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object ArrowDictionary

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Type Members

  1. class ArrowDictionaryArray[T <: AnyRef] extends ArrowDictionary

    Holder for dictionary values

  2. class ArrowDictionaryBuilder extends ArrowDictionary

    Tracks values seen and writes dictionary encoded ints instead

  3. class ArrowDictionaryVector extends ArrowDictionary

    Dictionary that wraps an arrow vector

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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    protected[lang]
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    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  6. def create(encoding: DictionaryEncoding, values: FieldVector, bindings: Seq[ObjectType], precision: SimpleFeatureEncoding): ArrowDictionary

    Create a dictionary based on wrapping an arrow vector

    Create a dictionary based on wrapping an arrow vector

    encoding

    dictionary id and metadata

    values

    dictionary vector

    bindings

    attribute descriptor bindings, used for reading values from the arrow vector

    precision

    simple feature encoding used on the dictionary values

  7. def create(encoding: DictionaryEncoding, values: FieldVector, descriptor: AttributeDescriptor, precision: SimpleFeatureEncoding): ArrowDictionary

    Create a dictionary based on wrapping an arrow vector

    Create a dictionary based on wrapping an arrow vector

    encoding

    dictionary id and metadata

    values

    dictionary vector

    descriptor

    attribute descriptor for the dictionary, used to read values from the underlying vector

    precision

    simple feature encoding used on the dictionary values

  8. def create[T <: AnyRef](typename: String, id: Long, values: Array[T], length: Int)(implicit ct: ClassTag[T]): ArrowDictionary

    Create a dictionary based on a subset of a value array

    Create a dictionary based on a subset of a value array

    id

    dictionary id

    values

    array of dictionary values

    length

    number of valid entries in the values array, starting at position 0

  9. def create[T <: AnyRef](typename: String, id: Long, values: Array[T])(implicit ct: ClassTag[T]): ArrowDictionary

    Create a dictionary based off a sequence of values.

    Create a dictionary based off a sequence of values. Encoding will be smallest that will fit all values.

    id

    dictionary id

    values

    dictionary values

    returns

    dictionary

  10. final def eq(arg0: AnyRef): Boolean
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  11. def equals(arg0: Any): Boolean
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  12. final def getClass(): Class[_]
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  13. def hashCode(): Int
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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. final def synchronized[T0](arg0: ⇒ T0): T0
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  19. def toString(): String
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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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  22. final def wait(): Unit
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Deprecated Value Members

  1. def finalize(): Unit
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    @throws( classOf[java.lang.Throwable] ) @Deprecated
    Deprecated

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