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

Packages that use Metadata

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	Defines relational expressions.
org.apache.calcite.rel.metadata	Defines metadata interfaces and utilities for relational expressions.

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

Methods in org.apache.calcite.plan.hep with type parameters of type Metadata

Modifier and Type	Method and Description
<M extends Metadata> UnboundMetadata<M>	HepRelMetadataProvider.apply(Class<? extends RelNode> relClass, Class<? extends M> metadataClass)
<M extends Metadata> com.google.common.collect.Multimap<Method,MetadataHandler<M>>	HepRelMetadataProvider.handlers(MetadataDef<M> def)

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

Methods in org.apache.calcite.plan.volcano with type parameters of type Metadata

Modifier and Type	Method and Description
<M extends Metadata> UnboundMetadata<M>	VolcanoRelMetadataProvider.apply(Class<? extends RelNode> relClass, Class<? extends M> metadataClass)
<M extends Metadata> com.google.common.collect.Multimap<Method,MetadataHandler<M>>	VolcanoRelMetadataProvider.handlers(MetadataDef<M> def)

Uses of Metadata in org.apache.calcite.rel

Methods in org.apache.calcite.rel with type parameters of type Metadata

Modifier and Type	Method and Description
<M extends Metadata> M	AbstractRelNode.metadata(Class<M> metadataClass, RelMetadataQuery mq)
<M extends Metadata> M	RelNode.metadata(Class<M> metadataClass, RelMetadataQuery mq) Returns a metadata interface.

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

Classes in org.apache.calcite.rel.metadata with type parameters of type Metadata

Modifier and Type	Class and Description
class	MetadataDef<M extends Metadata> Definition of metadata.
interface	MetadataHandler<M extends Metadata> Marker interface for a handler of metadata.
interface	UnboundMetadata<M extends Metadata> Metadata that needs to be bound to a RelNode and RelMetadataQuery before it can be used.

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

Modifier and Type	Interface and Description
(package private) static interface	BuiltInMetadata.All The built-in forms of metadata.
static interface	BuiltInMetadata.AllPredicates Metadata about the predicates that hold in the rows emitted from a relational expression.
static interface	BuiltInMetadata.Collation Metadata about which columns are sorted.
static interface	BuiltInMetadata.ColumnOrigin Metadata about the origins of columns.
static interface	BuiltInMetadata.ColumnUniqueness Metadata about whether a set of columns uniquely identifies a row.
static interface	BuiltInMetadata.CumulativeCost Metadata about the cost of evaluating a relational expression, including all of its inputs.
static interface	BuiltInMetadata.DistinctRowCount Metadata about the number of distinct rows returned by a set of columns in a relational expression.
static interface	BuiltInMetadata.Distribution Metadata about how a relational expression is distributed.
static interface	BuiltInMetadata.ExplainVisibility Metadata about whether a relational expression should appear in a plan.
static interface	BuiltInMetadata.ExpressionLineage Metadata about the origins of expressions.
static interface	BuiltInMetadata.MaxRowCount Metadata about the maximum number of rows returned by a relational expression.
static interface	BuiltInMetadata.Memory Metadata about the memory use of an operator.
static interface	BuiltInMetadata.MinRowCount Metadata about the minimum number of rows returned by a relational expression.
static interface	BuiltInMetadata.NodeTypes Metadata about the node types in a relational expression.
static interface	BuiltInMetadata.NonCumulativeCost Metadata about the cost of evaluating a relational expression, not including its inputs.
static interface	BuiltInMetadata.Parallelism Metadata about the degree of parallelism of a relational expression, and how its operators are assigned to processes with independent resource pools.
static interface	BuiltInMetadata.PercentageOriginalRows Metadata about the proportion of original rows that remain in a relational expression.
static interface	BuiltInMetadata.PopulationSize Metadata about the number of distinct values in the original source of a column or set of columns.
static interface	BuiltInMetadata.Predicates Metadata about the predicates that hold in the rows emitted from a relational expression.
static interface	BuiltInMetadata.RowCount Metadata about the number of rows returned by a relational expression.
static interface	BuiltInMetadata.Selectivity Metadata about the selectivity of a predicate.
static interface	BuiltInMetadata.Size Metadata about the size of rows and columns.
static interface	BuiltInMetadata.TableReferences Metadata to obtain references to tables used by a given expression.
static interface	BuiltInMetadata.UniqueKeys Metadata about which combinations of columns are unique identifiers.

Fields in org.apache.calcite.rel.metadata declared as Metadata

Modifier and Type	Field and Description
private Metadata	CachingRelMetadataProvider.CachingInvocationHandler.metadata

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

Modifier and Type	Field and Description
private com.google.common.cache.LoadingCache<Pair<Class<RelNode>,Class<Metadata>>,UnboundMetadata<Metadata>>	MetadataFactoryImpl.cache
private com.google.common.cache.LoadingCache<Pair<Class<RelNode>,Class<Metadata>>,UnboundMetadata<Metadata>>	MetadataFactoryImpl.cache
static UnboundMetadata<Metadata>	MetadataFactoryImpl.DUMMY
private Class<? extends Metadata>	ReflectiveRelMetadataProvider.metadataClass0
private Class<Metadata>	ReflectiveRelMetadataProvider.Space2.metadataClass0
private List<Metadata>	ChainedRelMetadataProvider.ChainedInvocationHandler.metadataList

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

Modifier and Type	Method and Description
<M extends Metadata> UnboundMetadata<M>	ReflectiveRelMetadataProvider.apply(Class<? extends RelNode> relClass)
<M extends Metadata> UnboundMetadata<M>	CachingRelMetadataProvider.apply(Class<? extends RelNode> relClass, Class<? extends M> metadataClass)
<M extends Metadata> UnboundMetadata<M>	ReflectiveRelMetadataProvider.apply(Class<? extends RelNode> relClass, Class<? extends M> metadataClass)
<M extends Metadata> UnboundMetadata<M>	RelMetadataProvider.apply(Class<? extends RelNode> relClass, Class<? extends M> metadataClass) Retrieves metadata of a particular type and for a particular sub-class of relational expression.
<M extends Metadata> UnboundMetadata<M>	JaninoRelMetadataProvider.apply(Class<? extends RelNode> relClass, Class<? extends M> metadataClass)
<M extends Metadata> UnboundMetadata<M>	ChainedRelMetadataProvider.apply(Class<? extends RelNode> relClass, Class<? extends M> metadataClass)
(package private) static <M extends Metadata> MetadataHandler<M>	JaninoRelMetadataProvider.compile(String className, String classBody, MetadataDef<M> def, List<Object> argList)
(package private) <M extends Metadata,H extends MetadataHandler<M>> H	JaninoRelMetadataProvider.create(MetadataDef<M> def)
<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)
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.
<M extends Metadata> M	MetadataFactoryImpl.query(RelNode rel, RelMetadataQuery mq, Class<M> metadataClazz)
<M extends Metadata> M	MetadataFactory.query(RelNode rel, RelMetadataQuery mq, Class<M> metadataClazz) Returns a metadata interface to get a particular kind of metadata from a particular relational expression.
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 types with arguments of type Metadata

Modifier and Type	Method and Description
private static com.google.common.cache.CacheLoader<Pair<Class<RelNode>,Class<Metadata>>,UnboundMetadata<Metadata>>	MetadataFactoryImpl.loader(RelMetadataProvider provider)
private static com.google.common.cache.CacheLoader<Pair<Class<RelNode>,Class<Metadata>>,UnboundMetadata<Metadata>>	MetadataFactoryImpl.loader(RelMetadataProvider provider)

Constructors in org.apache.calcite.rel.metadata with parameters of type Metadata

Constructor and Description
CachingInvocationHandler(Metadata metadata)

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

Constructor and Description
ChainedInvocationHandler(List<Metadata> metadataList)
ReflectiveRelMetadataProvider(ConcurrentMap<Class<RelNode>,UnboundMetadata> map, Class<? extends Metadata> metadataClass0, com.google.common.collect.Multimap<Method,MetadataHandler> handlerMap) Creates a ReflectiveRelMetadataProvider.
Space2(Class<Metadata> metadataClass0, com.google.common.collect.ImmutableMultimap<Method,MetadataHandler> providerMap)