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https://issues.apache.org/jira/browse/HIVE-872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13052804#comment-13052804
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John Sichi commented on HIVE-872:
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+1 on latest, re-testing.
> Allow type widening on COALESCE/UNION ALL
> -----------------------------------------
>
> Key: HIVE-872
> URL: https://issues.apache.org/jira/browse/HIVE-872
> Project: Hive
> Issue Type: New Feature
> Reporter: Zheng Shao
> Assignee: Syed S. Albiz
> Attachments: HIVE-872.1.patch, HIVE-872.6.patch, HIVE-872.7.patch
>
>
> Original request: We should allow "0L" to be interpreted as a bigint constant.
> Instead of this, we have decided that the usecases for this do not merit
> modifications to the ql. Instead we enable type widening on the UDF COALESCE
> and on the UNION ALL operator
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