Krisztian Kasa created HIVE-22240:
-------------------------------------
Summary: Function percentile_cont fails when array parameter passed
Key: HIVE-22240
URL: https://issues.apache.org/jira/browse/HIVE-22240
Project: Hive
Issue Type: Bug
Reporter: Krisztian Kasa
Assignee: Krisztian Kasa
Fix For: 4.0.0
{code}
SELECT
percentile_cont(array(0.2, 0.5, 0.9)) WITHIN GROUP (ORDER BY value)
FROM t_test;
{code}
hive.log:
{code}
2019-09-24T21:00:43,203 ERROR [LocalJobRunner Map Task Executor #0]
mr.ExecMapper: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime
Error while processing row
at
org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:573)
at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:148)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
at
org.apache.hadoop.hive.ql.exec.mr.ExecMapRunner.run(ExecMapRunner.java:37)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:465)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:349)
at
org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:271)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
java.lang.ClassCastException: java.util.ArrayList cannot be cast to
org.apache.hadoop.hive.serde2.io.HiveDecimalWritable
at
org.apache.hadoop.hive.ql.exec.GroupByOperator.process(GroupByOperator.java:793)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:888)
at
org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:95)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:888)
at
org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:128)
at
org.apache.hadoop.hive.ql.exec.MapOperator$MapOpCtx.forward(MapOperator.java:152)
at
org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:552)
... 11 more
Caused by: java.lang.ClassCastException: java.util.ArrayList cannot be cast to
org.apache.hadoop.hive.serde2.io.HiveDecimalWritable
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFPercentileCont$PercentileContEvaluator.iterate(GenericUDAFPercentileCont.java:259)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(GenericUDAFEvaluator.java:214)
at
org.apache.hadoop.hive.ql.exec.GroupByOperator.updateAggregations(GroupByOperator.java:639)
at
org.apache.hadoop.hive.ql.exec.GroupByOperator.processHashAggr(GroupByOperator.java:814)
at
org.apache.hadoop.hive.ql.exec.GroupByOperator.processKey(GroupByOperator.java:720)
at
org.apache.hadoop.hive.ql.exec.GroupByOperator.process(GroupByOperator.java:788)
... 17 more
{code}
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