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https://issues.apache.org/jira/browse/HIVE-2693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13535523#comment-13535523
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Gunther Hagleitner commented on HIVE-2693:
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One more thing. It would be great to stop auto-converting double to decimal.
"WHERE decimal_column = 3.14" should preferably fail in the semantic analysis,
so that any user would know that they have to cast from string or use a short
hand.
> Add DECIMAL data type
> ---------------------
>
> Key: HIVE-2693
> URL: https://issues.apache.org/jira/browse/HIVE-2693
> Project: Hive
> Issue Type: New Feature
> Components: Query Processor, Types
> Affects Versions: 0.10.0
> Reporter: Carl Steinbach
> Assignee: Prasad Mujumdar
> Attachments: 2693_7.patch, 2693_8.patch, 2693_fix_all_tests1.patch,
> HIVE-2693-10.patch, HIVE-2693-11.patch, HIVE-2693-12-SortableSerDe.patch,
> HIVE-2693-13.patch, HIVE-2693-1.patch.txt, HIVE-2693-all.patch,
> HIVE-2693-fix.patch, HIVE-2693.patch, HIVE-2693-take3.patch,
> HIVE-2693-take4.patch
>
>
> Add support for the DECIMAL data type. HIVE-2272 (TIMESTAMP) provides a nice
> template for how to do this.
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