org.apache.spark.sql.catalyst

ScalaReflection

trait ScalaReflection extends AnyRef

Support for generating catalyst schemas for scala objects.

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Type Members

  1. implicit class CaseClassRelation[A <: Product] extends AnyRef

  2. case class Schema(dataType: DataType, nullable: Boolean) extends Product with Serializable

Abstract Value Members

  1. abstract val universe: Universe

    The universe we work in (runtime or macro)

Concrete Value Members

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

    Definition Classes
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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 attributesFor[T](implicit arg0: scala.reflect.api.Universe.TypeTag[T]): Seq[Attribute]

    Returns a Sequence of attributes for the given case class type.

  6. def clone(): AnyRef

    Attributes
    protected[java.lang]
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    @throws( ... )
  7. def convertRowToScala(r: Row, schema: StructType): Row

  8. def convertToCatalyst(a: Any, dataType: DataType): Any

    Converts Scala objects to catalyst rows / types.

    Converts Scala objects to catalyst rows / types. Note: This is always called after schemaFor has been called. This ordering is important for UDT registration.

  9. def convertToScala(a: Any, dataType: DataType): Any

    Converts Catalyst types used internally in rows to standard Scala types

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

    Definition Classes
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  11. def equals(arg0: Any): Boolean

    Definition Classes
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  12. def finalize(): Unit

    Attributes
    protected[java.lang]
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    @throws( classOf[java.lang.Throwable] )
  13. final def getClass(): Class[_]

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  14. def hashCode(): Int

    Definition Classes
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  15. final def isInstanceOf[T0]: Boolean

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

    Definition Classes
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  17. final def notify(): Unit

    Definition Classes
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  18. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  19. def schemaFor(tpe: scala.reflect.api.Universe.Type): Schema

    Returns a catalyst DataType and its nullability for the given Scala Type using reflection.

  20. def schemaFor[T](implicit arg0: scala.reflect.api.Universe.TypeTag[T]): Schema

    Returns a catalyst DataType and its nullability for the given Scala Type using reflection.

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

    Definition Classes
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  22. def toString(): String

    Definition Classes
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  23. def typeOfObject: PartialFunction[Any, DataType]

  24. final def wait(): Unit

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    @throws( ... )
  25. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  26. final def wait(arg0: Long): Unit

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