| Name | Description | Type | Package | Framework |
| PhysicalOperator | This is the base class for all operators. | Class | org.apache.pig.backend.hadoop.executionengine.physicalLayer | Apache Pig |
| PhysicalOperator .OriginalLocation | Class | org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator | Apache Pig | |