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org.apache.spark.sql.execution.aggregate

SortBasedAggregationIterator

class SortBasedAggregationIterator extends AggregationIterator

An iterator used to evaluate org.apache.spark.sql.catalyst.expressions.aggregate.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(partIndex: Int, 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)

Type Members

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

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. def ++[B >: UnsafeRow](that: ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  4. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  5. def addString(b: StringBuilder): StringBuilder
    Definition Classes
    TraversableOnce
  6. def addString(b: StringBuilder, sep: String): StringBuilder
    Definition Classes
    TraversableOnce
  7. def addString(b: StringBuilder, start: String, sep: String, end: String): StringBuilder
    Definition Classes
    TraversableOnce
  8. def aggregate[B](z: ⇒ B)(seqop: (B, UnsafeRow) ⇒ B, combop: (B, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  9. val aggregateFunctions: Array[AggregateFunction]
    Attributes
    protected
    Definition Classes
    AggregationIterator
  10. val allImperativeAggregateFunctionPositions: Array[Int]
    Attributes
    protected[this]
    Definition Classes
    AggregationIterator
  11. val allImperativeAggregateFunctions: Array[ImperativeAggregate]
    Attributes
    protected[this]
    Definition Classes
    AggregationIterator
  12. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  13. def buffered: BufferedIterator[UnsafeRow]
    Definition Classes
    Iterator
  14. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  15. def collect[B](pf: PartialFunction[UnsafeRow, B]): Iterator[B]
    Definition Classes
    Iterator
    Annotations
    @migration
    Migration

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

  16. def collectFirst[B](pf: PartialFunction[UnsafeRow, B]): Option[B]
    Definition Classes
    TraversableOnce
  17. def contains(elem: Any): Boolean
    Definition Classes
    Iterator
  18. def copyToArray[B >: UnsafeRow](xs: Array[B], start: Int, len: Int): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  19. def copyToArray[B >: UnsafeRow](xs: Array[B]): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  20. def copyToArray[B >: UnsafeRow](xs: Array[B], start: Int): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  21. def copyToBuffer[B >: UnsafeRow](dest: Buffer[B]): Unit
    Definition Classes
    TraversableOnce
  22. def corresponds[B](that: GenTraversableOnce[B])(p: (UnsafeRow, B) ⇒ Boolean): Boolean
    Definition Classes
    Iterator
  23. def count(p: (UnsafeRow) ⇒ Boolean): Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  24. def drop(n: Int): Iterator[UnsafeRow]
    Definition Classes
    Iterator
  25. def dropWhile(p: (UnsafeRow) ⇒ Boolean): Iterator[UnsafeRow]
    Definition Classes
    Iterator
  26. def duplicate: (Iterator[UnsafeRow], Iterator[UnsafeRow])
    Definition Classes
    Iterator
  27. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  28. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  29. def exists(p: (UnsafeRow) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  30. val expressionAggInitialProjection: MutableProjection
    Attributes
    protected[this]
    Definition Classes
    AggregationIterator
  31. def filter(p: (UnsafeRow) ⇒ Boolean): Iterator[UnsafeRow]
    Definition Classes
    Iterator
  32. def filterNot(p: (UnsafeRow) ⇒ Boolean): Iterator[UnsafeRow]
    Definition Classes
    Iterator
  33. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  34. def find(p: (UnsafeRow) ⇒ Boolean): Option[UnsafeRow]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  35. def flatMap[B](f: (UnsafeRow) ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  36. def fold[A1 >: UnsafeRow](z: A1)(op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  37. def foldLeft[B](z: B)(op: (B, UnsafeRow) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  38. def foldRight[B](z: B)(op: (UnsafeRow, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  39. def forall(p: (UnsafeRow) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  40. def foreach[U](f: (UnsafeRow) ⇒ U): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  41. val generateOutput: (UnsafeRow, InternalRow) ⇒ UnsafeRow
    Attributes
    protected
    Definition Classes
    AggregationIterator
  42. def generateProcessRow(expressions: Seq[AggregateExpression], functions: Seq[AggregateFunction], inputAttributes: Seq[Attribute]): (InternalRow, InternalRow) ⇒ Unit
    Attributes
    protected
    Definition Classes
    AggregationIterator
  43. def generateResultProjection(): (UnsafeRow, InternalRow) ⇒ UnsafeRow
    Attributes
    protected
    Definition Classes
    AggregationIterator
  44. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  45. def grouped[B >: UnsafeRow](size: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  46. val groupingAttributes: Seq[Attribute]
    Attributes
    protected
    Definition Classes
    AggregationIterator
  47. val groupingProjection: UnsafeProjection
    Attributes
    protected
    Definition Classes
    AggregationIterator
  48. def hasDefiniteSize: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  49. final def hasNext: Boolean
    Definition Classes
    SortBasedAggregationIterator → Iterator
  50. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  51. def indexOf[B >: UnsafeRow](elem: B, from: Int): Int
    Definition Classes
    Iterator
  52. def indexOf[B >: UnsafeRow](elem: B): Int
    Definition Classes
    Iterator
  53. def indexWhere(p: (UnsafeRow) ⇒ Boolean, from: Int): Int
    Definition Classes
    Iterator
  54. def indexWhere(p: (UnsafeRow) ⇒ Boolean): Int
    Definition Classes
    Iterator
  55. def initialize(): Unit
    Attributes
    protected
  56. def initializeAggregateFunctions(expressions: Seq[AggregateExpression], startingInputBufferOffset: Int): Array[AggregateFunction]
    Attributes
    protected
    Definition Classes
    AggregationIterator
  57. def initializeBuffer(buffer: InternalRow): Unit

    Initializes buffer values for all aggregate functions.

    Initializes buffer values for all aggregate functions.

    Attributes
    protected
    Definition Classes
    AggregationIterator
  58. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  59. def initializeLogIfNecessary(isInterpreter: Boolean): Unit
    Attributes
    protected
    Definition Classes
    Logging
  60. def isEmpty: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  61. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  62. def isTraceEnabled(): Boolean
    Attributes
    protected
    Definition Classes
    Logging
  63. def isTraversableAgain: Boolean
    Definition Classes
    Iterator → GenTraversableOnce
  64. def length: Int
    Definition Classes
    Iterator
  65. def log: Logger
    Attributes
    protected
    Definition Classes
    Logging
  66. def logDebug(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  67. def logDebug(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  68. def logError(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  69. def logError(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  70. def logInfo(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  71. def logInfo(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  72. def logName: String
    Attributes
    protected
    Definition Classes
    Logging
  73. def logTrace(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  74. def logTrace(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  75. def logWarning(msg: ⇒ String, throwable: Throwable): Unit
    Attributes
    protected
    Definition Classes
    Logging
  76. def logWarning(msg: ⇒ String): Unit
    Attributes
    protected
    Definition Classes
    Logging
  77. def map[B](f: (UnsafeRow) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  78. def max[B >: UnsafeRow](implicit cmp: Ordering[B]): UnsafeRow
    Definition Classes
    TraversableOnce → GenTraversableOnce
  79. def maxBy[B](f: (UnsafeRow) ⇒ B)(implicit cmp: Ordering[B]): UnsafeRow
    Definition Classes
    TraversableOnce → GenTraversableOnce
  80. def min[B >: UnsafeRow](implicit cmp: Ordering[B]): UnsafeRow
    Definition Classes
    TraversableOnce → GenTraversableOnce
  81. def minBy[B](f: (UnsafeRow) ⇒ B)(implicit cmp: Ordering[B]): UnsafeRow
    Definition Classes
    TraversableOnce → GenTraversableOnce
  82. def mkString: String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  83. def mkString(sep: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  84. def mkString(start: String, sep: String, end: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  85. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  86. final def next(): UnsafeRow
    Definition Classes
    SortBasedAggregationIterator → Iterator
  87. def nonEmpty: Boolean
    Definition Classes
    TraversableOnce → GenTraversableOnce
  88. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  89. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  90. def outputForEmptyGroupingKeyWithoutInput(): UnsafeRow
  91. def padTo[A1 >: UnsafeRow](len: Int, elem: A1): Iterator[A1]
    Definition Classes
    Iterator
  92. def partition(p: (UnsafeRow) ⇒ Boolean): (Iterator[UnsafeRow], Iterator[UnsafeRow])
    Definition Classes
    Iterator
  93. def patch[B >: UnsafeRow](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]
    Definition Classes
    Iterator
  94. def processCurrentSortedGroup(): Unit

    Processes rows in the current group.

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

    Attributes
    protected
  95. val processRow: (InternalRow, InternalRow) ⇒ Unit
    Attributes
    protected
    Definition Classes
    AggregationIterator
  96. def product[B >: UnsafeRow](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  97. def reduce[A1 >: UnsafeRow](op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  98. def reduceLeft[B >: UnsafeRow](op: (B, UnsafeRow) ⇒ B): B
    Definition Classes
    TraversableOnce
  99. def reduceLeftOption[B >: UnsafeRow](op: (B, UnsafeRow) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  100. def reduceOption[A1 >: UnsafeRow](op: (A1, A1) ⇒ A1): Option[A1]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  101. def reduceRight[B >: UnsafeRow](op: (UnsafeRow, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  102. def reduceRightOption[B >: UnsafeRow](op: (UnsafeRow, B) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  103. def reversed: List[UnsafeRow]
    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  104. def sameElements(that: Iterator[_]): Boolean
    Definition Classes
    Iterator
  105. def scanLeft[B](z: B)(op: (B, UnsafeRow) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  106. def scanRight[B](z: B)(op: (UnsafeRow, B) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  107. def seq: Iterator[UnsafeRow]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  108. def size: Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  109. def sizeHintIfCheap: Int
    Attributes
    protected[collection]
    Definition Classes
    GenTraversableOnce
  110. def slice(from: Int, until: Int): Iterator[UnsafeRow]
    Definition Classes
    Iterator
  111. def sliceIterator(from: Int, until: Int): Iterator[UnsafeRow]
    Attributes
    protected
    Definition Classes
    Iterator
  112. def sliding[B >: UnsafeRow](size: Int, step: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  113. def span(p: (UnsafeRow) ⇒ Boolean): (Iterator[UnsafeRow], Iterator[UnsafeRow])
    Definition Classes
    Iterator
  114. def sum[B >: UnsafeRow](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  115. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  116. def take(n: Int): Iterator[UnsafeRow]
    Definition Classes
    Iterator
  117. def takeWhile(p: (UnsafeRow) ⇒ Boolean): Iterator[UnsafeRow]
    Definition Classes
    Iterator
  118. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, UnsafeRow, Col[UnsafeRow]]): Col[UnsafeRow]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  119. def toArray[B >: UnsafeRow](implicit arg0: ClassTag[B]): Array[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  120. def toBuffer[B >: UnsafeRow]: Buffer[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  121. def toIndexedSeq: IndexedSeq[UnsafeRow]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  122. def toIterable: Iterable[UnsafeRow]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  123. def toIterator: Iterator[UnsafeRow]
    Definition Classes
    Iterator → GenTraversableOnce
  124. def toList: List[UnsafeRow]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  125. def toMap[T, U](implicit ev: <:<[UnsafeRow, (T, U)]): Map[T, U]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  126. def toSeq: Seq[UnsafeRow]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  127. def toSet[B >: UnsafeRow]: Set[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  128. def toStream: Stream[UnsafeRow]
    Definition Classes
    Iterator → GenTraversableOnce
  129. def toString(): String
    Definition Classes
    Iterator → AnyRef → Any
  130. def toTraversable: Traversable[UnsafeRow]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  131. def toVector: Vector[UnsafeRow]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  132. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  133. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  134. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  135. def withFilter(p: (UnsafeRow) ⇒ Boolean): Iterator[UnsafeRow]
    Definition Classes
    Iterator
  136. def zip[B](that: Iterator[B]): Iterator[(UnsafeRow, B)]
    Definition Classes
    Iterator
  137. def zipAll[B, A1 >: UnsafeRow, B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]
    Definition Classes
    Iterator
  138. def zipWithIndex: Iterator[(UnsafeRow, Int)]
    Definition Classes
    Iterator

Deprecated Value Members

  1. def /:[B](z: B)(op: (B, UnsafeRow) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.12.10) Use foldLeft instead of /:

  2. def :\[B](z: B)(op: (UnsafeRow, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
    Annotations
    @deprecated
    Deprecated

    (Since version 2.12.10) Use foldRight instead of :\

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