 
| Name | Description | Type | Package | Framework | 
| Chi | Relational operator that converts a stream to a relation. | Class | org.apache.calcite.rel.stream | Calcite | 
| Delta | Relational operator that converts a relation to a stream. | Class | org.apache.calcite.rel.stream | Calcite | 
| LogicalChi | not targeted at any particular engine or calling convention. | Class | org.apache.calcite.rel.stream | Calcite | 
| LogicalDelta | not targeted at any particular engine or calling convention. | Class | org.apache.calcite.rel.stream | Calcite | 
| StreamRules | Rules and relational operators for streaming relational expressions. | Class | org.apache.calcite.rel.stream | Calcite | 
| StreamRules .DeltaAggregateTransposeRule | Planner rule that pushes a Delta through an Aggregate. | Class | org.apache.calcite.rel.stream.StreamRules | Calcite | 
| StreamRules .DeltaFilterTransposeRule | Planner rule that pushes a Delta through a Filter. | Class | org.apache.calcite.rel.stream.StreamRules | Calcite | 
| StreamRules .DeltaJoinTransposeRule | Planner rule that pushes a Delta through a Join. | Class | org.apache.calcite.rel.stream.StreamRules | Calcite | 
| StreamRules .DeltaProjectTransposeRule | Planner rule that pushes a Delta through a Project. | Class | org.apache.calcite.rel.stream.StreamRules | Calcite | 
| StreamRules .DeltaSortTransposeRule | Planner rule that pushes a Delta through an Sort. | Class | org.apache.calcite.rel.stream.StreamRules | Calcite | 
| StreamRules .DeltaTableScanRule | Planner rule that pushes a Delta into a TableScan of a Very likely, the stream was only represented as a table for uniformity | Class | org.apache.calcite.rel.stream.StreamRules | Calcite | 
| StreamRules .DeltaTableScanToEmptyRule | Planner rule that converts Delta over a TableScan of a table other than StreamableTable to | Class | org.apache.calcite.rel.stream.StreamRules | Calcite | 
| StreamRules .DeltaUnionTransposeRule | Planner rule that pushes a Delta through an Union. | Class | org.apache.calcite.rel.stream.StreamRules | Calcite |