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Showing content from http://spark.apache.org/docs/latest/api/scala/org/apache/spark/sql/expressions/Aggregator.html below:

Spark 4.0.0 ScalaDoc - org.apache.spark.sql.expressions.Aggregator

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1. Aggregator
2. UserDefinedFunctionLike
3. Serializable
4. AnyRef
5. Any

1. Public
2. Protected

1.  new Aggregator()

1.  abstract def bufferEncoder: Encoder[BUF]
2.  abstract def finish(reduction: BUF): OUT
3.  abstract def merge(b1: BUF, b2: BUF): BUF
4.  abstract def outputEncoder: Encoder[OUT]
5.  abstract def reduce(b: BUF, a: IN): BUF
6.  abstract def zero: BUF

1.  final def !=(arg0: Any): Boolean
2.  final def ##: Int
3.  final def ==(arg0: Any): Boolean
4.  final def asInstanceOf[T0]: T0
5.  def clone(): AnyRef
6.  final def eq(arg0: AnyRef): Boolean
7.  def equals(arg0: AnyRef): Boolean
8.  final def getClass(): Class[_ <: AnyRef]
9.  def hashCode(): Int
10.  final def isInstanceOf[T0]: Boolean
11.  def name: String
12.  final def ne(arg0: AnyRef): Boolean
13.  final def notify(): Unit
14.  final def notifyAll(): Unit
15.  final def synchronized[T0](arg0: => T0): T0
16.  def toColumn: TypedColumn[IN, OUT]
17.  def toString(): String
18.  final def wait(arg0: Long, arg1: Int): Unit
19.  final def wait(arg0: Long): Unit
20.  final def wait(): Unit

1.  def finalize(): Unit

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