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  1. Spark
  2. SPARK-13466

Remove redundant project in colum pruning rule

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.0.0
    • SQL
    • None

    Description

      With column pruning rule in optimizer, we will introduce redundant project for some cases. We should prevent it.

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            viirya L. C. Hsieh
            viirya L. C. Hsieh
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              Created:
              Updated:
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