org.apache.spark.sql.catalyst.planning

FilteredOperation

object FilteredOperation extends PredicateHelper

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.

returns

A tuple containing a sequence of conjunctive predicates that should be used to filter the output and a relational operator.

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PredicateHelper, AnyRef, Any
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Type Members

  1. type ReturnType = (Seq[Expression], LogicalPlan)

Value Members

  1. final def !=(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  5. def canEvaluate(expr: Expression, plan: LogicalPlan): Boolean

    Returns true if expr can be evaluated using only the output of plan.

    Returns true if expr can be evaluated using only the output of plan. This method can be used to determine when is is acceptable to move expression evaluation within a query plan.

    For example consider a join between two relations R(a, b) and S(c, d).

    canEvaluate(EqualTo(a,b), R) returns true where as canEvaluate(EqualTo(a,c), R) returns false.

    Attributes
    protected
    Definition Classes
    PredicateHelper

  6. def clone(): AnyRef

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    protected[java.lang]
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    @throws( ... )

  7. final def eq(arg0: AnyRef): Boolean

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  8. def equals(arg0: Any): Boolean

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  9. def finalize(): Unit

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    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )

  10. final def getClass(): Class[_]

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  11. def hashCode(): Int

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  12. final def isInstanceOf[T0]: Boolean

    Definition Classes
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  13. final def ne(arg0: AnyRef): Boolean

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    AnyRef

  14. final def notify(): Unit

    Definition Classes
    AnyRef

  15. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  16. def splitConjunctivePredicates(condition: Expression): Seq[Expression]

    Attributes
    protected
    Definition Classes
    PredicateHelper

  17. def splitDisjunctivePredicates(condition: Expression): Seq[Expression]

    Attributes
    protected
    Definition Classes
    PredicateHelper

  18. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef

  19. def toString(): String

    Definition Classes
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  20. def unapply(plan: LogicalPlan): Option[ReturnType]

  21. final def wait(): Unit

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    @throws( ... )

  22. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )

  23. final def wait(arg0: Long): Unit

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Inherited from PredicateHelper

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