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https://issues.apache.org/jira/browse/HIVE-20816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16665272#comment-16665272
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Rajesh Balamohan edited comment on HIVE-20816 at 10/26/18 3:02 PM:
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Related ticket: https://issues.apache.org/jira/browse/HIVE-19085
https://github.com/apache/hive/blob/f37c5de6c32b9395d1b34fa3c02ed06d1bfbf6eb/storage-api/src/java/org/apache/hadoop/hive/common/type/FastHiveDecimalImpl.java#L2537
If all words are 0 && byteIndex is 0 as well, we should return 0 instead of
processing further.
was (Author: rajesh.balamohan):
Related ticket: https://issues.apache.org/jira/browse/HIVE-19085
https://github.com/apache/hive/blob/f37c5de6c32b9395d1b34fa3c02ed06d1bfbf6eb/storage-api/src/java/org/apache/hadoop/hive/common/type/FastHiveDecimalImpl.java#L2537
If all words are 0 && byteIndex is 0 as well, we should return 0 instead of
proceeding further.
> FastHiveDecimal throws Exception (RuntimeException: Unexpected #3)
> ------------------------------------------------------------------
>
> Key: HIVE-20816
> URL: https://issues.apache.org/jira/browse/HIVE-20816
> Project: Hive
> Issue Type: Improvement
> Components: Hive
> Affects Versions: 2.3.2
> Reporter: Rajesh Balamohan
> Priority: Major
> Labels: fastdecimal
>
> {noformat}
> with t1 as (
> ...
> ...
> )
> select id, max(abs(c1))) from t1 group by id;
> {noformat}
> throws the following exception
> {noformat}
> g.Thread.run(Thread.java:748)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
> org.apache.hadoop.hive.ql.metadata.HiveException:
> org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.RuntimeException:
> Unexpected #3
> 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)
> ....
> ...
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
> org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.RuntimeException:
> Unexpected #3
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.flush(GroupByOperator.java:1084)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.closeOp(GroupByOperator.java:1123)
> ... 18 more
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:
> java.lang.RuntimeException: Unexpected #3
> at
> org.apache.hadoop.hive.ql.exec.ReduceSinkOperator.process(ReduceSinkOperator.java:397)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:897)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.forward(GroupByOperator.java:1047)
> at
> org.apache.hadoop.hive.ql.exec.GroupByOperator.flush(GroupByOperator.java:1067)
> ... 19 more
> {noformat}
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