| Name | Description | Type | Package | Framework |
| Operator | Base operator implementation. | Class | org.apache.hadoop.hive.ql.exec | Apache Hive |
| Operator .OperatorFunc | Interface | org.apache.hadoop.hive.ql.exec.Operator | Apache Hive | |
| Operator .State | Class | org.apache.hadoop.hive.ql.exec.Operator | Apache Hive | |
| OperatorFactory | Class | org.apache.hadoop.hive.ql.exec | Apache Hive | |
| OperatorUtils | Class | org.apache.hadoop.hive.ql.exec | Apache Hive | |