Class OptimizeMixedDistinctAggregations

java.lang.Object

io.trino.sql.planner.iterative.rule.OptimizeMixedDistinctAggregations

All Implemented Interfaces:

Rule<AggregationNode>

public class OptimizeMixedDistinctAggregations
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
OptimizeMixedDistinctAggregations(PlannerContext plannerContext, TaskCountEstimator taskCountEstimator)

Method Summary

Modifier and Type	Method	Description
Rule.Result	apply(AggregationNode node, Captures captures, Rule.Context context)
static boolean	canUsePreAggregate(AggregationNode aggregationNode)
static long	distinctAggregationsUniqueArgumentCount(AggregationNode aggregationNode)
Pattern<AggregationNode>	getPattern()	Returns a pattern to which plan nodes this rule applies.
static boolean	hasMultipleDistincts(AggregationNode aggregationNode)

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

OptimizeMixedDistinctAggregations

public OptimizeMixedDistinctAggregations(PlannerContext plannerContext,
 TaskCountEstimator taskCountEstimator)

Method Details

canUsePreAggregate

public static boolean canUsePreAggregate(AggregationNode aggregationNode)

hasMultipleDistincts

public static boolean hasMultipleDistincts(AggregationNode aggregationNode)

distinctAggregationsUniqueArgumentCount

public static long distinctAggregationsUniqueArgumentCount(AggregationNode aggregationNode)

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>