Uses of Interface
org.apache.calcite.rel.metadata.MetadataHandler

Packages that use MetadataHandler

Package	Description
org.apache.calcite.plan.hep	Provides a heuristic planner implementation for the interfaces in org.apache.calcite.plan.
org.apache.calcite.plan.volcano	Optimizes relational expressions.
org.apache.calcite.rel.metadata	Defines metadata interfaces and utilities for relational expressions.

Uses of MetadataHandler in org.apache.calcite.plan.hep

Methods in org.apache.calcite.plan.hep that return types with arguments of type MetadataHandler

Modifier and Type	Method and Description
<M extends Metadata> com.google.common.collect.Multimap<Method,MetadataHandler<M>>	HepRelMetadataProvider.handlers(MetadataDef<M> def)

Uses of MetadataHandler in org.apache.calcite.plan.volcano

Methods in org.apache.calcite.plan.volcano that return types with arguments of type MetadataHandler

Modifier and Type	Method and Description
<M extends Metadata> com.google.common.collect.Multimap<Method,MetadataHandler<M>>	VolcanoRelMetadataProvider.handlers(MetadataDef<M> def)

Uses of MetadataHandler in org.apache.calcite.rel.metadata

Subinterfaces of MetadataHandler in org.apache.calcite.rel.metadata

Modifier and Type	Interface and Description
static interface	BuiltInMetadata.AllPredicates.Handler Handler API.
static interface	BuiltInMetadata.Collation.Handler Handler API.
static interface	BuiltInMetadata.ColumnOrigin.Handler Handler API.
static interface	BuiltInMetadata.ColumnUniqueness.Handler Handler API.
static interface	BuiltInMetadata.CumulativeCost.Handler Handler API.
static interface	BuiltInMetadata.DistinctRowCount.Handler Handler API.
static interface	BuiltInMetadata.Distribution.Handler Handler API.
static interface	BuiltInMetadata.ExplainVisibility.Handler Handler API.
static interface	BuiltInMetadata.ExpressionLineage.Handler Handler API.
static interface	BuiltInMetadata.MaxRowCount.Handler Handler API.
static interface	BuiltInMetadata.Memory.Handler Handler API.
static interface	BuiltInMetadata.MinRowCount.Handler Handler API.
static interface	BuiltInMetadata.NodeTypes.Handler Handler API.
static interface	BuiltInMetadata.NonCumulativeCost.Handler Handler API.
static interface	BuiltInMetadata.Parallelism.Handler Handler API.
static interface	BuiltInMetadata.PercentageOriginalRows.Handler Handler API.
static interface	BuiltInMetadata.PopulationSize.Handler Handler API.
static interface	BuiltInMetadata.Predicates.Handler Handler API.
static interface	BuiltInMetadata.RowCount.Handler Handler API.
static interface	BuiltInMetadata.Selectivity.Handler Handler API.
static interface	BuiltInMetadata.Size.Handler Handler API.
static interface	BuiltInMetadata.TableReferences.Handler Handler API.
static interface	BuiltInMetadata.UniqueKeys.Handler Handler API.

Classes in org.apache.calcite.rel.metadata that implement MetadataHandler

Modifier and Type	Class and Description
class	RelMdAllPredicates Utility to extract Predicates that are present in the (sub)plan starting at this node.
class	RelMdCollation RelMdCollation supplies a default implementation of RelMetadataQuery.collations(org.apache.calcite.rel.RelNode) for the standard logical algebra.
class	RelMdColumnOrigins RelMdColumnOrigins supplies a default implementation of RelMetadataQuery.getColumnOrigins(org.apache.calcite.rel.RelNode, int) for the standard logical algebra.
class	RelMdColumnUniqueness RelMdColumnUniqueness supplies a default implementation of RelMetadataQuery.areColumnsUnique(org.apache.calcite.rel.RelNode, org.apache.calcite.util.ImmutableBitSet) for the standard logical algebra.
class	RelMdDistinctRowCount RelMdDistinctRowCount supplies a default implementation of RelMetadataQuery.getDistinctRowCount(org.apache.calcite.rel.RelNode, org.apache.calcite.util.ImmutableBitSet, org.apache.calcite.rex.RexNode) for the standard logical algebra.
class	RelMdDistribution RelMdCollation supplies a default implementation of RelMetadataQuery.distribution(org.apache.calcite.rel.RelNode) for the standard logical algebra.
class	RelMdExplainVisibility RelMdExplainVisibility supplies a default implementation of RelMetadataQuery.isVisibleInExplain(org.apache.calcite.rel.RelNode, org.apache.calcite.sql.SqlExplainLevel) for the standard logical algebra.
class	RelMdExpressionLineage Default implementation of RelMetadataQuery.getExpressionLineage(org.apache.calcite.rel.RelNode, org.apache.calcite.rex.RexNode) for the standard logical algebra.
class	RelMdMaxRowCount RelMdMaxRowCount supplies a default implementation of RelMetadataQuery.getMaxRowCount(org.apache.calcite.rel.RelNode) for the standard logical algebra.
class	RelMdMemory Default implementations of the BuiltInMetadata.Memory metadata provider for the standard logical algebra.
class	RelMdMinRowCount RelMdMinRowCount supplies a default implementation of RelMetadataQuery.getMinRowCount(org.apache.calcite.rel.RelNode) for the standard logical algebra.
class	RelMdNodeTypes RelMdNodeTypeCount supplies a default implementation of RelMetadataQuery.getNodeTypes(org.apache.calcite.rel.RelNode) for the standard logical algebra.
class	RelMdParallelism Default implementations of the BuiltInMetadata.Parallelism metadata provider for the standard logical algebra.
class	RelMdPercentageOriginalRows RelMdPercentageOriginalRows supplies a default implementation of RelMetadataQuery.getPercentageOriginalRows(org.apache.calcite.rel.RelNode) for the standard logical algebra.
class	RelMdPopulationSize RelMdPopulationSize supplies a default implementation of RelMetadataQuery.getPopulationSize(org.apache.calcite.rel.RelNode, org.apache.calcite.util.ImmutableBitSet) for the standard logical algebra.
class	RelMdPredicates Utility to infer Predicates that are applicable above a RelNode.
class	RelMdRowCount RelMdRowCount supplies a default implementation of RelMetadataQuery.getRowCount(org.apache.calcite.rel.RelNode) for the standard logical algebra.
class	RelMdSelectivity RelMdSelectivity supplies a default implementation of RelMetadataQuery.getSelectivity(org.apache.calcite.rel.RelNode, org.apache.calcite.rex.RexNode) for the standard logical algebra.
class	RelMdSize Default implementations of the BuiltInMetadata.Size metadata provider for the standard logical algebra.
class	RelMdTableReferences Default implementation of RelMetadataQuery.getTableReferences(org.apache.calcite.rel.RelNode) for the standard logical algebra.
class	RelMdUniqueKeys RelMdUniqueKeys supplies a default implementation of RelMetadataQuery.getUniqueKeys(org.apache.calcite.rel.RelNode) for the standard logical algebra.

Fields in org.apache.calcite.rel.metadata with type parameters of type MetadataHandler

Modifier and Type	Field and Description
Class<? extends MetadataHandler<M>>	MetadataDef.handlerClass
private com.google.common.collect.ImmutableMultimap<Method,MetadataHandler>	ReflectiveRelMetadataProvider.handlerMap
private static com.google.common.cache.LoadingCache<JaninoRelMetadataProvider.Key,MetadataHandler>	JaninoRelMetadataProvider.HANDLERS Cache of pre-generated handlers by provider and kind of metadata.
(package private) com.google.common.collect.ImmutableMultimap<Method,MetadataHandler>	ReflectiveRelMetadataProvider.Space.providerMap

Methods in org.apache.calcite.rel.metadata with type parameters of type MetadataHandler

Modifier and Type	Method and Description
(package private) <M extends Metadata,H extends MetadataHandler<M>> H	JaninoRelMetadataProvider.create(MetadataDef<M> def)
protected <M extends Metadata,H extends MetadataHandler<M>> H	RelMetadataQuery.revise(Class<? extends RelNode> class_, MetadataDef<M> def) Re-generates the handler for a given kind of metadata, adding support for class_ if it is not already present.
(package private) <M extends Metadata,H extends MetadataHandler<M>> H	JaninoRelMetadataProvider.revise(Class<? extends RelNode> rClass, MetadataDef<M> def)

Methods in org.apache.calcite.rel.metadata that return MetadataHandler

Modifier and Type	Method and Description
(package private) static <M extends Metadata> MetadataHandler<M>	JaninoRelMetadataProvider.compile(String className, String classBody, MetadataDef<M> def, List<Object> argList)
private static <M extends Metadata> MetadataHandler<M>	JaninoRelMetadataProvider.load3(MetadataDef<M> def, com.google.common.collect.Multimap<Method,MetadataHandler<M>> map, com.google.common.collect.ImmutableList<Class<? extends RelNode>> relClasses)

Methods in org.apache.calcite.rel.metadata that return types with arguments of type MetadataHandler

Modifier and Type	Method and Description
<M extends Metadata> com.google.common.collect.Multimap<Method,MetadataHandler<M>>	CachingRelMetadataProvider.handlers(MetadataDef<M> def)
<M extends Metadata> com.google.common.collect.Multimap<Method,MetadataHandler<M>>	ReflectiveRelMetadataProvider.handlers(MetadataDef<M> def)
<M extends Metadata> com.google.common.collect.Multimap<Method,MetadataHandler<M>>	RelMetadataProvider.handlers(MetadataDef<M> def)
<M extends Metadata> com.google.common.collect.Multimap<Method,MetadataHandler<M>>	JaninoRelMetadataProvider.handlers(MetadataDef<M> def)
<M extends Metadata> com.google.common.collect.Multimap<Method,MetadataHandler<M>>	ChainedRelMetadataProvider.handlers(MetadataDef<M> def)

Methods in org.apache.calcite.rel.metadata with parameters of type MetadataHandler

Modifier and Type	Method and Description
static ReflectiveRelMetadataProvider.Space2	ReflectiveRelMetadataProvider.Space2.create(MetadataHandler target, com.google.common.collect.ImmutableList<Method> methods)
private static RelMetadataProvider	ReflectiveRelMetadataProvider.reflectiveSource(MetadataHandler target, com.google.common.collect.ImmutableList<Method> methods)
static RelMetadataProvider	ReflectiveRelMetadataProvider.reflectiveSource(MetadataHandler target, Method... methods) Returns a reflective metadata provider that implements several methods.
static RelMetadataProvider	ReflectiveRelMetadataProvider.reflectiveSource(Method method, MetadataHandler target) Returns an implementation of RelMetadataProvider that scans for methods with a preceding argument.

Method parameters in org.apache.calcite.rel.metadata with type arguments of type MetadataHandler

Modifier and Type	Method and Description
private static String	JaninoRelMetadataProvider.findProvider(List<Pair<String,MetadataHandler>> providerList, Class<?> declaringClass)
private static <M extends Metadata> MetadataHandler<M>	JaninoRelMetadataProvider.load3(MetadataDef<M> def, com.google.common.collect.Multimap<Method,MetadataHandler<M>> map, com.google.common.collect.ImmutableList<Class<? extends RelNode>> relClasses)
static <M extends Metadata> MetadataDef<M>	MetadataDef.of(Class<M> metadataClass, Class<? extends MetadataHandler<M>> handlerClass, Method... methods) Creates a MetadataDef.

Constructor parameters in org.apache.calcite.rel.metadata with type arguments of type MetadataHandler

Constructor and Description
MetadataDef(Class<M> metadataClass, Class<? extends MetadataHandler<M>> handlerClass, Method... methods)
ReflectiveRelMetadataProvider(ConcurrentMap<Class<RelNode>,UnboundMetadata> map, Class<? extends Metadata> metadataClass0, com.google.common.collect.Multimap<Method,MetadataHandler> handlerMap) Creates a ReflectiveRelMetadataProvider.
Space(com.google.common.collect.Multimap<Method,MetadataHandler> providerMap)
Space2(Class<Metadata> metadataClass0, com.google.common.collect.ImmutableMultimap<Method,MetadataHandler> providerMap)