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From cloud-fan <...@git.apache.org>
Subject [GitHub] spark pull request: [SPARK-10316][SQL] respect nondeterministic ex...
Date Thu, 27 Aug 2015 14:48:06 GMT
Github user cloud-fan commented on a diff in the pull request:

    https://github.com/apache/spark/pull/8486#discussion_r38103673
  
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/planning/patterns.scala
---
    @@ -26,83 +24,28 @@ import org.apache.spark.sql.catalyst.plans._
     import org.apache.spark.sql.catalyst.plans.logical._
     
     /**
    - * A pattern that matches any number of filter operations on top of another relational
operator.
    - * Adjacent filter operators are collected and their conditions are broken up and returned
as a
    - * sequence of conjunctive predicates.
    - *
    - * @return A tuple containing a sequence of conjunctive predicates that should be used
to filter the
    - *         output and a relational operator.
    + * A pattern that matches at most one Filter and one Project on top of another relational
operator.
    + * Filter condition is broken up to conjunctive parts.
      */
    -object FilteredOperation extends PredicateHelper {
    --- End diff --
    
    The `FilteredOperation` is not used anywhere.


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