Packages

c

com.nvidia.spark

CurrentBatchIterator

abstract class CurrentBatchIterator extends Iterator[ColumnarBatch] with AutoCloseable

Linear Supertypes
AutoCloseable, Iterator[ColumnarBatch], TraversableOnce[ColumnarBatch], GenTraversableOnce[ColumnarBatch], AnyRef, Any
Known Subclasses
ShimCurrentBatchIterator
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Inherited
  1. CurrentBatchIterator
  2. AutoCloseable
  3. Iterator
  4. TraversableOnce
  5. GenTraversableOnce
  6. AnyRef
  7. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new CurrentBatchIterator(parquetCachedBatch: ParquetCachedBatch, conf: SQLConf, selectedAttributes: Seq[Attribute], options: ParquetReadOptions, hadoopConf: Configuration)

Type Members

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

Abstract Value Members

  1. abstract def checkEndOfRowGroup(): Unit
    Annotations
    @throws( ... )
  2. abstract def nextBatch: Boolean

    Read the next RowGroup and read each column and return the columnarBatch

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. def ++[B >: ColumnarBatch](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, ColumnarBatch) ⇒ B, combop: (B, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  9. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  10. def buffered: BufferedIterator[ColumnarBatch]
    Definition Classes
    Iterator
  11. val cacheSchemaToReqSchemaMap: Map[Int, Int]
  12. val capacity: Int
  13. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  14. def close(): Unit
    Definition Classes
    CurrentBatchIterator → AutoCloseable
  15. def collect[B](pf: PartialFunction[ColumnarBatch, 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[ColumnarBatch, B]): Option[B]
    Definition Classes
    TraversableOnce
  17. val columnarBatch: ColumnarBatch
  18. def contains(elem: Any): Boolean
    Definition Classes
    Iterator
  19. def copyToArray[B >: ColumnarBatch](xs: Array[B], start: Int, len: Int): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  20. def copyToArray[B >: ColumnarBatch](xs: Array[B]): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  21. def copyToArray[B >: ColumnarBatch](xs: Array[B], start: Int): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  22. def copyToBuffer[B >: ColumnarBatch](dest: Buffer[B]): Unit
    Definition Classes
    TraversableOnce
  23. def corresponds[B](that: GenTraversableOnce[B])(p: (ColumnarBatch, B) ⇒ Boolean): Boolean
    Definition Classes
    Iterator
  24. def count(p: (ColumnarBatch) ⇒ Boolean): Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  25. def drop(n: Int): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  26. def dropWhile(p: (ColumnarBatch) ⇒ Boolean): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  27. def duplicate: (Iterator[ColumnarBatch], Iterator[ColumnarBatch])
    Definition Classes
    Iterator
  28. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  29. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  30. def exists(p: (ColumnarBatch) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  31. def filter(p: (ColumnarBatch) ⇒ Boolean): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  32. def filterNot(p: (ColumnarBatch) ⇒ Boolean): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  33. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  34. def find(p: (ColumnarBatch) ⇒ Boolean): Option[ColumnarBatch]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  35. def flatMap[B](f: (ColumnarBatch) ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  36. def fold[A1 >: ColumnarBatch](z: A1)(op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  37. def foldLeft[B](z: B)(op: (B, ColumnarBatch) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  38. def foldRight[B](z: B)(op: (ColumnarBatch, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  39. def forall(p: (ColumnarBatch) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  40. def foreach[U](f: (ColumnarBatch) ⇒ U): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  41. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  42. def grouped[B >: ColumnarBatch](size: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  43. def hasDefiniteSize: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  44. def hasNext: Boolean
    Definition Classes
    CurrentBatchIterator → Iterator
  45. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  46. val inMemCacheParquetSchema: MessageType
  47. val inMemCacheSparkSchema: StructType
  48. val inMemReqSparkSchema: StructType
  49. def indexOf[B >: ColumnarBatch](elem: B, from: Int): Int
    Definition Classes
    Iterator
  50. def indexOf[B >: ColumnarBatch](elem: B): Int
    Definition Classes
    Iterator
  51. def indexWhere(p: (ColumnarBatch) ⇒ Boolean, from: Int): Int
    Definition Classes
    Iterator
  52. def indexWhere(p: (ColumnarBatch) ⇒ Boolean): Int
    Definition Classes
    Iterator
  53. def isEmpty: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  54. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  55. def isTraversableAgain: Boolean
    Definition Classes
    Iterator → GenTraversableOnce
  56. def length: Int
    Definition Classes
    Iterator
  57. def map[B](f: (ColumnarBatch) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  58. def max[B >: ColumnarBatch](implicit cmp: Ordering[B]): ColumnarBatch
    Definition Classes
    TraversableOnce → GenTraversableOnce
  59. def maxBy[B](f: (ColumnarBatch) ⇒ B)(implicit cmp: Ordering[B]): ColumnarBatch
    Definition Classes
    TraversableOnce → GenTraversableOnce
  60. def min[B >: ColumnarBatch](implicit cmp: Ordering[B]): ColumnarBatch
    Definition Classes
    TraversableOnce → GenTraversableOnce
  61. def minBy[B](f: (ColumnarBatch) ⇒ B)(implicit cmp: Ordering[B]): ColumnarBatch
    Definition Classes
    TraversableOnce → GenTraversableOnce
  62. def mkString: String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  63. def mkString(sep: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  64. def mkString(start: String, sep: String, end: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  65. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  66. def next(): ColumnarBatch
    Definition Classes
    CurrentBatchIterator → Iterator
  67. def nonEmpty: Boolean
    Definition Classes
    TraversableOnce → GenTraversableOnce
  68. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  69. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  70. def padTo[A1 >: ColumnarBatch](len: Int, elem: A1): Iterator[A1]
    Definition Classes
    Iterator
  71. val parquetCachedBatch: ParquetCachedBatch
  72. val parquetFileReader: ParquetFileReader
  73. val parquetToSparkSchemaConverter: ParquetToSparkSchemaConverter
  74. def partition(p: (ColumnarBatch) ⇒ Boolean): (Iterator[ColumnarBatch], Iterator[ColumnarBatch])
    Definition Classes
    Iterator
  75. def patch[B >: ColumnarBatch](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]
    Definition Classes
    Iterator
  76. def product[B >: ColumnarBatch](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  77. def reduce[A1 >: ColumnarBatch](op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  78. def reduceLeft[B >: ColumnarBatch](op: (B, ColumnarBatch) ⇒ B): B
    Definition Classes
    TraversableOnce
  79. def reduceLeftOption[B >: ColumnarBatch](op: (B, ColumnarBatch) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  80. def reduceOption[A1 >: ColumnarBatch](op: (A1, A1) ⇒ A1): Option[A1]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  81. def reduceRight[B >: ColumnarBatch](op: (ColumnarBatch, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  82. def reduceRightOption[B >: ColumnarBatch](op: (ColumnarBatch, B) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  83. val reqParquetSchemaInCacheOrder: MessageType
  84. val reqSparkSchemaInCacheOrder: StructType
  85. def reversed: List[ColumnarBatch]
    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  86. var rowsReturned: Long
  87. def sameElements(that: Iterator[_]): Boolean
    Definition Classes
    Iterator
  88. def scanLeft[B](z: B)(op: (B, ColumnarBatch) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  89. def scanRight[B](z: B)(op: (ColumnarBatch, B) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  90. def seq: Iterator[ColumnarBatch]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  91. def size: Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  92. def sizeHintIfCheap: Int
    Attributes
    protected[collection]
    Definition Classes
    GenTraversableOnce
  93. def slice(from: Int, until: Int): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  94. def sliceIterator(from: Int, until: Int): Iterator[ColumnarBatch]
    Attributes
    protected
    Definition Classes
    Iterator
  95. def sliding[B >: ColumnarBatch](size: Int, step: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  96. def span(p: (ColumnarBatch) ⇒ Boolean): (Iterator[ColumnarBatch], Iterator[ColumnarBatch])
    Definition Classes
    Iterator
  97. def sum[B >: ColumnarBatch](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  98. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  99. def take(n: Int): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  100. def takeWhile(p: (ColumnarBatch) ⇒ Boolean): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  101. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, ColumnarBatch, Col[ColumnarBatch]]): Col[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  102. def toArray[B >: ColumnarBatch](implicit arg0: ClassTag[B]): Array[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  103. def toBuffer[B >: ColumnarBatch]: Buffer[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  104. def toIndexedSeq: IndexedSeq[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  105. def toIterable: Iterable[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  106. def toIterator: Iterator[ColumnarBatch]
    Definition Classes
    Iterator → GenTraversableOnce
  107. def toList: List[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  108. def toMap[T, U](implicit ev: <:<[ColumnarBatch, (T, U)]): Map[T, U]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  109. def toSeq: Seq[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  110. def toSet[B >: ColumnarBatch]: Set[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  111. def toStream: Stream[ColumnarBatch]
    Definition Classes
    Iterator → GenTraversableOnce
  112. def toString(): String
    Definition Classes
    Iterator → AnyRef → Any
  113. def toTraversable: Traversable[ColumnarBatch]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  114. def toVector: Vector[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  115. var totalCountLoadedSoFar: Long
  116. val totalRowCount: Long
  117. val vectors: Array[OffHeapColumnVector]
  118. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  119. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  120. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  121. def withFilter(p: (ColumnarBatch) ⇒ Boolean): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  122. val writerVersion: ParsedVersion
  123. def zip[B](that: Iterator[B]): Iterator[(ColumnarBatch, B)]
    Definition Classes
    Iterator
  124. def zipAll[B, A1 >: ColumnarBatch, B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]
    Definition Classes
    Iterator
  125. def zipWithIndex: Iterator[(ColumnarBatch, Int)]
    Definition Classes
    Iterator

Deprecated Value Members

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

    (Since version 2.12.10) Use foldLeft instead of /:

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

    (Since version 2.12.10) Use foldRight instead of :\

Inherited from AutoCloseable

Inherited from Iterator[ColumnarBatch]

Inherited from TraversableOnce[ColumnarBatch]

Inherited from GenTraversableOnce[ColumnarBatch]

Inherited from AnyRef

Inherited from Any

Ungrouped