Package io.trino.cost
package io.trino.cost
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ClassDescriptionComposableStatsCalculator.Rule<T extends PlanNode>Simple implementation of CostCalculator.A wrapper around CostCalculator that estimates ExchangeNodes cost.AggregationStatsRule does not have sufficient information to provide accurate estimates on aggregated symbols.Represents inherent cost of some plan node, not including cost of its sources.Provides runtime information from FTE execution.It is not yet proven whether this heuristic is any better or worse.SimpleStatsRule<T extends PlanNode>Makes stats consistent