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Posted to dev@hive.apache.org by "Aihua Xu (JIRA)" <ji...@apache.org> on 2015/05/27 20:30:17 UTC
[jira] [Created] (HIVE-10834) Support First_value()/last_value()
over x preceding and y preceding windowing
Aihua Xu created HIVE-10834:
-------------------------------
Summary: Support First_value()/last_value() over x preceding and y preceding windowing
Key: HIVE-10834
URL: https://issues.apache.org/jira/browse/HIVE-10834
Project: Hive
Issue Type: Sub-task
Components: PTF-Windowing
Reporter: Aihua Xu
Assignee: Aihua Xu
Currently the following query
{noformat}
select ts, f, first_value(f) over (partition by ts order by t rows between 2 preceding and 1 preceding) from over10k limit 100;
{noformat}
throws exception:
{noformat}
java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row (tag=0) {"key":{"reducesinkkey0":"2013-03-01 09:11:58.703071","reducesinkkey1":-3},"value":{"_col3":0.83}}
at org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:256)
at org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:506)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:447)
at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:449)
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row (tag=0) {"key":{"reducesinkkey0":"2013-03-01 09:11:58.703071","reducesinkkey1":-3},"value":{"_col3":0.83}}
at org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:244)
... 3 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Internal Error: cannot generate all output rows for a Partition
at org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.finishPartition(WindowingTableFunction.java:519)
at org.apache.hadoop.hive.ql.exec.PTFOperator$PTFInvocation.finishPartition(PTFOperator.java:337)
at org.apache.hadoop.hive.ql.exec.PTFOperator.process(PTFOperator.java:114)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:837)
at org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:88)
at org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:235)
{noformat}
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