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  1. Pig
  2. PIG-4840

Do not turn off UnionOptimizer for unsupported storefuncs in case of no vertex groups

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.16.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      We turn of UnionOptimizer for unsupported storefuncs as writing from two vertices may overwrite data. But in the case where there is only one unique union member we don't create vertex groups and merge the union operators into the Split vertex, we can turn it on.

        Attachments

        1. PIG-4840-1.patch
          20 kB
          Rohini Palaniswamy

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            • Assignee:
              rohini Rohini Palaniswamy
              Reporter:
              rohini Rohini Palaniswamy
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              Dates

              • Created:
                Updated:
                Resolved: