Packages

  • package root
    Definition Classes
    root
  • package org
    Definition Classes
    root
  • package apache
    Definition Classes
    org
  • package spark
    Definition Classes
    apache
  • package sql
    Definition Classes
    spark
  • package catalyst

    Catalyst is a library for manipulating relational query plans.

    Catalyst is a library for manipulating relational query plans. All classes in catalyst are considered an internal API to Spark SQL and are subject to change between minor releases.

    Definition Classes
    sql
  • package dsl

    A collection of implicit conversions that create a DSL for constructing catalyst data structures.

    A collection of implicit conversions that create a DSL for constructing catalyst data structures.

    scala> import org.apache.spark.sql.catalyst.dsl.expressions._

// Standard operators are added to expressions.
scala> import org.apache.spark.sql.catalyst.expressions.Literal
scala> Literal(1) + Literal(1)
res0: org.apache.spark.sql.catalyst.expressions.Add = (1 + 1)

// There is a conversion from 'symbols to unresolved attributes.
scala> 'a.attr
res1: org.apache.spark.sql.catalyst.analysis.UnresolvedAttribute = 'a

// These unresolved attributes can be used to create more complicated expressions.
scala> 'a === 'b
res2: org.apache.spark.sql.catalyst.expressions.EqualTo = ('a = 'b)

// SQL verbs can be used to construct logical query plans.
scala> import org.apache.spark.sql.catalyst.plans.logical._
scala> import org.apache.spark.sql.catalyst.dsl.plans._
scala> LocalRelation('key.int, 'value.string).where('key === 1).select('value).analyze
res3: org.apache.spark.sql.catalyst.plans.logical.LogicalPlan =
Project [value#3]
 Filter (key#2 = 1)
  LocalRelation [key#2,value#3], []
    Definition Classes
    catalyst
  • trait ExpressionConversions extends AnyRef
    Definition Classes
    dsl
  • DslAttr
  • DslAttribute
  • DslExpression
  • DslString
  • DslSymbol
  • ImplicitAttribute
  • StringToAttributeConversionHelper

abstract class ImplicitAttribute extends ImplicitOperators

Linear Supertypes
ImplicitOperators, AnyRef, Any
Known Subclasses
DslAttr, DslSymbol
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. ImplicitAttribute
  2. ImplicitOperators
  3. AnyRef
  4. Any
  1. Hide All
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new ImplicitAttribute()

Abstract Value Members

  1. abstract def s: String

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. def %(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  4. def &(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  5. def &&(other: Expression): Predicate
    Definition Classes
    ImplicitOperators
  6. def *(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  7. def +(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  8. def -(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  9. def /(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  10. def <(other: Expression): Predicate
    Definition Classes
    ImplicitOperators
  11. def <=(other: Expression): Predicate
    Definition Classes
    ImplicitOperators
  12. def <=>(other: Expression): Predicate
    Definition Classes
    ImplicitOperators
  13. def =!=(other: Expression): Predicate
    Definition Classes
    ImplicitOperators
  14. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  15. def ===(other: Expression): Predicate
    Definition Classes
    ImplicitOperators
  16. def >(other: Expression): Predicate
    Definition Classes
    ImplicitOperators
  17. def >=(other: Expression): Predicate
    Definition Classes
    ImplicitOperators
  18. def ^(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  19. def array(arrayType: ArrayType): AttributeReference
  20. def array(dataType: DataType): AttributeReference

    Creates a new AttributeReference of type array

  21. def as(alias: Symbol): NamedExpression
    Definition Classes
    ImplicitOperators
  22. def as(alias: String): NamedExpression
    Definition Classes
    ImplicitOperators
  23. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  24. def asc: SortOrder
    Definition Classes
    ImplicitOperators
  25. def asc_nullsLast: SortOrder
    Definition Classes
    ImplicitOperators
  26. def attr: UnresolvedAttribute
  27. def binary: AttributeReference

    Creates a new AttributeReference of type binary

  28. def boolean: AttributeReference

    Creates a new AttributeReference of type boolean

  29. def byte: AttributeReference

    Creates a new AttributeReference of type byte

  30. def cast(to: DataType): Expression
    Definition Classes
    ImplicitOperators
  31. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  32. def contains(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  33. def date: AttributeReference

    Creates a new AttributeReference of type date

  34. def dayTimeInterval(): AttributeReference
  35. def dayTimeInterval(startField: Byte, endField: Byte): AttributeReference

    Creates a new AttributeReference of the day-time interval type

  36. def decimal(precision: Int, scale: Int): AttributeReference

    Creates a new AttributeReference of type decimal

  37. def decimal: AttributeReference

    Creates a new AttributeReference of type decimal

  38. def desc: SortOrder
    Definition Classes
    ImplicitOperators
  39. def desc_nullsFirst: SortOrder
    Definition Classes
    ImplicitOperators
  40. def distinctFunction(exprs: Expression*): UnresolvedFunction
  41. def div(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  42. def double: AttributeReference

    Creates a new AttributeReference of type double

  43. def endsWith(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  44. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  45. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  46. def expr: UnresolvedAttribute
    Definition Classes
    ImplicitAttribute → ImplicitOperators
  47. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  48. def float: AttributeReference

    Creates a new AttributeReference of type float

  49. def function(exprs: Expression*): UnresolvedFunction

    Create a function.

  50. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  51. def getField(fieldName: String): UnresolvedExtractValue
    Definition Classes
    ImplicitOperators
  52. def getItem(ordinal: Expression): UnresolvedExtractValue
    Definition Classes
    ImplicitOperators
  53. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  54. def in(list: Expression*): Expression
    Definition Classes
    ImplicitOperators
  55. def int: AttributeReference

    Creates a new AttributeReference of type int

  56. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  57. def isNotNull: Predicate
    Definition Classes
    ImplicitOperators
  58. def isNull: Predicate
    Definition Classes
    ImplicitOperators
  59. def like(other: Expression, escapeChar: Char = '\\'): Expression
    Definition Classes
    ImplicitOperators
  60. def likeAll(others: Expression*): Expression
    Definition Classes
    ImplicitOperators
  61. def likeAny(others: Expression*): Expression
    Definition Classes
    ImplicitOperators
  62. def long: AttributeReference

    Creates a new AttributeReference of type long

  63. def map(mapType: MapType): AttributeReference
  64. def map(keyType: DataType, valueType: DataType): AttributeReference

    Creates a new AttributeReference of type map

  65. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  66. def notLikeAll(others: Expression*): Expression
    Definition Classes
    ImplicitOperators
  67. def notLikeAny(others: Expression*): Expression
    Definition Classes
    ImplicitOperators
  68. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  69. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  70. def obj(cls: Class[_]): AttributeReference

    Creates a new AttributeReference of object type

  71. def rlike(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  72. def short: AttributeReference

    Creates a new AttributeReference of type short

  73. def startsWith(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  74. def string: AttributeReference

    Creates a new AttributeReference of type string

  75. def struct(attrs: AttributeReference*): AttributeReference
  76. def struct(structType: StructType): AttributeReference

    Creates a new AttributeReference of type struct

  77. def substr(pos: Expression, len: Expression = Literal(Int.MaxValue)): Expression
    Definition Classes
    ImplicitOperators
  78. def substring(pos: Expression, len: Expression = Literal(Int.MaxValue)): Expression
    Definition Classes
    ImplicitOperators
  79. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  80. def timestamp: AttributeReference

    Creates a new AttributeReference of type timestamp

  81. def toString(): String
    Definition Classes
    AnyRef → Any
  82. def unary_!: Predicate
    Definition Classes
    ImplicitOperators
  83. def unary_+: Expression
    Definition Classes
    ImplicitOperators
  84. def unary_-: Expression
    Definition Classes
    ImplicitOperators
  85. def unary_~: Expression
    Definition Classes
    ImplicitOperators
  86. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  87. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  88. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  89. def yearMonthInterval(): AttributeReference
  90. def yearMonthInterval(startField: Byte, endField: Byte): AttributeReference

    Creates a new AttributeReference of the year-month interval type

  91. def |(other: Expression): Expression
    Definition Classes
    ImplicitOperators
  92. def ||(other: Expression): Predicate
    Definition Classes
    ImplicitOperators

Inherited from ImplicitOperators

Inherited from AnyRef

Inherited from Any

Ungrouped