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Posted to issues@spark.apache.org by "Liang-Chi Hsieh (JIRA)" <ji...@apache.org> on 2016/02/24 07:58:18 UTC

[jira] [Created] (SPARK-13466) Don't introduce redundant project with colum pruning rule

Liang-Chi Hsieh created SPARK-13466:
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             Summary: Don't introduce redundant project with colum pruning rule
                 Key: SPARK-13466
                 URL: https://issues.apache.org/jira/browse/SPARK-13466
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Liang-Chi Hsieh


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



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