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org.apache.spark.sql.execution.datasources.parquet

ShimCurrentBatchIterator

class ShimCurrentBatchIterator extends CurrentBatchIterator

This class takes a lot of the logic from org.apache/spark/sql/execution/datasources/parquet/VectorizedParquetRecordReader.java

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

Instance Constructors

  1. new ShimCurrentBatchIterator(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

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]
    Definition Classes
    CurrentBatchIterator
  12. val capacity: Int
    Definition Classes
    CurrentBatchIterator
  13. def checkEndOfRowGroup(): Unit
    Definition Classes
    ShimCurrentBatchIterator → CurrentBatchIterator
    Annotations
    @throws( ... )
  14. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native() @HotSpotIntrinsicCandidate()
  15. def close(): Unit
    Definition Classes
    CurrentBatchIterator → AutoCloseable
  16. 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.

  17. def collectFirst[B](pf: PartialFunction[ColumnarBatch, B]): Option[B]
    Definition Classes
    TraversableOnce
  18. var columnReaders: Array[VectorizedColumnReader]
  19. val columnarBatch: ColumnarBatch
    Definition Classes
    CurrentBatchIterator
  20. val columnsInCache: List[ColumnDescriptor]
  21. val columnsRequested: List[ColumnDescriptor]
  22. def contains(elem: Any): Boolean
    Definition Classes
    Iterator
  23. def copyToArray[B >: ColumnarBatch](xs: Array[B], start: Int, len: Int): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  24. def copyToArray[B >: ColumnarBatch](xs: Array[B]): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  25. def copyToArray[B >: ColumnarBatch](xs: Array[B], start: Int): Unit
    Definition Classes
    TraversableOnce → GenTraversableOnce
  26. def copyToBuffer[B >: ColumnarBatch](dest: Buffer[B]): Unit
    Definition Classes
    TraversableOnce
  27. def corresponds[B](that: GenTraversableOnce[B])(p: (ColumnarBatch, B) ⇒ Boolean): Boolean
    Definition Classes
    Iterator
  28. def count(p: (ColumnarBatch) ⇒ Boolean): Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  29. def drop(n: Int): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  30. def dropWhile(p: (ColumnarBatch) ⇒ Boolean): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  31. def duplicate: (Iterator[ColumnarBatch], Iterator[ColumnarBatch])
    Definition Classes
    Iterator
  32. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  33. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  34. def exists(p: (ColumnarBatch) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  35. def filter(p: (ColumnarBatch) ⇒ Boolean): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  36. def filterNot(p: (ColumnarBatch) ⇒ Boolean): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  37. def find(p: (ColumnarBatch) ⇒ Boolean): Option[ColumnarBatch]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  38. def flatMap[B](f: (ColumnarBatch) ⇒ GenTraversableOnce[B]): Iterator[B]
    Definition Classes
    Iterator
  39. def fold[A1 >: ColumnarBatch](z: A1)(op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  40. def foldLeft[B](z: B)(op: (B, ColumnarBatch) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  41. def foldRight[B](z: B)(op: (ColumnarBatch, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  42. def forall(p: (ColumnarBatch) ⇒ Boolean): Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  43. def foreach[U](f: (ColumnarBatch) ⇒ U): Unit
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  44. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  45. def grouped[B >: ColumnarBatch](size: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  46. def hasDefiniteSize: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  47. def hasNext: Boolean
    Definition Classes
    ShimCurrentBatchIterator → CurrentBatchIterator → Iterator
  48. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  49. val inMemCacheParquetSchema: MessageType
    Definition Classes
    CurrentBatchIterator
  50. val inMemCacheSparkSchema: StructType
    Definition Classes
    CurrentBatchIterator
  51. val inMemReqSparkSchema: StructType
    Definition Classes
    CurrentBatchIterator
  52. def indexOf[B >: ColumnarBatch](elem: B, from: Int): Int
    Definition Classes
    Iterator
  53. def indexOf[B >: ColumnarBatch](elem: B): Int
    Definition Classes
    Iterator
  54. def indexWhere(p: (ColumnarBatch) ⇒ Boolean, from: Int): Int
    Definition Classes
    Iterator
  55. def indexWhere(p: (ColumnarBatch) ⇒ Boolean): Int
    Definition Classes
    Iterator
  56. def isEmpty: Boolean
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  57. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  58. def isTraversableAgain: Boolean
    Definition Classes
    Iterator → GenTraversableOnce
  59. def length: Int
    Definition Classes
    Iterator
  60. def map[B](f: (ColumnarBatch) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  61. def max[B >: ColumnarBatch](implicit cmp: Ordering[B]): ColumnarBatch
    Definition Classes
    TraversableOnce → GenTraversableOnce
  62. def maxBy[B](f: (ColumnarBatch) ⇒ B)(implicit cmp: Ordering[B]): ColumnarBatch
    Definition Classes
    TraversableOnce → GenTraversableOnce
  63. def min[B >: ColumnarBatch](implicit cmp: Ordering[B]): ColumnarBatch
    Definition Classes
    TraversableOnce → GenTraversableOnce
  64. def minBy[B](f: (ColumnarBatch) ⇒ B)(implicit cmp: Ordering[B]): ColumnarBatch
    Definition Classes
    TraversableOnce → GenTraversableOnce
  65. val missingColumns: Array[Boolean]
  66. def mkString: String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  67. def mkString(sep: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  68. def mkString(start: String, sep: String, end: String): String
    Definition Classes
    TraversableOnce → GenTraversableOnce
  69. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  70. def next(): ColumnarBatch
    Definition Classes
    CurrentBatchIterator → Iterator
  71. def nextBatch: Boolean

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

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

    Definition Classes
    ShimCurrentBatchIterator → CurrentBatchIterator
  72. def nonEmpty: Boolean
    Definition Classes
    TraversableOnce → GenTraversableOnce
  73. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  74. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  75. def padTo[A1 >: ColumnarBatch](len: Int, elem: A1): Iterator[A1]
    Definition Classes
    Iterator
  76. val parquetCachedBatch: ParquetCachedBatch
    Definition Classes
    CurrentBatchIterator
  77. val parquetFileReader: ParquetFileReader
    Definition Classes
    CurrentBatchIterator
  78. val parquetToSparkSchemaConverter: ParquetToSparkSchemaConverter
    Definition Classes
    CurrentBatchIterator
  79. def partition(p: (ColumnarBatch) ⇒ Boolean): (Iterator[ColumnarBatch], Iterator[ColumnarBatch])
    Definition Classes
    Iterator
  80. def patch[B >: ColumnarBatch](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]
    Definition Classes
    Iterator
  81. val paths: List[Array[String]]
  82. def product[B >: ColumnarBatch](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  83. def reduce[A1 >: ColumnarBatch](op: (A1, A1) ⇒ A1): A1
    Definition Classes
    TraversableOnce → GenTraversableOnce
  84. def reduceLeft[B >: ColumnarBatch](op: (B, ColumnarBatch) ⇒ B): B
    Definition Classes
    TraversableOnce
  85. def reduceLeftOption[B >: ColumnarBatch](op: (B, ColumnarBatch) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  86. def reduceOption[A1 >: ColumnarBatch](op: (A1, A1) ⇒ A1): Option[A1]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  87. def reduceRight[B >: ColumnarBatch](op: (ColumnarBatch, B) ⇒ B): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  88. def reduceRightOption[B >: ColumnarBatch](op: (ColumnarBatch, B) ⇒ B): Option[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  89. val reqParquetSchemaInCacheOrder: MessageType
    Definition Classes
    CurrentBatchIterator
  90. val reqSparkSchemaInCacheOrder: StructType
    Definition Classes
    CurrentBatchIterator
  91. def reversed: List[ColumnarBatch]
    Attributes
    protected[this]
    Definition Classes
    TraversableOnce
  92. var rowsReturned: Long
    Definition Classes
    CurrentBatchIterator
  93. def sameElements(that: Iterator[_]): Boolean
    Definition Classes
    Iterator
  94. def scanLeft[B](z: B)(op: (B, ColumnarBatch) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  95. def scanRight[B](z: B)(op: (ColumnarBatch, B) ⇒ B): Iterator[B]
    Definition Classes
    Iterator
  96. def seq: Iterator[ColumnarBatch]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  97. def size: Int
    Definition Classes
    TraversableOnce → GenTraversableOnce
  98. def sizeHintIfCheap: Int
    Attributes
    protected[collection]
    Definition Classes
    GenTraversableOnce
  99. def slice(from: Int, until: Int): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  100. def sliceIterator(from: Int, until: Int): Iterator[ColumnarBatch]
    Attributes
    protected
    Definition Classes
    Iterator
  101. def sliding[B >: ColumnarBatch](size: Int, step: Int): GroupedIterator[B]
    Definition Classes
    Iterator
  102. def span(p: (ColumnarBatch) ⇒ Boolean): (Iterator[ColumnarBatch], Iterator[ColumnarBatch])
    Definition Classes
    Iterator
  103. def sum[B >: ColumnarBatch](implicit num: Numeric[B]): B
    Definition Classes
    TraversableOnce → GenTraversableOnce
  104. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  105. def take(n: Int): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  106. def takeWhile(p: (ColumnarBatch) ⇒ Boolean): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  107. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, ColumnarBatch, Col[ColumnarBatch]]): Col[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  108. def toArray[B >: ColumnarBatch](implicit arg0: ClassTag[B]): Array[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  109. def toBuffer[B >: ColumnarBatch]: Buffer[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  110. def toIndexedSeq: IndexedSeq[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  111. def toIterable: Iterable[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  112. def toIterator: Iterator[ColumnarBatch]
    Definition Classes
    Iterator → GenTraversableOnce
  113. def toList: List[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  114. def toMap[T, U](implicit ev: <:<[ColumnarBatch, (T, U)]): Map[T, U]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  115. def toSeq: Seq[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  116. def toSet[B >: ColumnarBatch]: Set[B]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  117. def toStream: Stream[ColumnarBatch]
    Definition Classes
    Iterator → GenTraversableOnce
  118. def toString(): String
    Definition Classes
    Iterator → AnyRef → Any
  119. def toTraversable: Traversable[ColumnarBatch]
    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce
  120. def toVector: Vector[ColumnarBatch]
    Definition Classes
    TraversableOnce → GenTraversableOnce
  121. var totalCountLoadedSoFar: Long
    Definition Classes
    CurrentBatchIterator
  122. val totalRowCount: Long
    Definition Classes
    CurrentBatchIterator
  123. val typesInCache: List[Type]
  124. val vectors: Array[OffHeapColumnVector]
    Definition Classes
    CurrentBatchIterator
  125. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  126. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  127. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  128. def withFilter(p: (ColumnarBatch) ⇒ Boolean): Iterator[ColumnarBatch]
    Definition Classes
    Iterator
  129. val writerVersion: ParsedVersion
    Definition Classes
    CurrentBatchIterator
  130. def zip[B](that: Iterator[B]): Iterator[(ColumnarBatch, B)]
    Definition Classes
    Iterator
  131. def zipAll[B, A1 >: ColumnarBatch, B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]
    Definition Classes
    Iterator
  132. 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 :\

  3. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] ) @Deprecated
    Deprecated

Inherited from CurrentBatchIterator

Inherited from AutoCloseable

Inherited from Iterator[ColumnarBatch]

Inherited from TraversableOnce[ColumnarBatch]

Inherited from GenTraversableOnce[ColumnarBatch]

Inherited from AnyRef

Inherited from Any

Ungrouped