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Posted to issues@spark.apache.org by "Peter Toth (Jira)" <ji...@apache.org> on 2020/01/07 15:47:00 UTC

[jira] [Created] (SPARK-30447) Constant propagation nullability issue

Peter Toth created SPARK-30447:
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             Summary: Constant propagation nullability issue
                 Key: SPARK-30447
                 URL: https://issues.apache.org/jira/browse/SPARK-30447
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Peter Toth


There is a bug in constant propagation due to null handling:

SELECT * FROM t WHERE NOT(c = 1 AND c + 1 = 1) returns those rows where c is null due to 1 + 1 = 1 propagation, but it shouldn't.



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