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From "wuyi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-26814) Avoid unnecessary block concatenation while empty block exists
Date Sat, 02 Feb 2019 08:04:00 GMT
wuyi created SPARK-26814:
----------------------------

             Summary: Avoid unnecessary block concatenation while empty block exists
                 Key: SPARK-26814
                 URL: https://issues.apache.org/jira/browse/SPARK-26814
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.4.0
         Environment: We should always avoid unnecessary block concatenation while empty
block exists among the two Blocks, which avoid redundant code interpolation for blocks. 
            Reporter: wuyi






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