Package io.prestosql.cost
Class AssignUniqueIdStatsRule
- java.lang.Object
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- io.prestosql.cost.AssignUniqueIdStatsRule
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- All Implemented Interfaces:
ComposableStatsCalculator.Rule<AssignUniqueId>
public class AssignUniqueIdStatsRule extends Object implements ComposableStatsCalculator.Rule<AssignUniqueId>
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Constructor Summary
Constructors Constructor Description AssignUniqueIdStatsRule()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Optional<PlanNodeStatsEstimate>
calculate(AssignUniqueId assignUniqueId, StatsProvider statsProvider, Lookup lookup, Session session, TypeProvider types)
Pattern<AssignUniqueId>
getPattern()
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Method Detail
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getPattern
public Pattern<AssignUniqueId> getPattern()
- Specified by:
getPattern
in interfaceComposableStatsCalculator.Rule<AssignUniqueId>
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calculate
public Optional<PlanNodeStatsEstimate> calculate(AssignUniqueId assignUniqueId, StatsProvider statsProvider, Lookup lookup, Session session, TypeProvider types)
- Specified by:
calculate
in interfaceComposableStatsCalculator.Rule<AssignUniqueId>
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