com.twitter.summingbird.planner.DagOptimizer

AlsoPullUp

object AlsoPullUp extends Rule[Prod]

We can always push all Also nodes all the way to the bottom of the dag MergedProducer(AlsoProducer(t, a), b) == AlsoProducer(t, MergedProducer(a, b))

Unary(l, fn), if l == AlsoProducer(tail, r) can be changed to AlsoProducer(tail, fn(r))

Source
DagOptimizer.scala
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Rule[Prod], AnyRef, Any
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  1. final def !=(arg0: AnyRef): Boolean

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

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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

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  6. def apply[T](on: ExpressionDag[Prod]): (Prod[T]) ⇒ Option[Prod[T]]

    If the given Id can be replaced with a simpler expression, return Some(expr) else None.

    If the given Id can be replaced with a simpler expression, return Some(expr) else None.

    If it is convenient, you might write a partial function and then call .lift to get the correct Function type

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    AlsoPullUpRule
  7. final def asInstanceOf[T0]: T0

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  8. def clone(): AnyRef

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

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  11. def finalize(): Unit

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  14. final def isInstanceOf[T0]: Boolean

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  15. final def ne(arg0: AnyRef): Boolean

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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  18. def orElse(that: Rule[Prod]): Rule[Prod]

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

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  20. def toString(): String

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  21. final def wait(): Unit

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

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

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