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

Class PushConjunctElementWithComparisonIntoExistingScanRule

java.lang.Object

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

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

@API(EXPERIMENTAL)
public class PushConjunctElementWithComparisonIntoExistingScanRule
extends PlannerRule<LogicalFilterExpression>

A rule that selects one of the ComponentWithComparison conjuncts from an AND and tries to push it into an existing logical scan.

See Also:

for a very similar rule for s that are not conjuncts or if there are no other predicates where otherPreds' are rebased with respect to a translation from qun to newQun and elementComparison is computed from elementPred.

Constructor Summary

Constructors

Constructor	Description
PushConjunctElementWithComparisonIntoExistingScanRule()

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

PushConjunctElementWithComparisonIntoExistingScanRule

public PushConjunctElementWithComparisonIntoExistingScanRule()

Method Detail

onMatch

public void onMatch(@Nonnull
                    PlannerRuleCall call)

Specified by:

onMatch in class PlannerRule<LogicalFilterExpression>