        at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:722)
        at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:746)
        at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:746)
        at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.close(ReduceRecordProcessor.java:383)