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, Unevaluable, FoldableUnevaluable, LeafExpression, LeafLike[Expression], Expression, TreeNode[Expression], WithOrigin, TreePatternBits, Product, Equals, AnyRef, Any
Type Hierarchy
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. PlaceHolderExpression
  2. Serializable
  3. Unevaluable
  4. FoldableUnevaluable
  5. LeafExpression
  6. LeafLike
  7. Expression
  8. TreeNode
  9. WithOrigin
  10. TreePatternBits
  11. Product
  12. Equals
  13. AnyRef
  14. Any
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Visibility
  1. Public
  2. Protected

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. def doGenCode(ctx: CodegenContext, ev: ExprCode): ExprCode
    Attributes
    protected
    Definition Classes
    FoldableUnevaluable → Expression
  24. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  25. def eval(input: InternalRow): Any
    Definition Classes
    FoldableUnevaluable → Expression
  26. def exists(f: (Expression) => Boolean): Boolean
    Definition Classes
    TreeNode
  27. def fastEquals(other: TreeNode[_]): Boolean
    Definition Classes
    TreeNode
  28. def find(f: (Expression) => Boolean): Option[Expression]
    Definition Classes
    TreeNode
  29. def flatArguments: Iterator[Any]
    Attributes
    protected
    Definition Classes
    Expression
  30. def flatMap[A](f: (Expression) => IterableOnce[A]): Seq[A]
    Definition Classes
    TreeNode
  31. final def foldable: Boolean
    Definition Classes
    Unevaluable → FoldableUnevaluable → Expression
  32. def foreach(f: (Expression) => Unit): Unit
    Definition Classes
    TreeNode
  33. def foreachUp(f: (Expression) => Unit): Unit
    Definition Classes
    TreeNode
  34. def freshCopyIfContainsStatefulExpression(): Expression
    Definition Classes
    Expression
  35. def genCode(ctx: CodegenContext): ExprCode
    Definition Classes
    Expression
  36. def generateTreeString(depth: Int, lastChildren: ArrayList[Boolean], append: (String) => Unit, verbose: Boolean, prefix: String, addSuffix: Boolean, maxFields: Int, printNodeId: Boolean, indent: Int): Unit
    Definition Classes
    TreeNode
  37. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @IntrinsicCandidate() @native()
  38. def getDefaultTreePatternBits: BitSet
    Attributes
    protected
    Definition Classes
    TreeNode
  39. def getTagValue[T](tag: TreeNodeTag[T]): Option[T]
    Definition Classes
    TreeNode
  40. def hashCode(): Int
    Definition Classes
    TreeNode → AnyRef → Any
  41. lazy val height: Int
    Definition Classes
    TreeNode
  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 isTagsEmpty: Boolean
    Definition Classes
    TreeNode
  46. def jsonFields: List[JField]
    Attributes
    protected
    Definition Classes
    TreeNode
  47. final def legacyWithNewChildren(newChildren: Seq[Expression]): Expression
    Attributes
    protected
    Definition Classes
    TreeNode
  48. def makeCopy(newArgs: Array[AnyRef]): Expression
    Definition Classes
    TreeNode
  49. def map[A](f: (Expression) => A): Seq[A]
    Definition Classes
    TreeNode
  50. final def mapChildren(f: (Expression) => Expression): Expression
    Definition Classes
    LeafLike
  51. def mapProductIterator[B](f: (Any) => B)(implicit arg0: ClassTag[B]): Array[B]
    Attributes
    protected
    Definition Classes
    TreeNode
  52. def markRuleAsIneffective(ruleId: RuleId): Unit
    Attributes
    protected
    Definition Classes
    TreeNode
  53. def multiTransformDown(rule: PartialFunction[Expression, Seq[Expression]]): LazyList[Expression]
    Definition Classes
    TreeNode
  54. def multiTransformDownWithPruning(cond: (TreePatternBits) => Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Seq[Expression]]): LazyList[Expression]
    Definition Classes
    TreeNode
  55. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  56. def nodeName: String
    Definition Classes
    TreeNode
  57. val nodePatterns: Seq[TreePattern]
    Attributes
    protected
    Definition Classes
    TreeNode
  58. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @IntrinsicCandidate() @native()
  59. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @IntrinsicCandidate() @native()
  60. def nullIntolerant: Boolean
    Definition Classes
    Expression
  61. val nullable: Boolean
    Definition Classes
    PlaceHolderExpression → Expression
  62. def numberedTreeString: String
    Definition Classes
    TreeNode
  63. val origin: Origin
    Definition Classes
    TreeNode → WithOrigin
  64. def otherCopyArgs: Seq[AnyRef]
    Attributes
    protected
    Definition Classes
    TreeNode
  65. def p(number: Int): Expression
    Definition Classes
    TreeNode
  66. def prettyJson: String
    Definition Classes
    TreeNode
  67. def prettyName: String
    Definition Classes
    Expression
  68. def productElementNames: Iterator[String]
    Definition Classes
    Product
  69. def references: AttributeSet
    Definition Classes
    Expression
  70. lazy val resolved: Boolean
    Definition Classes
    Expression
  71. final def semanticEquals(other: Expression): Boolean
    Definition Classes
    Expression
  72. def semanticHash(): Int
    Definition Classes
    Expression
  73. def setTagValue[T](tag: TreeNodeTag[T], value: T): Unit
    Definition Classes
    TreeNode
  74. def simpleString(maxFields: Int): String
    Definition Classes
    Expression → TreeNode
  75. def simpleStringWithNodeId(): String
    Definition Classes
    Expression → TreeNode
  76. def sql: String
    Definition Classes
    Expression
  77. def stateful: Boolean
    Definition Classes
    Expression
  78. def stringArgs: Iterator[Any]
    Attributes
    protected
    Definition Classes
    TreeNode
  79. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  80. lazy val throwable: Boolean
    Definition Classes
    Expression
  81. def toJSON: String
    Definition Classes
    TreeNode
  82. def toString(): String
    Definition Classes
    Expression → TreeNode → AnyRef → Any
  83. def transform(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  84. def transformDown(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  85. def transformDownWithPruning(cond: (TreePatternBits) => Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  86. def transformUp(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  87. def transformUpWithBeforeAndAfterRuleOnChildren(cond: (Expression) => Boolean, ruleId: RuleId)(rule: PartialFunction[(Expression, Expression), Expression]): Expression
    Definition Classes
    TreeNode
  88. def transformUpWithPruning(cond: (TreePatternBits) => Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  89. def transformWithPruning(cond: (TreePatternBits) => Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  90. lazy val treePatternBits: BitSet
    Definition Classes
    TreeNode → TreePatternBits
  91. def treeString(append: (String) => Unit, verbose: Boolean, addSuffix: Boolean, maxFields: Int, printOperatorId: Boolean): Unit
    Definition Classes
    TreeNode
  92. final def treeString(verbose: Boolean, addSuffix: Boolean, maxFields: Int, printOperatorId: Boolean): String
    Definition Classes
    TreeNode
  93. final def treeString: String
    Definition Classes
    TreeNode
  94. def typeSuffix: String
    Attributes
    protected
    Definition Classes
    Expression
  95. def unsetTagValue[T](tag: TreeNodeTag[T]): Unit
    Definition Classes
    TreeNode
  96. final def verboseString(maxFields: Int): String
    Definition Classes
    Expression → TreeNode
  97. def verboseStringWithSuffix(maxFields: Int): String
    Definition Classes
    TreeNode
  98. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  99. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  100. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  101. final def withCanonicalizedChildren: Expression
    Attributes
    protected
    Definition Classes
    Expression
  102. final def withNewChildren(newChildren: Seq[Expression]): Expression
    Definition Classes
    TreeNode
  103. def withNewChildrenInternal(newChildren: IndexedSeq[Expression]): Expression
    Definition Classes
    LeafLike

Deprecated Value Members

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

    (Since version 9)

Inherited from Serializable

Inherited from Unevaluable

Inherited from FoldableUnevaluable

Inherited from LeafExpression

Inherited from LeafLike[Expression]

Inherited from Expression

Inherited from TreeNode[Expression]

Inherited from WithOrigin

Inherited from TreePatternBits

Inherited from Product

Inherited from Equals

Inherited from AnyRef

Inherited from Any

Ungrouped