Packages

trait AggregateFunc extends Expression with Serializable

Base class of the Aggregate Functions.

Annotations
@Evolving()
Source
AggregateFunc.java
Since

3.2.0

Linear Supertypes
Serializable, Expression, AnyRef, Any
Known Subclasses
Avg, Count, CountStar, GeneralAggregateFunc, Max, Min, Sum, UserDefinedAggregateFunc
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. AggregateFunc
  2. Serializable
  3. Expression
  4. AnyRef
  5. Any
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Visibility
  1. Public
  2. Protected

Abstract Value Members

  1. abstract def children(): Array[Expression]

    Returns an array of the children of this node.

    Returns an array of the children of this node. Children should not change.

    Definition Classes
    Expression

Concrete Value Members

  1. def describe(): String

    Format the expression as a human readable SQL-like string.

    Format the expression as a human readable SQL-like string.

    Definition Classes
    Expression
  2. def references(): Array[NamedReference]

    List of fields or columns that are referenced by this expression.

    List of fields or columns that are referenced by this expression.

    Definition Classes
    Expression