Search Java Classes and Packages
#Org.apache.spark.sql.expressions Classes and Interfaces - 5 results found.
| Name | Description | Type | Package | Framework |
| Aggregator | A base class for user-defined aggregations, which can be used in DataFrame and Dataset operations to take all of the elements of a group and reduce them to a single value. | Class | org.apache.spark.sql.expressions | Apache Spark |
| MutableAggregationBuffer | A Row representing an mutable aggregation buffer. | Class | org.apache.spark.sql.expressions | Apache Spark |
| UserDefinedAggregateFunction | The base class for implementing user-defined aggregate functions (UDAF). | Class | org.apache.spark.sql.expressions | Apache Spark |
| Window | Utility functions for defining window in DataFrames. | Class | org.apache.spark.sql.expressions | Apache Spark |
| WindowSpec | A window specification that defines the partitioning, ordering, and frame boundaries. | Class | org.apache.spark.sql.expressions | Apache Spark |