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

Class RemoveEmptyGlobalAggregation

java.lang.Object

io.trino.sql.planner.iterative.rule.RemoveEmptyGlobalAggregation

All Implemented Interfaces:

Rule<AggregationNode>

public class RemoveEmptyGlobalAggregation
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
RemoveEmptyGlobalAggregation()

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.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.trino.sql.planner.iterative.Rule

isEnabled

Constructor Details

RemoveEmptyGlobalAggregation

public RemoveEmptyGlobalAggregation()

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>

apply

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

Specified by:

apply in interface Rule<AggregationNode>