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https://issues.apache.org/jira/browse/HIVE-8559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14180606#comment-14180606
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Alexander Pivovarov commented on HIVE-8559:
-------------------------------------------
mysql> select cast(0 as DECIMAL(6,6)) f1;
+----------+
| f1 |
+----------+
| 0.000000 |
+----------+
> DECIMAL field can not store 0 if precision = scale
> --------------------------------------------------
>
> Key: HIVE-8559
> URL: https://issues.apache.org/jira/browse/HIVE-8559
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.13.1
> Reporter: Alexander Pivovarov
>
> For example the following query returns NULL instead of 0 in hive (trunk )
> select cast(0 as decimal(6,6));
> OK
> NULL
> I tried DECIMAL(6,6) in oracle. It can store 0.
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