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https://issues.apache.org/jira/browse/HIVE-4686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13681302#comment-13681302
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Remus Rusanu commented on HIVE-4686:
------------------------------------
Similar to HIVE-4612. The emitted aggregate values for MIN/MAX are incorrect.
They should be the same writable type as the input expression.
> Max on float returning wrong results
> ------------------------------------
>
> Key: HIVE-4686
> URL: https://issues.apache.org/jira/browse/HIVE-4686
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: vectorization-branch
> Reporter: Tony Murphy
> Assignee: Remus Rusanu
> Fix For: vectorization-branch
>
> Attachments: max_data.zip
>
>
> Text and Orc returning: 1.4499999
> Vectorized Orc Returning: 0.1
> {noformat}
> drop table LINEITEM_ORC;
> create external table LINEITEM_ORC(L_DISCOUNT float )
> ROW FORMAT SERDE 'org.apache.hadoop.hive.ql.io.orc.OrcSerde'
> STORED AS
> INPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.orc.CommonOrcInputFormat'
> OUTPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat';
> {noformat}
> {noformat}
> SELECT max(l_discount)
> FROM LINEITEM_ORC
> {noformat}
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