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https://issues.apache.org/jira/browse/HIVE-14535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin resolved HIVE-14535.
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Resolution: Fixed
Fix Version/s: 4.0.0
This was finished a fair amount of time ago
> add insert-only ACID tables to Hive
> ------------------------------------
>
> Key: HIVE-14535
> URL: https://issues.apache.org/jira/browse/HIVE-14535
> Project: Hive
> Issue Type: Improvement
> Components: Transactions
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Major
> Labels: TODOC3.0
> Fix For: 4.0.0
>
>
> Design doc:
> https://docs.google.com/document/d/1b3t1RywfyRb73-cdvkEzJUyOiekWwkMHdiQ-42zCllY
> Feel free to comment.
> Update: we ended up going with sequence number based implementation
> Update #2: this feature has been partially merged with ACID; the new table
> type is insert_only ACID, and the difference from the regular ACID is that it
> only supports inserts on one hand; and that it has no restrictions on file
> format, table type (bucketing), and much fewer restrictions on other
> operations (export/import, list bucketing, etc.)
> Currently some features that used to work when it was separated are not
> integrated properly; integration of these features is the remaining work in
> this JIRA
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