Package io.trino.sql.planner.iterative.rule

Class PushAggregationIntoTableScan

java.lang.Object

io.trino.sql.planner.iterative.rule.PushAggregationIntoTableScan

All Implemented Interfaces:

Rule<AggregationNode>

public class PushAggregationIntoTableScan
extends Object
implements Rule<AggregationNode>

Nested Class Summary

Nested classes/interfaces inherited from interface io.trino.sql.planner.iterative.Rule

Rule.Context, Rule.Result

Constructor Summary

Constructors

Constructor	Description
PushAggregationIntoTableScan(PlannerContext plannerContext, IrTypeAnalyzer typeAnalyzer)

Method Summary

Modifier and Type	Method	Description
Rule.Result	apply(AggregationNode node, Captures captures, Rule.Context context)
Pattern<AggregationNode>	getPattern()	Returns a pattern to which plan nodes this rule applies.
boolean	isEnabled(Session session)
static Optional<PlanNode>	pushAggregationIntoTableScan(PlannerContext plannerContext, IrTypeAnalyzer typeAnalyzer, Rule.Context context, PlanNode aggregationNode, TableScanNode tableScan, Map<Symbol,AggregationNode.Aggregation> aggregations, List<Symbol> groupingKeys)

Methods inherited from class java.lang.Object

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

Constructor Details

PushAggregationIntoTableScan

public PushAggregationIntoTableScan(PlannerContext plannerContext,
 IrTypeAnalyzer typeAnalyzer)

Method Details

getPattern

public Pattern<AggregationNode> getPattern()

Description copied from interface: Rule

Returns a pattern to which plan nodes this rule applies.

Specified by:

getPattern in interface Rule<AggregationNode>

isEnabled

public boolean isEnabled(Session session)

Specified by:

isEnabled in interface Rule<AggregationNode>

apply

public Rule.Result apply(AggregationNode node,
 Captures captures,
 Rule.Context context)

Specified by:

apply in interface Rule<AggregationNode>

pushAggregationIntoTableScan

public static Optional<PlanNode> pushAggregationIntoTableScan(PlannerContext plannerContext,
 IrTypeAnalyzer typeAnalyzer,
 Rule.Context context,
 PlanNode aggregationNode,
 TableScanNode tableScan,
 Map<Symbol,AggregationNode.Aggregation> aggregations,
 List<Symbol> groupingKeys)