com.apple.foundationdb.record.query.plan.temp.rules

Class RemoveRedundantTypeFilterRule

java.lang.Object

com.apple.foundationdb.record.query.plan.temp.PlannerRule<LogicalTypeFilterExpression>

com.apple.foundationdb.record.query.plan.temp.rules.RemoveRedundantTypeFilterRule

@API(value=EXPERIMENTAL)
public class RemoveRedundantTypeFilterRule
extends PlannerRule<LogicalTypeFilterExpression>

A rule that eliminates logical type filters that are completely redundant; that is, when the child of the logical type filter is guaranteed to return records of types included in the filter.

Constructor Summary

Constructors

Constructor and Description
RemoveRedundantTypeFilterRule()

Method Summary

Modifier and Type	Method and Description
void	onMatch(PlannerRuleCall call)

Methods inherited from class com.apple.foundationdb.record.query.plan.temp.PlannerRule

getMatcher, getRootOperator, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

RemoveRedundantTypeFilterRule

public RemoveRedundantTypeFilterRule()

Method Detail

onMatch

public void onMatch(@Nonnull
                    PlannerRuleCall call)

Specified by:

onMatch in class PlannerRule<LogicalTypeFilterExpression>