Class

org.apache.spark.sql.execution.aggregate

SortBasedAggregationIterator

Related Doc: package aggregate

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class SortBasedAggregationIterator extends AggregationIterator

An iterator used to evaluate AggregateFunction. It assumes the input rows have been sorted by values of groupingExpressions.

Linear Supertypes
AggregationIterator, Logging, Iterator[UnsafeRow], TraversableOnce[UnsafeRow], GenTraversableOnce[UnsafeRow], AnyRef, Any
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Inherited
  1. SortBasedAggregationIterator
  2. AggregationIterator
  3. Logging
  4. Iterator
  5. TraversableOnce
  6. GenTraversableOnce
  7. AnyRef
  8. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new SortBasedAggregationIterator(groupingExpressions: Seq[NamedExpression], valueAttributes: Seq[Attribute], inputIterator: Iterator[InternalRow], aggregateExpressions: Seq[AggregateExpression], aggregateAttributes: Seq[Attribute], initialInputBufferOffset: Int, resultExpressions: Seq[NamedExpression], newMutableProjection: (Seq[Expression], Seq[Attribute]) ⇒ MutableProjection, numOutputRows: SQLMetric)

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Type Members

  1. class GroupedIterator[B >: A] extends AbstractIterator[Seq[B]] with Iterator[Seq[B]]

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    Definition Classes
    Iterator

Value Members

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

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any

  3. def ++[B >: UnsafeRow](that: ⇒ GenTraversableOnce[B]): Iterator[B]

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    Definition Classes
    Iterator

  4. def /:[B](z: B)(op: (B, UnsafeRow) ⇒ B): B

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  5. def :\[B](z: B)(op: (UnsafeRow, B) ⇒ B): B

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    Definition Classes
    TraversableOnce → GenTraversableOnce

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

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    Definition Classes
    AnyRef → Any

  7. def addString(b: StringBuilder): StringBuilder

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    Definition Classes
    TraversableOnce

  8. def addString(b: StringBuilder, sep: String): StringBuilder

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    Definition Classes
    TraversableOnce

  9. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder

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    Definition Classes
    TraversableOnce

  10. def aggregate[B](z: ⇒ B)(seqop: (B, UnsafeRow) ⇒ B, combop: (B, B) ⇒ B): B

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  11. val aggregateFunctions: Array[AggregateFunction]

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    Attributes
    protected
    Definition Classes
    AggregationIterator

  12. val allImperativeAggregateFunctionPositions: Array[Int]

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    Attributes
    protected[this]
    Definition Classes
    AggregationIterator

  13. val allImperativeAggregateFunctions: Array[ImperativeAggregate]

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    Attributes
    protected[this]
    Definition Classes
    AggregationIterator

  14. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  15. def buffered: BufferedIterator[UnsafeRow]

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    Definition Classes
    Iterator

  16. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  17. def collect[B](pf: PartialFunction[UnsafeRow, B]): Iterator[B]

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    Definition Classes
    Iterator
    Annotations
    @migration
    Migration

    (Changed in version 2.8.0) collect has changed. The previous behavior can be reproduced with toSeq.

  18. def collectFirst[B](pf: PartialFunction[UnsafeRow, B]): Option[B]

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    Definition Classes
    TraversableOnce

  19. def contains(elem: Any): Boolean

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    Definition Classes
    Iterator

  20. def copyToArray[B >: UnsafeRow](xs: Array[B], start: Int, len: Int): Unit

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    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  21. def copyToArray[B >: UnsafeRow](xs: Array[B]): Unit

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  22. def copyToArray[B >: UnsafeRow](xs: Array[B], start: Int): Unit

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  23. def copyToBuffer[B >: UnsafeRow](dest: Buffer[B]): Unit

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    Definition Classes
    TraversableOnce

  24. def corresponds[B](that: GenTraversableOnce[B])(p: (UnsafeRow, B) ⇒ Boolean): Boolean

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    Definition Classes
    Iterator

  25. def count(p: (UnsafeRow) ⇒ Boolean): Int

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  26. def drop(n: Int): Iterator[UnsafeRow]

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    Definition Classes
    Iterator

  27. def dropWhile(p: (UnsafeRow) ⇒ Boolean): Iterator[UnsafeRow]

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    Definition Classes
    Iterator

  28. def duplicate: (Iterator[UnsafeRow], Iterator[UnsafeRow])

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    Definition Classes
    Iterator

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

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    Definition Classes
    AnyRef

  30. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  31. def exists(p: (UnsafeRow) ⇒ Boolean): Boolean

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    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  32. val expressionAggInitialProjection: MutableProjection

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    Attributes
    protected[this]
    Definition Classes
    AggregationIterator

  33. def filter(p: (UnsafeRow) ⇒ Boolean): Iterator[UnsafeRow]

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    Definition Classes
    Iterator

  34. def filterNot(p: (UnsafeRow) ⇒ Boolean): Iterator[UnsafeRow]

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    Definition Classes
    Iterator

  35. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  36. def find(p: (UnsafeRow) ⇒ Boolean): Option[UnsafeRow]

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    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  37. def flatMap[B](f: (UnsafeRow) ⇒ GenTraversableOnce[B]): Iterator[B]

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    Definition Classes
    Iterator

  38. def fold[A1 >: UnsafeRow](z: A1)(op: (A1, A1) ⇒ A1): A1

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  39. def foldLeft[B](z: B)(op: (B, UnsafeRow) ⇒ B): B

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  40. def foldRight[B](z: B)(op: (UnsafeRow, B) ⇒ B): B

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  41. def forall(p: (UnsafeRow) ⇒ Boolean): Boolean

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    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  42. def foreach[U](f: (UnsafeRow) ⇒ U): Unit

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    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  43. val generateOutput: (UnsafeRow, InternalRow) ⇒ UnsafeRow

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    Attributes
    protected
    Definition Classes
    AggregationIterator

  44. def generateProcessRow(expressions: Seq[AggregateExpression], functions: Seq[AggregateFunction], inputAttributes: Seq[Attribute]): (InternalRow, InternalRow) ⇒ Unit

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    Attributes
    protected
    Definition Classes
    AggregationIterator

  45. def generateResultProjection(): (UnsafeRow, InternalRow) ⇒ UnsafeRow

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    Attributes
    protected
    Definition Classes
    AggregationIterator

  46. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any

  47. def grouped[B >: UnsafeRow](size: Int): GroupedIterator[B]

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    Definition Classes
    Iterator

  48. val groupingAttributes: Seq[Attribute]

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    Attributes
    protected
    Definition Classes
    AggregationIterator

  49. val groupingProjection: UnsafeProjection

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    Attributes
    protected
    Definition Classes
    AggregationIterator

  50. def hasDefiniteSize: Boolean

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    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  51. final def hasNext: Boolean

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    Definition Classes
    SortBasedAggregationIterator → Iterator

  52. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  53. def indexOf[B >: UnsafeRow](elem: B): Int

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    Definition Classes
    Iterator

  54. def indexWhere(p: (UnsafeRow) ⇒ Boolean): Int

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    Definition Classes
    Iterator

  55. def initialize(): Unit

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    Attributes
    protected

  56. def initializeAggregateFunctions(expressions: Seq[AggregateExpression], startingInputBufferOffset: Int): Array[AggregateFunction]

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    Attributes
    protected
    Definition Classes
    AggregationIterator

  57. def initializeBuffer(buffer: InternalRow): Unit

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    Initializes buffer values for all aggregate functions.

    Initializes buffer values for all aggregate functions.

    Attributes
    protected
    Definition Classes
    AggregationIterator

  58. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  59. def isEmpty: Boolean

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    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  60. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  61. def isTraceEnabled(): Boolean

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    Attributes
    protected
    Definition Classes
    Logging

  62. def isTraversableAgain: Boolean

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    Definition Classes
    Iterator → GenTraversableOnce

  63. def length: Int

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    Definition Classes
    Iterator

  64. def log: Logger

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    Attributes
    protected
    Definition Classes
    Logging

  65. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  66. def logDebug(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  67. def logError(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  68. def logError(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  69. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  70. def logInfo(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  71. def logName: String

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    Attributes
    protected
    Definition Classes
    Logging

  72. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  73. def logTrace(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  74. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  75. def logWarning(msg: ⇒ String): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  76. def map[B](f: (UnsafeRow) ⇒ B): Iterator[B]

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    Definition Classes
    Iterator

  77. def max[B >: UnsafeRow](implicit cmp: Ordering[B]): UnsafeRow

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  78. def maxBy[B](f: (UnsafeRow) ⇒ B)(implicit cmp: Ordering[B]): UnsafeRow

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  79. def min[B >: UnsafeRow](implicit cmp: Ordering[B]): UnsafeRow

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  80. def minBy[B](f: (UnsafeRow) ⇒ B)(implicit cmp: Ordering[B]): UnsafeRow

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  81. def mkString: String

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  82. def mkString(sep: String): String

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  83. def mkString(start: String, sep: String, end: String): String

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    Definition Classes
    TraversableOnce → GenTraversableOnce

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

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    Definition Classes
    AnyRef

  85. final def next(): UnsafeRow

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    Definition Classes
    SortBasedAggregationIterator → Iterator

  86. def nonEmpty: Boolean

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  87. final def notify(): Unit

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    Definition Classes
    AnyRef

  88. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  89. def outputForEmptyGroupingKeyWithoutInput(): UnsafeRow

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  90. def padTo[A1 >: UnsafeRow](len: Int, elem: A1): Iterator[A1]

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    Definition Classes
    Iterator

  91. def partition(p: (UnsafeRow) ⇒ Boolean): (Iterator[UnsafeRow], Iterator[UnsafeRow])

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    Definition Classes
    Iterator

  92. def patch[B >: UnsafeRow](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]

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    Definition Classes
    Iterator

  93. def processCurrentSortedGroup(): Unit

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    Processes rows in the current group.

    Processes rows in the current group. It will stop when it find a new group.

    Attributes
    protected

  94. val processRow: (InternalRow, InternalRow) ⇒ Unit

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    Attributes
    protected
    Definition Classes
    AggregationIterator

  95. def product[B >: UnsafeRow](implicit num: Numeric[B]): B

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  96. def reduce[A1 >: UnsafeRow](op: (A1, A1) ⇒ A1): A1

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  97. def reduceLeft[B >: UnsafeRow](op: (B, UnsafeRow) ⇒ B): B

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    Definition Classes
    TraversableOnce

  98. def reduceLeftOption[B >: UnsafeRow](op: (B, UnsafeRow) ⇒ B): Option[B]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  99. def reduceOption[A1 >: UnsafeRow](op: (A1, A1) ⇒ A1): Option[A1]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  100. def reduceRight[B >: UnsafeRow](op: (UnsafeRow, B) ⇒ B): B

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  101. def reduceRightOption[B >: UnsafeRow](op: (UnsafeRow, B) ⇒ B): Option[B]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  102. def reversed: List[UnsafeRow]

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    Attributes
    protected[this]
    Definition Classes
    TraversableOnce

  103. def sameElements(that: Iterator[_]): Boolean

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    Definition Classes
    Iterator

  104. def scanLeft[B](z: B)(op: (B, UnsafeRow) ⇒ B): Iterator[B]

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    Definition Classes
    Iterator

  105. def scanRight[B](z: B)(op: (UnsafeRow, B) ⇒ B): Iterator[B]

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    Definition Classes
    Iterator

  106. def seq: Iterator[UnsafeRow]

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    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  107. def size: Int

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  108. def slice(from: Int, until: Int): Iterator[UnsafeRow]

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    Definition Classes
    Iterator

  109. def sliding[B >: UnsafeRow](size: Int, step: Int): GroupedIterator[B]

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    Definition Classes
    Iterator

  110. def span(p: (UnsafeRow) ⇒ Boolean): (Iterator[UnsafeRow], Iterator[UnsafeRow])

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    Definition Classes
    Iterator

  111. def sum[B >: UnsafeRow](implicit num: Numeric[B]): B

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    Definition Classes
    TraversableOnce → GenTraversableOnce

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

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    Definition Classes
    AnyRef

  113. def take(n: Int): Iterator[UnsafeRow]

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    Definition Classes
    Iterator

  114. def takeWhile(p: (UnsafeRow) ⇒ Boolean): Iterator[UnsafeRow]

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    Definition Classes
    Iterator

  115. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, UnsafeRow, Col[UnsafeRow]]): Col[UnsafeRow]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  116. def toArray[B >: UnsafeRow](implicit arg0: ClassTag[B]): Array[B]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  117. def toBuffer[B >: UnsafeRow]: Buffer[B]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  118. def toIndexedSeq: IndexedSeq[UnsafeRow]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  119. def toIterable: Iterable[UnsafeRow]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  120. def toIterator: Iterator[UnsafeRow]

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    Definition Classes
    Iterator → GenTraversableOnce

  121. def toList: List[UnsafeRow]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  122. def toMap[T, U](implicit ev: <:<[UnsafeRow, (T, U)]): Map[T, U]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  123. def toSeq: Seq[UnsafeRow]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  124. def toSet[B >: UnsafeRow]: Set[B]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  125. def toStream: Stream[UnsafeRow]

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    Definition Classes
    Iterator → GenTraversableOnce

  126. def toString(): String

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    Definition Classes
    Iterator → AnyRef → Any

  127. def toTraversable: Traversable[UnsafeRow]

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    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  128. def toVector: Vector[UnsafeRow]

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    Definition Classes
    TraversableOnce → GenTraversableOnce

  129. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  132. def withFilter(p: (UnsafeRow) ⇒ Boolean): Iterator[UnsafeRow]

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    Definition Classes
    Iterator

  133. def zip[B](that: Iterator[B]): Iterator[(UnsafeRow, B)]

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    Definition Classes
    Iterator

  134. def zipAll[B, A1 >: UnsafeRow, B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]

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    Definition Classes
    Iterator

  135. def zipWithIndex: Iterator[(UnsafeRow, Int)]

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    Definition Classes
    Iterator

Inherited from AggregationIterator

Inherited from Logging

Inherited from Iterator[UnsafeRow]

Inherited from TraversableOnce[UnsafeRow]

Inherited from GenTraversableOnce[UnsafeRow]

Inherited from AnyRef

Inherited from Any

Ungrouped