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org.apache.spark.sql.delta.stats

ArrayAccumulator

class ArrayAccumulator extends AccumulatorV2[(Int, Long), Array[Long]]

An accumulator that keeps arrays of counts. Counts from multiple partitions are merged by index. -1 indicates a null and is handled using TVL (-1 + N = -1)

Linear Supertypes
AccumulatorV2[(Int, Long), Array[Long]], Serializable, AnyRef, Any
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Inherited
  1. ArrayAccumulator
  2. AccumulatorV2
  3. Serializable
  4. AnyRef
  5. Any
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Visibility
  1. Public
  2. Protected

Instance Constructors

  1. new ArrayAccumulator(size: Int)

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##: Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def add(v: (Int, Long)): Unit
    Definition Classes
    ArrayAccumulator → AccumulatorV2
  5. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  6. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  7. def copy(): AccumulatorV2[(Int, Long), Array[Long]]
    Definition Classes
    ArrayAccumulator → AccumulatorV2
  8. def copyAndReset(): AccumulatorV2[(Int, Long), Array[Long]]
    Definition Classes
    AccumulatorV2
  9. val counts: Array[Long]
    Attributes
    protected
  10. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  11. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  12. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable])
  13. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  14. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  15. final def id: Long
    Definition Classes
    AccumulatorV2
  16. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  17. final def isRegistered: Boolean
    Definition Classes
    AccumulatorV2
  18. def isZero: Boolean
    Definition Classes
    ArrayAccumulator → AccumulatorV2
  19. def merge(o: AccumulatorV2[(Int, Long), Array[Long]]): Unit
    Definition Classes
    ArrayAccumulator → AccumulatorV2
  20. final def name: Option[String]
    Definition Classes
    AccumulatorV2
  21. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  22. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  23. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  24. def reset(): Unit
    Definition Classes
    ArrayAccumulator → AccumulatorV2
  25. val size: Int
  26. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  27. def toString(): String
    Definition Classes
    AccumulatorV2 → AnyRef → Any
  28. def value: Array[Long]
    Definition Classes
    ArrayAccumulator → AccumulatorV2
  29. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  30. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  31. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  32. def withBufferSerialized(): AccumulatorV2[(Int, Long), Array[Long]]
    Attributes
    protected
    Definition Classes
    AccumulatorV2
  33. final def writeReplace(): Any
    Attributes
    protected
    Definition Classes
    AccumulatorV2

Inherited from AccumulatorV2[(Int, Long), Array[Long]]

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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