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  1. Hive
  2. HIVE-14535

add insert-only ACID tables to Hive

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      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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              sershe Sergey Shelukhin
              sershe Sergey Shelukhin
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