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(Metadata metadata)

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(Metadata metadata, 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 Detail

PushAggregationIntoTableScan

public PushAggregationIntoTableScan(Metadata metadata)

Method Detail

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(Metadata metadata,
                                                              Rule.Context context,
                                                              PlanNode aggregationNode,
                                                              TableScanNode tableScan,
                                                              Map<Symbol,AggregationNode.Aggregation> aggregations,
                                                              List<Symbol> groupingKeys)