Interface PruneEmptyRules.ZeroMaxRowsRuleConfig

All Superinterfaces:
PruneEmptyRules.PruneEmptyRule.Config, RelRule.Config
Enclosing class:

@Immutable public static interface PruneEmptyRules.ZeroMaxRowsRuleConfig extends PruneEmptyRules.PruneEmptyRule.Config
Configuration for rule that transforms an empty relational expression into an empty values.

It relies on RelMdMaxRowCount to derive if the relation is empty or not. If the stats are not available then the rule is a noop.