Package org.apache.spark.sql.expressions

package org.apache.spark.sql.expressions

Related Packages

Package	Description
org.apache.spark.sql
org.apache.spark.sql.expressions.javalang
org.apache.spark.sql.expressions.scalalang

Classes

Class	Description
Aggregator<IN,BUF,OUT>	A base class for user-defined aggregations, which can be used in Dataset operations to take all of the elements of a group and reduce them to a single value.
MutableAggregationBuffer	A Row representing a mutable aggregation buffer.
UserDefinedAggregateFunction	Deprecated. UserDefinedAggregateFunction is deprecated.
UserDefinedFunction	A user-defined function.
Window	Utility functions for defining window in DataFrames.
WindowSpec	A window specification that defines the partitioning, ordering, and frame boundaries.