wenjun ma created HIVE-25298: -------------------------------- Summary: LAG function get java.lang.ClassCastException: org.apache.hadoop.hive.common.type.HiveDecimal cannot be cast to org.apache.hadoop.hive.serde2.io.HiveDecimalWritable Key: HIVE-25298 URL: https://issues.apache.org/jira/browse/HIVE-25298 Project: Hive Issue Type: Bug Components: Hive Affects Versions: 3.1.2 Environment: Hive 3.1 Reporter: wenjun ma
When we try to apply the LAG function with aggregation function (MAX), we got ava.lang.ClassCastException: org.apache.hadoop.hive.common.type.HiveDecimal cannot be cast to org.apache.hadoop.hive.serde2.io.HiveDecimalWritable. reproduce steps: # create table: create table tbl1 (ACCT_NM string, ACCT_BAL decimal(15,2)) partitioned by (DL_DATA_DT string) # insert sample data:insert into tbl1 values ('acct1', 1000.00, '2020-01-01'); insert into tbl1 values ('acct1', 800.00, '2020-01-02'); ## Run folowing SQL: {code:java} select test.ACCT_NM, test.DL_DATA_DT, test.MAX_ACCT_BAL, LAG(test.MAX_ACCT_BAL,1,0) OVER (PARTITION BY test.ACCT_NM ORDER BY test.DL_DATA_DT) AS PREV_USED_AMT from ( select tbl1.ACCT_NM as ACCT_NM, tbl1.DL_DATA_DT as DL_DATA_DT, max(tbl1.ACCT_BAL) as MAX_ACCT_BAL from tbl1 group by tbl1.ACCT_NM, tbl1.DL_DATA_DT ) test; {code} Full Stack: ERROR : FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.tez.TezTask. Vertex failed, vertexName=Reducer 2, vertexId=vertex_1624984332939_0003_5_01, diagnostics=[Task failed, taskId=task_1624984332939_0003_5_01_000021, diagnostics=[TaskAttempt 0 failed, info=[Error: Error while running task ( failure ) : attempt_1624984332939_0003_5_01_000021_0:java.lang.RuntimeException: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:296) 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$1.run(TaskRunner2Callable.java:61) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730) at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:61) at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:37) at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36) at org.apache.hadoop.hive.llap.daemon.impl.StatsRecordingThreadPool$WrappedCallable.call(StatsRecordingThreadPool.java:118) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.pushRecord(ReduceRecordSource.java:304) at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordProcessor.run(ReduceRecordProcessor.java:318) at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:267) ... 15 more Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource$GroupIterator.next(ReduceRecordSource.java:378) at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource.pushRecord(ReduceRecordSource.java:294) ... 17 more Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.ClassCastException: org.apache.hadoop.hive.common.type.HiveDecimal cannot be cast to org.apache.hadoop.hive.serde2.io.HiveDecimalWritable at org.apache.hadoop.hive.ql.exec.GroupByOperator.process(GroupByOperator.java:795) at org.apache.hadoop.hive.ql.exec.tez.ReduceRecordSource$GroupIterator.next(ReduceRecordSource.java:363) ... 18 more Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.common.type.HiveDecimal cannot be cast to org.apache.hadoop.hive.serde2.io.HiveDecimalWritable at org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableHiveDecimalObjectInspector.copyObject(WritableHiveDecimalObjectInspector.java:54) at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.copyToStandardObject(ObjectInspectorUtils.java:432) at org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.copyToStandardObject(ObjectInspectorUtils.java:372) at org.apache.hadoop.hive.ql.udf.generic.GenericUDAFLeadLag$GenericUDAFLeadLagEvaluator.iterate(GenericUDAFLeadLag.java:156) at org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(GenericUDAFEvaluator.java:214) at org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.processRow(WindowingTableFunction.java:407) at org.apache.hadoop.hive.ql.exec.PTFOperator$PTFInvocation.processRow(PTFOperator.java:325) at org.apache.hadoop.hive.ql.exec.PTFOperator.process(PTFOperator.java:139) at org.apache.hadoop.hive.ql.exec.Operator.baseForward(Operator.java:994) at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:940) at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:927) at org.apache.hadoop.hive.ql.exec.GroupByOperator.forward(GroupByOperator.java:1050) at org.apache.hadoop.hive.ql.exec.GroupByOperator.processAggr(GroupByOperator.java:850) at org.apache.hadoop.hive.ql.exec.GroupByOperator.processKey(GroupByOperator.java:724) at org.apache.hadoop.hive.ql.exec.GroupByOperator.process(GroupByOperator.java:790) ... 19 more -- This message was sent by Atlassian Jira (v8.3.4#803005)