com.databricks.spark.sql.readers

BulkCsvReader

Related Doc: package readers

class BulkCsvReader extends CsvReader with Iterator[Array[String]]

Parser for parsing lines in bulk. Use this when efficiency is desired.

Linear Supertypes
Iterator[Array[String]], TraversableOnce[Array[String]], GenTraversableOnce[Array[String]], CsvReader, AnyRef, Any
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Inherited
  1. BulkCsvReader
  2. Iterator
  3. TraversableOnce
  4. GenTraversableOnce
  5. CsvReader
  6. AnyRef
  7. Any
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Instance Constructors

  1. new BulkCsvReader(iter: Iterator[String], split: Int, fieldSep: Char = ',', lineSep: String = "\n", quote: Char = '"', escape: Char = '\\', commentMarker: Char = '#', ignoreLeadingSpace: Boolean = true, ignoreTrailingSpace: Boolean = true, headers: Seq[String], inputBufSize: Int = 128, maxCols: Int = 20480)

    iter

    iterator over lines in the file

    fieldSep

    the delimiter used to separate fields in a line

    lineSep

    the delimiter used to separate lines

    quote

    character used to quote fields

    escape

    character used to escape the quote character

    ignoreLeadingSpace

    ignore white space before a field

    ignoreTrailingSpace

    ignore white space after a field

    headers

    headers for the columns

    inputBufSize

    size of buffer to use for parsing input, tune for performance

    maxCols

    maximum number of columns allowed, for safety against bad inputs

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 >: Array[String]](that: ⇒ GenTraversableOnce[B]): Iterator[B]

    Definition Classes
    Iterator

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

    Definition Classes
    TraversableOnce → GenTraversableOnce

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

    Definition Classes
    TraversableOnce → GenTraversableOnce

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

    Definition Classes
    AnyRef → Any

  7. def addString(b: StringBuilder): StringBuilder

    Definition Classes
    TraversableOnce

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

    Definition Classes
    TraversableOnce

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

    Definition Classes
    TraversableOnce

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

    Definition Classes
    TraversableOnce → GenTraversableOnce

  11. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  12. def buffered: BufferedIterator[Array[String]]

    Definition Classes
    Iterator

  13. def clone(): AnyRef

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

  14. def collect[B](pf: PartialFunction[Array[String], 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.

  15. def collectFirst[B](pf: PartialFunction[Array[String], B]): Option[B]

    Definition Classes
    TraversableOnce

  16. def contains(elem: Any): Boolean

    Definition Classes
    Iterator

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

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  18. def copyToArray[B >: Array[String]](xs: Array[B]): Unit

    Definition Classes
    TraversableOnce → GenTraversableOnce

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

    Definition Classes
    TraversableOnce → GenTraversableOnce

  20. def copyToBuffer[B >: Array[String]](dest: Buffer[B]): Unit

    Definition Classes
    TraversableOnce

  21. def corresponds[B](that: GenTraversableOnce[B])(p: (Array[String], B) ⇒ Boolean): Boolean

    Definition Classes
    Iterator

  22. def count(p: (Array[String]) ⇒ Boolean): Int

    Definition Classes
    TraversableOnce → GenTraversableOnce

  23. def drop(n: Int): Iterator[Array[String]]

    Definition Classes
    Iterator

  24. def dropWhile(p: (Array[String]) ⇒ Boolean): Iterator[Array[String]]

    Definition Classes
    Iterator

  25. def duplicate: (Iterator[Array[String]], Iterator[Array[String]])

    Definition Classes
    Iterator

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

    Definition Classes
    AnyRef

  27. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  28. def exists(p: (Array[String]) ⇒ Boolean): Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  29. def filter(p: (Array[String]) ⇒ Boolean): Iterator[Array[String]]

    Definition Classes
    Iterator

  30. def filterNot(p: (Array[String]) ⇒ Boolean): Iterator[Array[String]]

    Definition Classes
    Iterator

  31. def finalize(): Unit

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

  32. def find(p: (Array[String]) ⇒ Boolean): Option[Array[String]]

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  33. def flatMap[B](f: (Array[String]) ⇒ GenTraversableOnce[B]): Iterator[B]

    Definition Classes
    Iterator

  34. def fold[A1 >: Array[String]](z: A1)(op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce

  35. def foldLeft[B](z: B)(op: (B, Array[String]) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  36. def foldRight[B](z: B)(op: (Array[String], B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  37. def forall(p: (Array[String]) ⇒ Boolean): Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  38. def foreach[U](f: (Array[String]) ⇒ U): Unit

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

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

    Definition Classes
    AnyRef → Any

  40. def grouped[B >: Array[String]](size: Int): GroupedIterator[B]

    Definition Classes
    Iterator

  41. def hasDefiniteSize: Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  42. def hasNext: Boolean

    Definition Classes
    BulkCsvReader → Iterator

  43. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  44. def indexOf[B >: Array[String]](elem: B): Int

    Definition Classes
    Iterator

  45. def indexWhere(p: (Array[String]) ⇒ Boolean): Int

    Definition Classes
    Iterator

  46. def isEmpty: Boolean

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  47. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  48. def isTraversableAgain: Boolean

    Definition Classes
    Iterator → GenTraversableOnce

  49. def length: Int

    Definition Classes
    Iterator

  50. def map[B](f: (Array[String]) ⇒ B): Iterator[B]

    Definition Classes
    Iterator

  51. def max[B >: Array[String]](implicit cmp: Ordering[B]): Array[String]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  52. def maxBy[B](f: (Array[String]) ⇒ B)(implicit cmp: Ordering[B]): Array[String]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  53. def min[B >: Array[String]](implicit cmp: Ordering[B]): Array[String]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  54. def minBy[B](f: (Array[String]) ⇒ B)(implicit cmp: Ordering[B]): Array[String]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  55. def mkString: String

    Definition Classes
    TraversableOnce → GenTraversableOnce

  56. def mkString(sep: String): String

    Definition Classes
    TraversableOnce → GenTraversableOnce

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

    Definition Classes
    TraversableOnce → GenTraversableOnce

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

    Definition Classes
    AnyRef

  59. def next(): Array[String]

    get the next parsed line.

    get the next parsed line.

    returns

    array of strings where each string is a field in the CSV record

    Definition Classes
    BulkCsvReader → Iterator

  60. def nonEmpty: Boolean

    Definition Classes
    TraversableOnce → GenTraversableOnce

  61. final def notify(): Unit

    Definition Classes
    AnyRef

  62. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  63. def padTo[A1 >: Array[String]](len: Int, elem: A1): Iterator[A1]

    Definition Classes
    Iterator

  64. lazy val parser: CsvParser

    Definition Classes
    CsvReader

  65. def partition(p: (Array[String]) ⇒ Boolean): (Iterator[Array[String]], Iterator[Array[String]])

    Definition Classes
    Iterator

  66. def patch[B >: Array[String]](from: Int, patchElems: Iterator[B], replaced: Int): Iterator[B]

    Definition Classes
    Iterator

  67. def product[B >: Array[String]](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  68. def reduce[A1 >: Array[String]](op: (A1, A1) ⇒ A1): A1

    Definition Classes
    TraversableOnce → GenTraversableOnce

  69. def reduceLeft[B >: Array[String]](op: (B, Array[String]) ⇒ B): B

    Definition Classes
    TraversableOnce

  70. def reduceLeftOption[B >: Array[String]](op: (B, Array[String]) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  71. def reduceOption[A1 >: Array[String]](op: (A1, A1) ⇒ A1): Option[A1]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  72. def reduceRight[B >: Array[String]](op: (Array[String], B) ⇒ B): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

  73. def reduceRightOption[B >: Array[String]](op: (Array[String], B) ⇒ B): Option[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  74. def reversed: List[Array[String]]

    Attributes
    protected[this]
    Definition Classes
    TraversableOnce

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

    Definition Classes
    Iterator

  76. def scanLeft[B](z: B)(op: (B, Array[String]) ⇒ B): Iterator[B]

    Definition Classes
    Iterator

  77. def scanRight[B](z: B)(op: (Array[String], B) ⇒ B): Iterator[B]

    Definition Classes
    Iterator

  78. def seq: Iterator[Array[String]]

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  79. def size: Int

    Definition Classes
    TraversableOnce → GenTraversableOnce

  80. def slice(from: Int, until: Int): Iterator[Array[String]]

    Definition Classes
    Iterator

  81. def sliding[B >: Array[String]](size: Int, step: Int): GroupedIterator[B]

    Definition Classes
    Iterator

  82. def span(p: (Array[String]) ⇒ Boolean): (Iterator[Array[String]], Iterator[Array[String]])

    Definition Classes
    Iterator

  83. def sum[B >: Array[String]](implicit num: Numeric[B]): B

    Definition Classes
    TraversableOnce → GenTraversableOnce

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

    Definition Classes
    AnyRef

  85. def take(n: Int): Iterator[Array[String]]

    Definition Classes
    Iterator

  86. def takeWhile(p: (Array[String]) ⇒ Boolean): Iterator[Array[String]]

    Definition Classes
    Iterator

  87. def to[Col[_]](implicit cbf: CanBuildFrom[Nothing, Array[String], Col[Array[String]]]): Col[Array[String]]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  88. def toArray[B >: Array[String]](implicit arg0: ClassTag[B]): Array[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  89. def toBuffer[B >: Array[String]]: Buffer[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  90. def toIndexedSeq: IndexedSeq[Array[String]]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  91. def toIterable: Iterable[Array[String]]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  92. def toIterator: Iterator[Array[String]]

    Definition Classes
    Iterator → GenTraversableOnce

  93. def toList: List[Array[String]]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  94. def toMap[T, U](implicit ev: <:<[Array[String], (T, U)]): Map[T, U]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  95. def toSeq: Seq[Array[String]]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  96. def toSet[B >: Array[String]]: Set[B]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  97. def toStream: Stream[Array[String]]

    Definition Classes
    Iterator → GenTraversableOnce

  98. def toString(): String

    Definition Classes
    Iterator → AnyRef → Any

  99. def toTraversable: Traversable[Array[String]]

    Definition Classes
    Iterator → TraversableOnce → GenTraversableOnce

  100. def toVector: Vector[Array[String]]

    Definition Classes
    TraversableOnce → GenTraversableOnce

  101. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  104. def withFilter(p: (Array[String]) ⇒ Boolean): Iterator[Array[String]]

    Definition Classes
    Iterator

  105. def zip[B](that: Iterator[B]): Iterator[(Array[String], B)]

    Definition Classes
    Iterator

  106. def zipAll[B, A1 >: Array[String], B1 >: B](that: Iterator[B], thisElem: A1, thatElem: B1): Iterator[(A1, B1)]

    Definition Classes
    Iterator

  107. def zipWithIndex: Iterator[(Array[String], Int)]

    Definition Classes
    Iterator

Inherited from Iterator[Array[String]]

Inherited from TraversableOnce[Array[String]]

Inherited from GenTraversableOnce[Array[String]]

Inherited from CsvReader

Inherited from AnyRef

Inherited from Any

Ungrouped