c

org.apache.spark.sql.qualityFunctions

DoCodegenFallbackHandler

class DoCodegenFallbackHandler extends LambdaCompilationHandler

Defaults to calling codeGen, this can either be an original compilation approach or the CodegenFallback depending on implementation. It will evaluate the entire tree of expr and return all NamedLambdaVariables as they will not be using the same compilation approach.

This is the default for known OSS implementations and should also be used if compilation will not be within the same class

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LambdaCompilationHandler, AnyRef, Any
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Instance Constructors

  1. new DoCodegenFallbackHandler()

Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
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  6. final def eq(arg0: AnyRef): Boolean
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  7. def equals(arg0: Any): Boolean
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  8. def finalize(): Unit
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  9. final def getClass(): Class[_]
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  10. def hashCode(): Int
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  11. final def isInstanceOf[T0]: Boolean
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  12. final def ne(arg0: AnyRef): Boolean
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  13. final def notify(): Unit
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    @native()
  14. final def notifyAll(): Unit
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    @native()
  15. def shouldTransform(expr: Expression): Seq[NamedLambdaVariable]

    returns

    empty if the expression should be transformed (i.e. there is a custom solution for it). Otherwise return the full set of NamedLambdaVariables found

    Definition Classes
    DoCodegenFallbackHandler → LambdaCompilationHandler
  16. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  17. def toString(): String
    Definition Classes
    AnyRef → Any
  18. def transform(expr: Expression, scope: Map[ExprId, NamedLambdaVariableCodeGen]): Expression

    Transform the expression using the scope of replaceable named lambda variable expression

    Transform the expression using the scope of replaceable named lambda variable expression

    Definition Classes
    DoCodegenFallbackHandler → LambdaCompilationHandler
  19. final def wait(): Unit
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  20. final def wait(arg0: Long, arg1: Int): Unit
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  21. final def wait(arg0: Long): Unit
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Inherited from LambdaCompilationHandler

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