io.prestosql.sql.planner.iterative.rule

Class DetermineJoinDistributionType

java.lang.Object

io.prestosql.sql.planner.iterative.rule.DetermineJoinDistributionType

All Implemented Interfaces:

Rule<JoinNode>

public class DetermineJoinDistributionType
extends Object
implements Rule<JoinNode>

Nested Class Summary

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

Rule.Context, Rule.Result

Constructor Summary

Constructors

Constructor and Description
DetermineJoinDistributionType(CostComparator costComparator, TaskCountEstimator taskCountEstimator)

Method Summary

Modifier and Type	Method and Description
Rule.Result	apply(JoinNode joinNode, Captures captures, Rule.Context context)
static boolean	canReplicate(JoinNode joinNode, Rule.Context context)
Pattern<JoinNode>	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.prestosql.sql.planner.iterative.Rule

isEnabled

Constructor Detail

DetermineJoinDistributionType

public DetermineJoinDistributionType(CostComparator costComparator,
                                     TaskCountEstimator taskCountEstimator)

Method Detail

getPattern

public Pattern<JoinNode> getPattern()

Description copied from interface: Rule

Returns a pattern to which plan nodes this rule applies.

Specified by:

getPattern in interface Rule<JoinNode>

apply

public Rule.Result apply(JoinNode joinNode,
                         Captures captures,
                         Rule.Context context)

Specified by:

apply in interface Rule<JoinNode>

canReplicate

public static boolean canReplicate(JoinNode joinNode,
                                   Rule.Context context)