Class PushElementWithComparisonIntoExistingScanRule
- java.lang.Object
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- com.apple.foundationdb.record.query.plan.temp.PlannerRule<LogicalFilterExpression>
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- com.apple.foundationdb.record.query.plan.temp.rules.PushElementWithComparisonIntoExistingScanRule
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@API(EXPERIMENTAL) public class PushElementWithComparisonIntoExistingScanRule extends PlannerRule<LogicalFilterExpression>
A simple rule that looks for aComponentWithComparison
predicate and a compatibly ordered index scan comparison down to the index scan.+-----------------------------+ +----------------------------------+ | | | | | LogicalFilterExpression | +------> | IndexEntrySourceScanExpression | | elementPred | | elementComparison ∪ comparisons | | | | | +-------------+---------------+ +----------------------------------+ | | | +---------------+------------------+ | | | IndexEntrySourceScanExpression | | comparisons | | | +----------------------------------+
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Constructor Summary
Constructors Constructor Description PushElementWithComparisonIntoExistingScanRule()
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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<LogicalFilterExpression>
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