Package io.trino.cost

Class TableScanStatsRule

java.lang.Object

io.trino.cost.SimpleStatsRule<TableScanNode>

io.trino.cost.TableScanStatsRule

All Implemented Interfaces:

ComposableStatsCalculator.Rule<TableScanNode>

public class TableScanStatsRule
extends SimpleStatsRule<TableScanNode>

Constructor Summary

Constructors

Constructor	Description
TableScanStatsRule(StatsNormalizer normalizer)

Method Summary

Modifier and Type	Method	Description
protected Optional<PlanNodeStatsEstimate>	doCalculate(TableScanNode node, StatsProvider sourceStats, Lookup lookup, Session session, TypeProvider types, TableStatsProvider tableStatsProvider)
Pattern<TableScanNode>	getPattern()

Methods inherited from class io.trino.cost.SimpleStatsRule

calculate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

TableScanStatsRule

public TableScanStatsRule(StatsNormalizer normalizer)

Method Details

getPattern

public Pattern<TableScanNode> getPattern()

doCalculate

protected Optional<PlanNodeStatsEstimate> doCalculate(TableScanNode node,
 StatsProvider sourceStats,
 Lookup lookup,
 Session session,
 TypeProvider types,
 TableStatsProvider tableStatsProvider)

Specified by:

doCalculate in class SimpleStatsRule<TableScanNode>