Package org.teiid.query.optimizer.relational.rules

Class RuleChooseDependent

java.lang.Object

org.teiid.query.optimizer.relational.rules.RuleChooseDependent

All Implemented Interfaces:

OptimizerRule

public final class RuleChooseDependent
extends Object
implements OptimizerRule

Finds nodes that can be turned into dependent joins

Field Summary

Fields

Modifier and Type	Field	Description
static int	DEFAULT_INDEPENDENT_CARDINALITY
static int	UNKNOWN_INDEPENDENT_CARDINALITY

Constructor Summary

Constructors

Constructor	Description
RuleChooseDependent()
RuleChooseDependent(boolean b)

Method Summary

Modifier and Type	Method	Description
PlanNode	execute(PlanNode plan, QueryMetadataInterface metadata, CapabilitiesFinder capFinder, RuleStack rules, AnalysisRecord analysisRecord, CommandContext context)
static PlanNode	getDependentCriteriaNode(String id, List<Expression> independentExpressions, List<Expression> dependentExpressions, PlanNode indNode, QueryMetadataInterface metadata, NewCalculateCostUtil.DependentCostAnalysis dca, Boolean bound, Option.MakeDep makeDep)
static String	nextId()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_INDEPENDENT_CARDINALITY

public static final int DEFAULT_INDEPENDENT_CARDINALITY

UNKNOWN_INDEPENDENT_CARDINALITY

public static final int UNKNOWN_INDEPENDENT_CARDINALITY

See Also:

Constant Field Values

Constructor Detail

RuleChooseDependent

public RuleChooseDependent()

RuleChooseDependent

public RuleChooseDependent(boolean b)

Method Detail

execute

public PlanNode execute(PlanNode plan,
                        QueryMetadataInterface metadata,
                        CapabilitiesFinder capFinder,
                        RuleStack rules,
                        AnalysisRecord analysisRecord,
                        CommandContext context)
                 throws QueryPlannerException,
                        QueryMetadataException,
                        TeiidComponentException

Specified by:

execute in interface OptimizerRule

Throws:

QueryPlannerException

QueryMetadataException

TeiidComponentException

nextId

public static String nextId()

getDependentCriteriaNode

public static PlanNode getDependentCriteriaNode(String id,
                                                List<Expression> independentExpressions,
                                                List<Expression> dependentExpressions,
                                                PlanNode indNode,
                                                QueryMetadataInterface metadata,
                                                NewCalculateCostUtil.DependentCostAnalysis dca,
                                                Boolean bound,
                                                Option.MakeDep makeDep)
                                         throws QueryMetadataException,
                                                TeiidComponentException

Parameters:

independentExpressions -

dependentExpressions -

makeDep -

Returns:

Throws:

TeiidComponentException

QueryMetadataException

Since:

4.3

toString

public String toString()

Overrides:

toString in class Object