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Posted to issues@spark.apache.org by "Dilip Biswal (JIRA)" <ji...@apache.org> on 2015/10/09 11:26:26 UTC

[jira] [Created] (SPARK-11024) Optimize NULL in by folding it to Literal(null)

Dilip Biswal created SPARK-11024:
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             Summary: Optimize NULL in <inlist-expressions> by folding it to Literal(null)
                 Key: SPARK-11024
                 URL: https://issues.apache.org/jira/browse/SPARK-11024
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.5.1
            Reporter: Dilip Biswal
            Priority: Minor


Add a rule in optimizer to convert NULL [NOT] IN (expr1,...,expr2) to
Literal(null). 

This is a follow up defect to SPARK-8654 and suggested by Wenchen Fan.


    



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