Aihua Xu created HIVE-10826:
-------------------------------
Summary: Support min()/max() functions over x preceding and y
preceding windowing
Key: HIVE-10826
URL: https://issues.apache.org/jira/browse/HIVE-10826
Project: Hive
Issue Type: Sub-task
Reporter: Aihua Xu
Assignee: Aihua Xu
Currently the query
{noformat}
select key, value, min(value) over (partition by key order by value rows
between 1 preceding and 1 preceding) from small;
{noformat}
doesn't work. It failed with
{noformat}
java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException:
Hive Runtime Error while processing row (tag=0)
{"key":{"reducesinkkey0":"2"},"value":{"_col0":"500"}}
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$Job.run(LocalJobRunner.java:449)
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error
while processing row (tag=0)
{"key":{"reducesinkkey0":"2"},"value":{"_col0":"500"}}
at
org.apache.hadoop.hive.ql.exec.mr.ExecReducer.reduce(ExecReducer.java:244)
... 3 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Internal Error:
cannot generate all output rows for a Partition
at
org.apache.hadoop.hive.ql.udf.ptf.WindowingTableFunction.finishPartition(WindowingTableFunction.java:520)
at
org.apache.hadoop.hive.ql.exec.PTFOperator$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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