Class AggregateStarTableRule

All Implemented Interfaces:
Direct Known Subclasses:

@Enclosing public class AggregateStarTableRule extends RelRule<AggregateStarTableRule.Config> implements TransformationRule
Planner rule that matches an Aggregate on top of a StarTable.StarTableScan.

This pattern indicates that an aggregate table may exist. The rule asks the star table for an aggregate table at the required level of aggregation.

See Also: