| Name | Description | Type | Package | Framework |
| LOCogroup | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOCogroup .GROUPTYPE | Class | org.apache.pig.newplan.logical.relational.LOCogroup | Apache Pig | |
| LOCross | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOCube | CUBE operator implementation for data cube computation. | Class | org.apache.pig.newplan.logical.relational | Apache Pig |
| LODistinct | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOFilter | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOForEach | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOGenerate | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LogicalPlan | LogicalPlan is the logical view of relational operations Pig will execute for a given script. | Class | org.apache.pig.newplan.logical.relational | Apache Pig |
| LogicalRelationalNodesVisitor | A visitor for logical plans. | Class | org.apache.pig.newplan.logical.relational | Apache Pig |
| LogicalRelationalOperator | Logical representation of relational operators. | Class | org.apache.pig.newplan.logical.relational | Apache Pig |
| LogicalSchema | Schema, from a logical perspective. | Class | org.apache.pig.newplan.logical.relational | Apache Pig |
| LogicalSchema .LogicalFieldSchema | Class | org.apache.pig.newplan.logical.relational.LogicalSchema | Apache Pig | |
| LogicalSchema .MergeMode | Class | org.apache.pig.newplan.logical.relational.LogicalSchema | Apache Pig | |
| LogToPhyTranslationVisitor | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOInnerLoad | Operator to map the data into the inner plan of LOForEach It can only be used in the inner plan of LOForEach | Class | org.apache.pig.newplan.logical.relational | Apache Pig |
| LOJoin | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOJoin .JOINTYPE | Class | org.apache.pig.newplan.logical.relational.LOJoin | Apache Pig | |
| LOLimit | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOLoad | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LONative | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LORank | RANK operator implementation. | Class | org.apache.pig.newplan.logical.relational | Apache Pig |
| LOSort | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOSplit | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOSplitOutput | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOStore | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOStream | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| LOUnion | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| MapSideMergeValidator | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |
| SchemaNotDefinedException | Class | org.apache.pig.newplan.logical.relational | Apache Pig | |