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https://issues.apache.org/jira/browse/HIVE-6465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13906159#comment-13906159
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Sushanth Sowmyan commented on HIVE-6465:
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The Alter Table syntax acts as syntactic sugar for the background parameter, so
the TBLPROPERTIES would also continue working. This is consistent with how
OFFLINE/NO_DROP work as well, which are simply Properties at a Partition/Table
level - "PROTECT_MODE"="OFFLINE"/"NO_DROP"/"NO_DROP_CASCADE"/"READ_ONLY" would
achieve the same thing for them.
> Introduce ql grammar for immutability property
> ----------------------------------------------
>
> Key: HIVE-6465
> URL: https://issues.apache.org/jira/browse/HIVE-6465
> Project: Hive
> Issue Type: Sub-task
> Components: HCatalog, Metastore, Query Processor, Thrift API
> Reporter: Sushanth Sowmyan
>
> HIVE-6406 introduces a notion of an immutable table in hive. In essence, it
> is a data protection feature similar to current hive protections like OFFLINE
> and NO_DROP. Thus, rather than having its interface being people mucking
> around TBLPROPERTIES, we should have ql grammar for it.
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