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  1. Pig
  2. PIG-3492

ColumnPrune dropping used column due to LogicalRelationalOperator.fixDuplicateUids changes not propagating

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.11.1, 0.12.1, 0.13.0
    • 0.12.1
    • None
    • None
    • Reviewed

    Description

      I don't have a testcase I can upload at the moment, but here's my observation.

      SplitFilter -> schemaResetter -> LOGenerate.getSchema -> LogicalRelationalOperator.fixDuplicateUids() creating a new UID but that UID is not propagated to the entire plan (since SplitFilter.reportChanges only returns subplan).

      As a result, I am seeing ColumnPruning cutting off those used columns.

      Attachments

        1. PIG-3492-trunk-delta.patch
          5 kB
          Daniel Dai
        2. pig-3492-trunk_04.patch
          51 kB
          Koji Noguchi
        3. pig-3492-v0.12_01.patch
          6 kB
          Koji Noguchi

        Issue Links

        is related to

        Bug - A problem which impairs or prevents the functions of the product. PIG-3020 "Duplicate uid in schema" error when joining two relations derived from the same load statement

        • Major - Major loss of function.
        • Closed

        Bug - A problem which impairs or prevents the functions of the product. PIG-3144 Erroneous map entry alias resolution leading to "Duplicate schema alias" errors

        • Major - Major loss of function.
        • Closed

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            knoguchi Koji Noguchi
            knoguchi Koji Noguchi
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              Updated:
              Resolved:

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