Class PushDistinctFilterBelowFilterRule
- java.lang.Object
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- com.apple.foundationdb.record.query.plan.temp.PlannerRule<RecordQueryUnorderedPrimaryKeyDistinctPlan>
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- com.apple.foundationdb.record.query.plan.temp.rules.PushDistinctFilterBelowFilterRule
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public class PushDistinctFilterBelowFilterRule extends PlannerRule<RecordQueryUnorderedPrimaryKeyDistinctPlan>
A rule that moves aRecordQueryUnorderedPrimaryKeyDistinctPlan
below aRecordQueryFilterPlan
. While this doesn't make a difference in terms of plan semantics it ensures that the generated plans have the same form as those produced by theRecordQueryPlanner
.
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Constructor Summary
Constructors Constructor Description PushDistinctFilterBelowFilterRule()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
onMatch(PlannerRuleCall call)
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Methods inherited from class com.apple.foundationdb.record.query.plan.temp.PlannerRule
getMatcher, getRootOperator, toString
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Method Detail
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onMatch
public void onMatch(@Nonnull PlannerRuleCall call)
- Specified by:
onMatch
in classPlannerRule<RecordQueryUnorderedPrimaryKeyDistinctPlan>
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