Packages

t

org.apache.spark.sql.catalyst.plans

AliasAwareOutputExpression

trait AliasAwareOutputExpression extends SQLConfHelper

A trait that provides functionality to handle aliases in the outputExpressions.

Linear Supertypes
SQLConfHelper, AnyRef, Any
Known Subclasses
AliasAwareQueryOutputOrdering, Filter, LocalLimit, Offset, OrderPreservingUnaryNode, Project, Subquery, SubqueryAlias, Tail
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Inherited
  1. AliasAwareOutputExpression
  2. SQLConfHelper
  3. AnyRef
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Visibility
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Abstract Value Members

  1. abstract def outputExpressions: Seq[NamedExpression]
    Attributes
    protected

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. val aliasCandidateLimit: Int
    Attributes
    protected
  5. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  6. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  7. def conf: SQLConf

    The active config object within the current scope.

    The active config object within the current scope. See SQLConf.get for more information.

    Definition Classes
    SQLConfHelper
  8. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  9. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  10. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  11. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  12. def hasAlias: Boolean
    Attributes
    protected
  13. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  14. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  15. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  16. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  17. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  18. def projectExpression(expr: Expression): Stream[Expression]

    Return a stream of expressions in which the original expression is projected with aliasMap.

    Return a stream of expressions in which the original expression is projected with aliasMap.

    Attributes
    protected
  19. def strip(expr: Expression): Expression

    This method can be used to strip expression which does not affect the result, for example: strip the expression which is ordering agnostic for output ordering.

    This method can be used to strip expression which does not affect the result, for example: strip the expression which is ordering agnostic for output ordering.

    Attributes
    protected
  20. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  21. def toString(): String
    Definition Classes
    AnyRef → Any
  22. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  23. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  24. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()

Inherited from SQLConfHelper

Inherited from AnyRef

Inherited from Any

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