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  1. Hive
  2. HIVE-14516

OrcInputFormat.SplitGenerator.callInternal() can be optimized

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.2.0
    • 4.0.0, 4.0.0-alpha-1
    • Transactions
    • None

    Description

      callIntenal() has
      // We can't eliminate stripes if there are deltas because the
      // deltas may change the rows making them match the predicate.

      but in Acid 2.0, the deltas only have delete events thus eliminating stripes from "base" of split should be safe.

      cc gopalv

      Attachments

        1. HIVE-14516.01.patch
          2 kB
          Igor Kryvenko

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              ikryvenko Igor Kryvenko
              ekoifman Eugene Koifman
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                Updated:
                Resolved: