Class FilterWithElementWithComparisonRule
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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.FilterWithElementWithComparisonRule
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@API(EXPERIMENTAL) public class FilterWithElementWithComparisonRule extends PlannerRule<LogicalFilterExpression>
A rewrite rule that turns a logical filter on the results of a full scan (without a sort) into an index scan on a compatibly ordered index.+----------------------------+ +-------------------------------------+ | | | | | LogicalFilterExpression | | IndexEntrySourceScanExpression | | element <>= val | | scan ranges | | | | | +-------------+--------------+ +-------------------------------------+ | +------------------> | | +--------------+----------------+ | | | FullUnorderedScanExpression | | | +-------------------------------+
RecordQueryPlanner
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Constructor Summary
Constructors Constructor Description FilterWithElementWithComparisonRule()
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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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