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  1. Pig
  2. PIG-3063

Projection push down should support nested schemas

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    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
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    Description

      LoadPushDown.pushProjection(..) should support nested schemas. Currently the RequiredFieldList passed to this method only include the top-level fields so more granular projection at a lower level is not supported.

      The data model already support this, since RequiredField.getSubFields() exists, but subfields are not currently set. I'm not sure if this JIRA is a Bug that these fields aren't set, or if it's an Improvement to set them.

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            Unassigned Unassigned
            billgraham William W. Graham Jr
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            Dates

              Created:
              Updated: