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Posted to issues@hivemall.apache.org by "Makoto Yui (Jira)" <ji...@apache.org> on 2020/06/04 05:22:00 UTC
[jira] [Closed] (HIVEMALL-295) transpose_and_dot throws
UDFArgumentException for 0 rows input
[ https://issues.apache.org/jira/browse/HIVEMALL-295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Makoto Yui closed HIVEMALL-295.
-------------------------------
Resolution: Fixed
> transpose_and_dot throws UDFArgumentException for 0 rows input
> --------------------------------------------------------------
>
> Key: HIVEMALL-295
> URL: https://issues.apache.org/jira/browse/HIVEMALL-295
> Project: Hivemall
> Issue Type: Bug
> Affects Versions: 0.6.0
> Reporter: Makoto Yui
> Assignee: Makoto Yui
> Priority: Minor
> Fix For: 0.6.2
>
>
> transpose_and_dot throws UDFArgumentException for 0 rows input.
> {code:java}
> WITH INPUT AS(
> SELECT
> ARRAY(1.0,2.0,3.0) AS X,
> ARRAY(0,1) AS Y
> )
> SELECT
> transpose_and_dot(Y,X) AS observed
> FROM
> INPUT
> WHERE false
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: org.apache.hadoop.hive.ql.exec.UDFArgumentException
> at org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1126)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:697)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
> at org.apache.hadoop.hive.ql.exec.Operator.close(Operator.java:711)
> at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.close(MapRecordProcessor.java:464)
> ... 15 more
> Caused by: org.apache.hadoop.hive.ql.exec.UDFArgumentException
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> at java.lang.Class.newInstance(Class.java:442)
> at hivemall.utils.lang.Preconditions.checkNotNull(Preconditions.java:43)
> at hivemall.tools.matrix.TransposeAndDotUDAF$TransposeAndDotUDAFEvaluator.iterate(TransposeAndDotUDAF.java:172)
> at org.apache.hadoop.hive.ql.udf.generic.GenericUDAFEvaluator.aggregate(GenericUDAFEvaluator.java:192)
> at org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1117)
> ... 21 more
> {code}
> UDAFs need to care about 0 row.
> https://github.com/apache/hive/blob/rel/release-2.3.2/ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java#L1102
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