| Name | Description | Type | Package | Framework |
| MapOperator | Map operator. | Class | org.apache.hadoop.hive.ql.exec | Apache Hive |
| MapOperator .Counter | Class | org.apache.hadoop.hive.ql.exec.MapOperator | Apache Hive | |
| MapOperator .MapOpCtx | Class | org.apache.hadoop.hive.ql.exec.MapOperator | Apache Hive | |