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Posted to issues@spark.apache.org by "Sameer Agarwal (JIRA)" <ji...@apache.org> on 2016/01/29 21:21:39 UTC

[jira] [Created] (SPARK-13092) Track constraints in ExpressionSet

Sameer Agarwal created SPARK-13092:
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             Summary: Track constraints in ExpressionSet
                 Key: SPARK-13092
                 URL: https://issues.apache.org/jira/browse/SPARK-13092
             Project: Spark
          Issue Type: Sub-task
            Reporter: Sameer Agarwal


Create a new ExpressionSet that operates similar to an AttributeSet for keeping track of constraints. A nice addition to this will be to try and have it do other type of canonicalization (i.e. don't allow both a = b and b = a).




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