c

org.apache.spark.sql.qualityFunctions

PlaceHolderExpression

case class PlaceHolderExpression(dataType: DataType, nullable: Boolean = true) extends LeafExpression with Unevaluable with Product with Serializable

Only used with Lambda placeholders, defaults to allowing nullable values

Linear Supertypes
Serializable, Serializable, Unevaluable, LeafExpression, LeafLike[Expression], Expression, TreeNode[Expression], TreePatternBits, Product, Equals, AnyRef, Any
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Inherited
  1. PlaceHolderExpression
  2. Serializable
  3. Serializable
  4. Unevaluable
  5. LeafExpression
  6. LeafLike
  7. Expression
  8. TreeNode
  9. TreePatternBits
  10. Product
  11. Equals
  12. AnyRef
  13. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new PlaceHolderExpression(dataType: DataType, nullable: Boolean = true)

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def apply(number: Int): TreeNode[_]
    Definition Classes
    TreeNode
  5. def argString(maxFields: Int): String
    Definition Classes
    TreeNode
  6. def asCode: String
    Definition Classes
    TreeNode
  7. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  8. lazy val canonicalized: Expression
    Definition Classes
    Expression
  9. def checkInputDataTypes(): TypeCheckResult
    Definition Classes
    Expression
  10. final def children: Seq[Expression]
    Definition Classes
    LeafLike
  11. def childrenResolved: Boolean
    Definition Classes
    Expression
  12. def clone(): Expression
    Definition Classes
    TreeNode → AnyRef
  13. def collect[B](pf: PartialFunction[Expression, B]): Seq[B]
    Definition Classes
    TreeNode
  14. def collectFirst[B](pf: PartialFunction[Expression, B]): Option[B]
    Definition Classes
    TreeNode
  15. def collectLeaves(): Seq[Expression]
    Definition Classes
    TreeNode
  16. final def containsAllPatterns(patterns: TreePattern*): Boolean
    Definition Classes
    TreePatternBits
  17. final def containsAnyPattern(patterns: TreePattern*): Boolean
    Definition Classes
    TreePatternBits
  18. lazy val containsChild: Set[TreeNode[_]]
    Definition Classes
    TreeNode
  19. final def containsPattern(t: TreePattern): Boolean
    Definition Classes
    TreePatternBits
    Annotations
    @inline()
  20. def copyTagsFrom(other: Expression): Unit
    Definition Classes
    TreeNode
  21. val dataType: DataType
    Definition Classes
    PlaceHolderExpression → Expression
  22. lazy val deterministic: Boolean
    Definition Classes
    Expression
  23. final def doGenCode(ctx: CodegenContext, ev: ExprCode): ExprCode
    Attributes
    protected
    Definition Classes
    Unevaluable → Expression
  24. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  25. final def eval(input: InternalRow): Any
    Definition Classes
    Unevaluable → Expression
  26. def exists(f: (Expression) ⇒ Boolean): Boolean
    Definition Classes
    TreeNode
  27. def fastEquals(other: TreeNode[_]): Boolean
    Definition Classes
    TreeNode
  28. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  29. def find(f: (Expression) ⇒ Boolean): Option[Expression]
    Definition Classes
    TreeNode
  30. def flatArguments: Iterator[Any]
    Attributes
    protected
    Definition Classes
    Expression
  31. def flatMap[A](f: (Expression) ⇒ TraversableOnce[A]): Seq[A]
    Definition Classes
    TreeNode
  32. final def foldable: Boolean
    Definition Classes
    Unevaluable → Expression
  33. def foreach(f: (Expression) ⇒ Unit): Unit
    Definition Classes
    TreeNode
  34. def foreachUp(f: (Expression) ⇒ Unit): Unit
    Definition Classes
    TreeNode
  35. def freshCopyIfContainsStatefulExpression(): Expression
    Definition Classes
    Expression
  36. def genCode(ctx: CodegenContext): ExprCode
    Definition Classes
    Expression
  37. def generateTreeString(depth: Int, lastChildren: Seq[Boolean], append: (String) ⇒ Unit, verbose: Boolean, prefix: String, addSuffix: Boolean, maxFields: Int, printNodeId: Boolean, indent: Int): Unit
    Definition Classes
    TreeNode
  38. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  39. def getDefaultTreePatternBits: BitSet
    Attributes
    protected
    Definition Classes
    TreeNode
  40. def getTagValue[T](tag: TreeNodeTag[T]): Option[T]
    Definition Classes
    TreeNode
  41. def hashCode(): Int
    Definition Classes
    TreeNode → AnyRef → Any
  42. def innerChildren: Seq[TreeNode[_]]
    Definition Classes
    TreeNode
  43. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  44. def isRuleIneffective(ruleId: RuleId): Boolean
    Attributes
    protected
    Definition Classes
    TreeNode
  45. def jsonFields: List[JField]
    Attributes
    protected
    Definition Classes
    TreeNode
  46. final def legacyWithNewChildren(newChildren: Seq[Expression]): Expression
    Attributes
    protected
    Definition Classes
    TreeNode
  47. def makeCopy(newArgs: Array[AnyRef]): Expression
    Definition Classes
    TreeNode
  48. def map[A](f: (Expression) ⇒ A): Seq[A]
    Definition Classes
    TreeNode
  49. final def mapChildren(f: (Expression) ⇒ Expression): Expression
    Definition Classes
    LeafLike
  50. def mapProductIterator[B](f: (Any) ⇒ B)(implicit arg0: ClassTag[B]): Array[B]
    Attributes
    protected
    Definition Classes
    TreeNode
  51. def markRuleAsIneffective(ruleId: RuleId): Unit
    Attributes
    protected
    Definition Classes
    TreeNode
  52. def multiTransformDown(rule: PartialFunction[Expression, Seq[Expression]]): Stream[Expression]
    Definition Classes
    TreeNode
  53. def multiTransformDownWithPruning(cond: (TreePatternBits) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Seq[Expression]]): Stream[Expression]
    Definition Classes
    TreeNode
  54. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  55. def nodeName: String
    Definition Classes
    TreeNode
  56. val nodePatterns: Seq[TreePattern]
    Attributes
    protected
    Definition Classes
    TreeNode
  57. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  58. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  59. val nullable: Boolean
    Definition Classes
    PlaceHolderExpression → Expression
  60. def numberedTreeString: String
    Definition Classes
    TreeNode
  61. val origin: Origin
    Definition Classes
    TreeNode
  62. def otherCopyArgs: Seq[AnyRef]
    Attributes
    protected
    Definition Classes
    TreeNode
  63. def p(number: Int): Expression
    Definition Classes
    TreeNode
  64. def prettyJson: String
    Definition Classes
    TreeNode
  65. def prettyName: String
    Definition Classes
    Expression
  66. def references: AttributeSet
    Definition Classes
    Expression
  67. lazy val resolved: Boolean
    Definition Classes
    Expression
  68. final def semanticEquals(other: Expression): Boolean
    Definition Classes
    Expression
  69. def semanticHash(): Int
    Definition Classes
    Expression
  70. def setTagValue[T](tag: TreeNodeTag[T], value: T): Unit
    Definition Classes
    TreeNode
  71. def simpleString(maxFields: Int): String
    Definition Classes
    Expression → TreeNode
  72. def simpleStringWithNodeId(): String
    Definition Classes
    Expression → TreeNode
  73. def sql: String
    Definition Classes
    Expression
  74. def stateful: Boolean
    Definition Classes
    Expression
  75. def stringArgs: Iterator[Any]
    Attributes
    protected
    Definition Classes
    TreeNode
  76. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  77. def toJSON: String
    Definition Classes
    TreeNode
  78. def toString(): String
    Definition Classes
    Expression → TreeNode → AnyRef → Any
  79. def transform(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  80. def transformDown(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  81. def transformDownWithPruning(cond: (TreePatternBits) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  82. def transformUp(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  83. def transformUpWithBeforeAndAfterRuleOnChildren(cond: (Expression) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[(Expression, Expression), Expression]): Expression
    Definition Classes
    TreeNode
  84. def transformUpWithPruning(cond: (TreePatternBits) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  85. def transformWithPruning(cond: (TreePatternBits) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  86. lazy val treePatternBits: BitSet
    Definition Classes
    TreeNode → TreePatternBits
  87. def treeString(append: (String) ⇒ Unit, verbose: Boolean, addSuffix: Boolean, maxFields: Int, printOperatorId: Boolean): Unit
    Definition Classes
    TreeNode
  88. final def treeString(verbose: Boolean, addSuffix: Boolean, maxFields: Int, printOperatorId: Boolean): String
    Definition Classes
    TreeNode
  89. final def treeString: String
    Definition Classes
    TreeNode
  90. def typeSuffix: String
    Attributes
    protected
    Definition Classes
    Expression
  91. def unsetTagValue[T](tag: TreeNodeTag[T]): Unit
    Definition Classes
    TreeNode
  92. final def verboseString(maxFields: Int): String
    Definition Classes
    Expression → TreeNode
  93. def verboseStringWithSuffix(maxFields: Int): String
    Definition Classes
    TreeNode
  94. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  95. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  96. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  97. final def withCanonicalizedChildren: Expression
    Attributes
    protected
    Definition Classes
    Expression
  98. final def withNewChildren(newChildren: Seq[Expression]): Expression
    Definition Classes
    TreeNode
  99. def withNewChildrenInternal(newChildren: IndexedSeq[Expression]): Expression
    Definition Classes
    LeafLike

Inherited from Serializable

Inherited from Serializable

Inherited from Unevaluable

Inherited from LeafExpression

Inherited from LeafLike[Expression]

Inherited from Expression

Inherited from TreeNode[Expression]

Inherited from TreePatternBits

Inherited from Product

Inherited from Equals

Inherited from AnyRef

Inherited from Any

Ungrouped