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

Class ImplementUnorderedUnionRule

java.lang.Object

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

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

@API(EXPERIMENTAL)
public class ImplementUnorderedUnionRule
extends PlannerRule<LogicalUnorderedUnionExpression>

A rule that implements an unordered union of its (already implemented) children. This will extract the RecordQueryPlan from each child of a LogicalUnorderedUnionExpression and create a RecordQueryUnorderedUnionPlan with those plans as children.

Constructor Summary

Constructors

Constructor	Description
ImplementUnorderedUnionRule()

Method Summary

Modifier and Type	Method	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

ImplementUnorderedUnionRule

public ImplementUnorderedUnionRule()

Method Detail

onMatch

public void onMatch(@Nonnull
                    PlannerRuleCall call)

Specified by:

onMatch in class PlannerRule<LogicalUnorderedUnionExpression>