trait Attribute extends LeafExpression with LogSupport

Attribute is used for column names of relational table inputs and outputs

Linear Supertypes
LogSupport, LazyLogger, LoggingMethods, Serializable, LeafExpression, Expression, Product, Equals, TreeNode[Expression], AnyRef, Any
Known Subclasses
Alias, AllColumns, MultiSourceColumn, SingleColumn, UnresolvedAttribute, ResolvedAttribute
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. Attribute
  2. LogSupport
  3. LazyLogger
  4. LoggingMethods
  5. Serializable
  6. LeafExpression
  7. Expression
  8. Product
  9. Equals
  10. TreeNode
  11. AnyRef
  12. Any
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Visibility
  1. Public
  2. Protected

Abstract Value Members

  1. abstract def canEqual(that: Any): Boolean
    Definition Classes
    Equals
  2. abstract def inputColumns: Seq[Attribute]

    Return columns used for generating this attribute

  3. abstract def name: String
  4. abstract def nodeLocation: Option[NodeLocation]

    returns

    the code location in the SQL text if available

    Definition Classes
    TreeNode
  5. abstract def outputColumns: Seq[Attribute]

    Return columns generated from this attribute

  6. abstract def productArity: Int
    Definition Classes
    Product
  7. abstract def productElement(n: Int): Any
    Definition Classes
    Product
  8. abstract def qualifier: Option[String]
  9. abstract def sourceColumns: Seq[SourceColumn]

    Returns the unmodified source columns referenced by this Attribute

  10. abstract def withQualifier(newQualifier: Option[String]): Attribute

Concrete 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 alias: Option[String]
  5. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  6. def attributeName: String

    Column name without qualifier

    Column name without qualifier

    Definition Classes
    Attribute → Expression
  7. def children: Seq[Expression]
    Definition Classes
    LeafExpression → TreeNode
  8. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @native() @HotSpotIntrinsicCandidate()
  9. def collectExpressions(cond: PartialFunction[Expression, Boolean]): List[Expression]
    Definition Classes
    Expression
  10. def collectSubExpressions: List[Expression]
    Definition Classes
    Expression
  11. def copyInstance(newArgs: Seq[AnyRef]): Attribute.this.type
    Attributes
    protected
    Definition Classes
    Expression
  12. def dataType: DataType
    Definition Classes
    Expression
  13. def dataTypeName: String
    Definition Classes
    Expression
  14. macro def debug(message: Any, cause: Throwable): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  15. macro def debug(message: Any): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  16. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  17. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  18. macro def error(message: Any, cause: Throwable): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  19. macro def error(message: Any): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  20. def fullName: String
  21. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  22. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  23. macro def info(message: Any, cause: Throwable): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  24. macro def info(message: Any): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  25. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  26. macro def logAt(logLevel: LogLevel, message: Any): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  27. lazy val logger: Logger
    Attributes
    protected[this]
    Definition Classes
    LazyLogger
  28. def matched(columnPath: ColumnPath, context: AnalyzerContext): Option[Attribute]

    If a given column name matches with this Attribute, return this.

    If a given column name matches with this Attribute, return this. If there are multiple candidate attributes (e.g., via Join, Union), return MultiSourceAttribute.

  29. def matchesWith(columnPath: ColumnPath): Boolean

    Return true if this Attribute matches with a given column path

  30. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  31. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  32. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native() @HotSpotIntrinsicCandidate()
  33. def prefix: String
  34. def productElementName(n: Int): String
    Definition Classes
    Product
  35. def productElementNames: Iterator[String]
    Definition Classes
    Product
  36. def productIterator: Iterator[Any]
    Definition Classes
    Product
  37. def productPrefix: String
    Definition Classes
    Product
  38. lazy val resolved: Boolean
    Definition Classes
    Expression
  39. def resolvedChildren: Boolean
    Definition Classes
    Expression
  40. def resolvedInputs: Boolean
    Definition Classes
    Expression
  41. def setQualifierIfEmpty(newQualifier: Option[String]): Attribute
  42. def sqlExpr: String
    Definition Classes
    Expression
  43. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  44. def toString(): String
    Definition Classes
    AnyRef → Any
  45. macro def trace(message: Any, cause: Throwable): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  46. macro def trace(message: Any): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  47. def transformExpression(rule: PartialFunction[Expression, Expression]): Expression

    Recursively transform the expression in breadth-first order

    Recursively transform the expression in breadth-first order

    Definition Classes
    Expression
  48. def transformPlan(rule: PartialFunction[LogicalPlan, LogicalPlan]): Expression
    Definition Classes
    Expression
  49. def transformUpExpression(rule: PartialFunction[Expression, Expression]): Expression

    Recursively transform the expression in depth-first order

    Recursively transform the expression in depth-first order

    Definition Classes
    Expression
  50. def traverseExpressions[U](rule: PartialFunction[Expression, U]): Unit
    Definition Classes
    Expression
  51. def traversePlan[U](rule: PartialFunction[LogicalPlan, U]): Unit
    Definition Classes
    Expression
  52. def traversePlanOnce[U](rule: PartialFunction[LogicalPlan, U]): Unit
    Definition Classes
    Expression
  53. def typeDescription: String

    * Returns "(name):(type)" of this attribute

    * Returns "(name):(type)" of this attribute

    Definition Classes
    Expression
  54. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  55. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  56. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  57. macro def warn(message: Any, cause: Throwable): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  58. macro def warn(message: Any): Unit
    Attributes
    protected
    Definition Classes
    LoggingMethods
  59. def withAlias(newAlias: Option[String]): Attribute
  60. def withAlias(newAlias: String): Attribute
  61. def withQualifier(newQualifier: String): Attribute

Deprecated Value Members

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

Inherited from LogSupport

Inherited from LazyLogger

Inherited from LoggingMethods

Inherited from Serializable

Inherited from LeafExpression

Inherited from Expression

Inherited from Product

Inherited from Equals

Inherited from TreeNode[Expression]

Inherited from AnyRef

Inherited from Any

Ungrouped