Package org.apache.calcite.rel.stream

Defines relational expressions for streaming.

Related packages and classes

• Package org.apache.calcite.rel.core contains core relational expressions

Class Summary

Class	Description
Chi	Relational operator that converts a stream to a relation.
Delta	Relational operator that converts a relation to a stream.
LogicalChi	Sub-class of Chi not targeted at any particular engine or calling convention.
LogicalDelta	Sub-class of Delta not targeted at any particular engine or calling convention.
StreamRules	Rules and relational operators for streaming relational expressions.
StreamRules.DeltaAggregateTransposeRule	Planner rule that pushes a Delta through an Aggregate.
StreamRules.DeltaFilterTransposeRule	Planner rule that pushes a Delta through a Filter.
StreamRules.DeltaJoinTransposeRule	Planner rule that pushes a Delta through a Join.
StreamRules.DeltaProjectTransposeRule	Planner rule that pushes a Delta through a Project.
StreamRules.DeltaSortTransposeRule	Planner rule that pushes a Delta through an Sort.
StreamRules.DeltaTableScanRule	Planner rule that pushes a Delta into a TableScan of a StreamableTable.
StreamRules.DeltaTableScanToEmptyRule	Planner rule that converts Delta over a TableScan of a table other than StreamableTable to an empty Values.
StreamRules.DeltaUnionTransposeRule	Planner rule that pushes a Delta through an Union.