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  1. Hive
  2. HIVE-2642

fix Hive-2566 and make union optimization more aggressive

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.9.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Hive-2566 did some optimizations to union, but cause some problems. And then got reverted. This is to get it back and fix the problems we saw, and also make union optimization more aggressive.

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            • Assignee:
              he yongqiang He Yongqiang
              Reporter:
              he yongqiang He Yongqiang
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              • Created:
                Updated:
                Resolved: