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https://issues.apache.org/jira/browse/HIVE-18726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16366445#comment-16366445
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Vineet Garg commented on HIVE-18726:
------------------------------------
Attached is initial patch which adds support for DEFAULT constraint for DDL
statements (CREATE TABLE, ALTER etc.)
This patch has yet to implement the following:
* Metastore schema changes for all databases beside DERBY.
* Planner changes to change the plan to insert DEFAULT
* Type checking to make sure DEFAULT expression/value type is compatible with
the column values.
* More tests
> Implement DEFAULT constraint
> ----------------------------
>
> Key: HIVE-18726
> URL: https://issues.apache.org/jira/browse/HIVE-18726
> Project: Hive
> Issue Type: New Feature
> Components: Query Planning, Query Processor
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Priority: Major
> Fix For: 3.0.0
>
> Attachments: HIVE-18726.1.patch
>
>
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