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
Ordering
  1. Alphabetic
  2. By Inheritance
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 fastEquals(other: TreeNode[_]): Boolean
    Definition Classes
    TreeNode
  27. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  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) ⇒ TraversableOnce[A]): Seq[A]
    Definition Classes
    TreeNode
  31. final def foldable: Boolean
    Definition Classes
    Unevaluable → Expression
  32. def foreach(f: (Expression) ⇒ Unit): Unit
    Definition Classes
    TreeNode
  33. def foreachUp(f: (Expression) ⇒ Unit): Unit
    Definition Classes
    TreeNode
  34. def genCode(ctx: CodegenContext): ExprCode
    Definition Classes
    Expression
  35. 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
  36. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  37. def getDefaultTreePatternBits: BitSet
    Attributes
    protected
    Definition Classes
    TreeNode
  38. def getTagValue[T](tag: TreeNodeTag[T]): Option[T]
    Definition Classes
    TreeNode
  39. def hashCode(): Int
    Definition Classes
    TreeNode → AnyRef → Any
  40. def innerChildren: Seq[TreeNode[_]]
    Definition Classes
    TreeNode
  41. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  42. def isRuleIneffective(ruleId: RuleId): Boolean
    Attributes
    protected
    Definition Classes
    TreeNode
  43. def jsonFields: List[JField]
    Attributes
    protected
    Definition Classes
    TreeNode
  44. final def legacyWithNewChildren(newChildren: Seq[Expression]): Expression
    Attributes
    protected
    Definition Classes
    TreeNode
  45. def makeCopy(newArgs: Array[AnyRef]): Expression
    Definition Classes
    TreeNode
  46. def map[A](f: (Expression) ⇒ A): Seq[A]
    Definition Classes
    TreeNode
  47. final def mapChildren(f: (Expression) ⇒ Expression): Expression
    Definition Classes
    LeafLike
  48. def mapProductIterator[B](f: (Any) ⇒ B)(implicit arg0: ClassTag[B]): Array[B]
    Attributes
    protected
    Definition Classes
    TreeNode
  49. def markRuleAsIneffective(ruleId: RuleId): Unit
    Attributes
    protected
    Definition Classes
    TreeNode
  50. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  51. def nodeName: String
    Definition Classes
    TreeNode
  52. val nodePatterns: Seq[TreePattern]
    Attributes
    protected
    Definition Classes
    TreeNode
  53. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  54. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  55. val nullable: Boolean
    Definition Classes
    PlaceHolderExpression → Expression
  56. def numberedTreeString: String
    Definition Classes
    TreeNode
  57. val origin: Origin
    Definition Classes
    TreeNode
  58. def otherCopyArgs: Seq[AnyRef]
    Attributes
    protected
    Definition Classes
    TreeNode
  59. def p(number: Int): Expression
    Definition Classes
    TreeNode
  60. def prettyJson: String
    Definition Classes
    TreeNode
  61. def prettyName: String
    Definition Classes
    Expression
  62. def references: AttributeSet
    Definition Classes
    Expression
  63. lazy val resolved: Boolean
    Definition Classes
    Expression
  64. final def semanticEquals(other: Expression): Boolean
    Definition Classes
    Expression
  65. def semanticHash(): Int
    Definition Classes
    Expression
  66. def setTagValue[T](tag: TreeNodeTag[T], value: T): Unit
    Definition Classes
    TreeNode
  67. def simpleString(maxFields: Int): String
    Definition Classes
    Expression → TreeNode
  68. def simpleStringWithNodeId(): String
    Definition Classes
    Expression → TreeNode
  69. def sql: String
    Definition Classes
    Expression
  70. def stringArgs: Iterator[Any]
    Attributes
    protected
    Definition Classes
    TreeNode
  71. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  72. def toJSON: String
    Definition Classes
    TreeNode
  73. def toString(): String
    Definition Classes
    Expression → TreeNode → AnyRef → Any
  74. def transform(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  75. def transformDown(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  76. def transformDownWithPruning(cond: (TreePatternBits) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  77. def transformUp(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  78. def transformUpWithBeforeAndAfterRuleOnChildren(cond: (Expression) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[(Expression, Expression), Expression]): Expression
    Definition Classes
    TreeNode
  79. def transformUpWithPruning(cond: (TreePatternBits) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  80. def transformWithPruning(cond: (TreePatternBits) ⇒ Boolean, ruleId: RuleId)(rule: PartialFunction[Expression, Expression]): Expression
    Definition Classes
    TreeNode
  81. lazy val treePatternBits: BitSet
    Definition Classes
    TreeNode → TreePatternBits
  82. def treeString(append: (String) ⇒ Unit, verbose: Boolean, addSuffix: Boolean, maxFields: Int, printOperatorId: Boolean): Unit
    Definition Classes
    TreeNode
  83. final def treeString(verbose: Boolean, addSuffix: Boolean, maxFields: Int, printOperatorId: Boolean): String
    Definition Classes
    TreeNode
  84. final def treeString: String
    Definition Classes
    TreeNode
  85. def unsetTagValue[T](tag: TreeNodeTag[T]): Unit
    Definition Classes
    TreeNode
  86. final def verboseString(maxFields: Int): String
    Definition Classes
    Expression → TreeNode
  87. def verboseStringWithSuffix(maxFields: Int): String
    Definition Classes
    TreeNode
  88. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  89. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  90. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  91. final def withNewChildren(newChildren: Seq[Expression]): Expression
    Definition Classes
    TreeNode
  92. final 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