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https://issues.apache.org/jira/browse/HIVE-22240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Work on HIVE-22240 started by Krisztian Kasa.
---------------------------------------------
> 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
> Priority: Major
> 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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