Microsoft.EntityFrameworkCore.Metadata Namespace

Classes

AdHocMapper	Creates ad-hoc mappings of CLR types to entity types after the model has been built.
AdHocMapperDependencies	Service dependencies parameter class for AdHocMapper This type is typically used by database providers (and other extensions). It is generally not used in application code.
ConfigurationSourceExtensions	Provides extension methods for ConfigurationSource
ConstructorBinding	Defines the binding of parameters to a CLR ConstructorInfo for an entity type.
ContextParameterBinding	Describes the binding of a DbContext, which may or may not also have and associated IServiceProperty, to a parameter in a constructor, factory method, or similar.
DefaultValueBinding	Defines the binding of parameters to create the default value of a type.
DependencyInjectionMethodParameterBinding	Describes the binding from a method on an EF internal dependency injection service, which may or may not also have and associated IServiceProperty, to a parameter in a constructor, factory method, or similar.
DependencyInjectionParameterBinding	Describes the binding from an EF internal dependency injection service, which may or may not also have and associated IServiceProperty, to a parameter in a constructor, factory method, or similar.
EntityTypeFullNameComparer	An implementation of IComparer<T> and IEqualityComparer<T> to compare IReadOnlyEntityType instances by the full unique name. This type is typically used by database providers (and other extensions). It is generally not used in application code.
EntityTypeParameterBinding	Describes the binding of a IEntityType, which may or may not also have and associated IServiceProperty, to a parameter in a constructor, factory method, or similar.
FactoryMethodBinding	Defines the binding of parameters to a factory method.
ForeignKeyComparer	An implementation of IComparer<T> and IEqualityComparer<T> to compare IReadOnlyForeignKey instances. This type is typically used by database providers (and other extensions). It is generally not used in application code.
IndexComparer	An implementation of IComparer<T> and IEqualityComparer<T> to compare IReadOnlyIndex instances. This type is typically used by database providers (and other extensions). It is generally not used in application code.
InstantiationBinding	Defines how to create an entity instance through the binding of EF model properties to, for example, constructor parameters or parameters of a factory method.
KeyComparer	An implementation of IComparer<T> and IEqualityComparer<T> to compare IReadOnlyKey instances. This type is typically used by database providers (and other extensions). It is generally not used in application code.
LazyLoaderParameterBindingFactory	A IParameterBindingFactory for binding to the ILazyLoader service.
LazyLoaderParameterBindingFactoryDependencies	Service dependencies parameter class for LazyLoaderParameterBindingFactory This type is typically used by database providers (and other extensions). It is generally not used in application code.
ObjectArrayParameterBinding	Describes the binding from many EF model properties, dependency injection services, or metadata types to a new array of objects suitable for passing to a general purpose factory method such as is often used for creating proxies.
ParameterBinding	Describes the binding from one or many EF model properties, dependency injection services, or metadata types to a parameter in a constructor, factory method, or similar.
PropertyParameterBinding	Describes the binding from an IProperty to a parameter in a constructor, factory method, or similar.
RelationalAdHocMapper	Creates ad-hoc mappings of CLR types to entity types after the model has been built.
RelationalAdHocMapperDependencies	Service dependencies parameter class for RelationalAdHocMapper This type is typically used by database providers (and other extensions). It is generally not used in application code.
RelationalAnnotationNames	Names for well-known relational model annotations. Applications should not use these names directly, but should instead use the extension methods on metadata objects.
RelationalAnnotationProvider	A base class inherited by database providers that gives access to annotations used by relational EF Core components on various elements of the IReadOnlyModel.
RelationalAnnotationProviderDependencies	Service dependencies parameter class for RelationalAnnotationProvider This type is typically used by database providers (and other extensions). It is generally not used in application code.
RuntimeComplexProperty	Represents a complex property of a structural type.
RuntimeComplexType	Represents the type of a complex property of a structural type.
RuntimeDbFunction	Represents a relational database function in a model.
RuntimeDbFunctionParameter	Represents a function parameter.
RuntimeElementType	Represents the elements of a collection property.
RuntimeEntityType	Represents an entity type in a model.
RuntimeEntityTypeMappingFragment	Represents entity type mapping for a particular table-like store object.
RuntimeForeignKey	Represents a relationship where a foreign key composed of properties on the dependent entity type references a corresponding primary or alternate key on the principal entity type.
RuntimeIndex	Represents an index on a set of properties.
RuntimeKey	Represents a primary or alternate key on an entity type.
RuntimeModel	Metadata about the shape of entities, the relationships between them, and how they map to the database. A model is typically created by overriding the OnModelCreating(ModelBuilder) method on a derived DbContext.
RuntimeNavigation	Represents a navigation property which can be used to navigate a relationship.
RuntimeProperty	Represents a scalar property of an structural type.
RuntimePropertyBase	Base type for navigations and properties.
RuntimeRelationalPropertyOverrides	Represents property facet overrides for a particular table-like store object.
RuntimeSequence	Represents a database sequence in the model.
RuntimeServiceProperty	Represents a property on an entity type that represents an injected service from the DbContext.
RuntimeSkipNavigation	Represents a navigation property that is part of a relationship that is forwarded through a third entity type.
RuntimeStoredProcedure	This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.
RuntimeTrigger	Represents a database trigger on a table.
RuntimeTypeBase	Represents a structural type in a model.
RuntimeTypeMappingConfiguration	Represents scalar type configuration.
ServiceParameterBinding	Describes the binding from an EF dependency injection service, or metadata type, which may or may not also have and associated IServiceProperty, to a parameter in a constructor, factory method, or similar.
ServiceParameterBindingFactory	A IParameterBindingFactory for binding to dependency-injected services.
SimpleModelFactory	Creates instances of IMutableModel that have no conventions. This is useful when exhaustively configuring a model based on some existing metadata. This is typically not used in application code since building a model by overriding OnModelCreating(ModelBuilder) or using ModelBuilder directly is much easier.
StoreObjectDictionary<T>	Represents a lookup based on StoreObjectIdentifier keys.
TypeBaseNameComparer	An implementation of IComparer<T> and IEqualityComparer<T> to compare IReadOnlyTypeBase instances by name. This type is typically used by database providers (and other extensions). It is generally not used in application code.

Structs

MemberIdentity	Represents the identity of an entity type member, can be based on MemberInfo or just the name.
ParameterBindingInfo	Carries information about a parameter binding.
StoreObjectIdentifier	A type that represents the id of a store object

Interfaces

IAdHocMapper	Creates ad-hoc mappings of CLR types to entity types after the model has been built.
ICheckConstraint	Represents a check constraint on the entity type.
IClrCollectionAccessor	Represents operations backed by compiled delegates that allow manipulation of collections on navigation properties. This type is typically used by database providers (and other extensions). It is generally not used in application code.
IClrPropertyGetter	Represents operations backed by compiled delegates that support getting the value of a mapped EF property. This type is typically used by database providers (and other extensions). It is generally not used in application code.
IClrPropertySetter	Represents operations backed by compiled delegates that support setting the value of a mapped EF property. This type is typically used by database providers (and other extensions). It is generally not used in application code.
IColumn	Represents a column in a table.
IColumnBase	Represents a column-like object in a table-like object.
IColumnMapping	Represents property mapping to a column.
IColumnMappingBase	Represents property mapping to a column-like object.
IComplexProperty	Represents a complex property of a structural type.
IComplexType	Represents the type of a complex property of a structural type.
IConstructorBindingFactory	A factory for finding and creating InstantiationBinding instances for a given CLR constructor.
IConventionAnnotatable	A class that exposes annotations that can be modified. Annotations allow for arbitrary metadata to be stored on an object. This interface is typically used by database providers (and other extensions). It is generally not used in application code.
IConventionAnnotation	An arbitrary piece of metadata that can be stored on an object that implements IConventionAnnotatable. This interface is typically used by database providers (and other extensions). It is generally not used in application code.
IConventionCheckConstraint	Represents a check constraint on the entity type.
IConventionComplexProperty	Represents a complex property of a structural type.
IConventionComplexType	Represents the type of a complex property of a structural type.
IConventionDbFunction	Represents a relational database function in a model in the form that can be mutated while the model is being built.
IConventionDbFunctionParameter	Represents a function parameter.
IConventionElementType	Represents the elements of a collection property.
IConventionEntityType	Represents an entity type in an IConventionModel. This interface is used during model creation and allows the metadata to be modified. Once the model is built, IEntityType represents a read-only view of the same metadata.
IConventionEntityTypeMappingFragment	Represents entity type mapping for a particular table-like store object.
IConventionForeignKey	Represents a relationship where a foreign key property(s) in a dependent entity type reference a corresponding primary or alternate key in a principal entity type.
IConventionIndex	Represents an index on a set of properties.
IConventionKey	Represents a primary or alternate key on an entity.
IConventionModel	Metadata about the shape of entities, the relationships between them, and how they map to the database. A model is typically created by overriding the OnModelCreating(ModelBuilder) method on a derived DbContext.
IConventionNavigation	Represents a navigation property which can be used to navigate a relationship.
IConventionNavigationBase	Represents a navigation property which can be used to navigate a relationship.
IConventionProperty	Represents a scalar property of a structural type.
IConventionPropertyBase	Base type for navigation and scalar properties.
IConventionRelationalPropertyOverrides	Represents property facet overrides for a particular table-like store object.
IConventionSequence	Represents a database sequence in the model in a form that can be mutated while building the model.
IConventionServiceProperty	A IReadOnlyPropertyBase in the Entity Framework model that represents an injected service from the DbContext.
IConventionSkipNavigation	Represents a navigation property that is part of a relationship that is forwarded through a third entity type.
IConventionStoredProcedure	Represents a stored procedure in a model in the form that can be mutated while the model is being built.
IConventionStoredProcedureParameter	Represents a stored procedure parameter.
IConventionStoredProcedureResultColumn	Represents a stored procedure result column.
IConventionTrigger	Represents a store trigger.
IConventionTypeBase	Represents a type in an IConventionModel.
IDbFunction	Represents a relational database function in a model.
IDbFunctionParameter	Represents a function parameter.
IDesignTimeModel	The metadata about the shape of entities, the relationships between them, and how they map to the database. Also includes all the information necessary to initialize the database.
IElementType	Represents the elements of a collection property.
IEntityType	Represents an entity type in a model.
IEntityTypeMappingFragment	Represents entity type mapping for a particular table-like store object.
IForeignKey	Represents a relationship where a foreign key composed of properties on the dependent entity type references a corresponding primary or alternate key on the principal entity type.
IForeignKeyConstraint	Represents a foreign key constraint.
IFunctionColumn	Represents a column in a table-valued function.
IFunctionColumnMapping	Represents property mapping to a column.
IFunctionMapping	Represents entity type mapping to a function.
IIndex	Represents an index on a set of properties.
IKey	Represents a primary or alternate key on an entity type.
IMetadataReference<T>	Represents a reference to a metadata object. If the metadata object instance is replaced this will be updated with the new object.
IModel	Metadata about the shape of entities, the relationships between them, and how they map to the database. A model is typically created by overriding the OnModelCreating(ModelBuilder) method on a derived DbContext.
IMutableAnnotatable	A class that exposes annotations that can be modified. Annotations allow for arbitrary metadata to be stored on an object. This interface is typically used by database providers (and other extensions). It is generally not used in application code.
IMutableCheckConstraint	Represents a check constraint on the entity type.
IMutableComplexProperty	Represents a complex property of a structural type.
IMutableComplexType	Represents the type of a complex property of a structural type.
IMutableDbFunction	Represents a relational database function in an model in the form that can be mutated while the model is being built.
IMutableDbFunctionParameter	Represents a function parameter.
IMutableElementType	Represents the elements of a collection property.
IMutableEntityType	Represents an entity type in an IMutableModel.
IMutableEntityTypeMappingFragment	Represents entity type mapping for a particular table-like store object.
IMutableForeignKey	Represents a relationship where a foreign key property(s) in a dependent entity type reference a corresponding primary or alternate key in a principal entity type.
IMutableIndex	Represents an index on a set of properties.
IMutableKey	Represents a primary or alternate key on an entity.
IMutableModel	Metadata about the shape of entities, the relationships between them, and how they map to the database. A model is typically created by overriding the OnModelCreating(ModelBuilder) method on a derived DbContext.
IMutableNavigation	Represents a navigation property which can be used to navigate a relationship.
IMutableNavigationBase	Represents a navigation property which can be used to navigate a relationship.
IMutableProperty	Represents a scalar property of a structural type.
IMutablePropertyBase	Base type for navigation and scalar properties.
IMutableRelationalPropertyOverrides	Represents property facet overrides for a particular table-like store object.
IMutableSequence	Represents a database sequence in the model.
IMutableServiceProperty	A IReadOnlyPropertyBase in the Entity Framework model that represents an injected service from the DbContext.
IMutableSkipNavigation	Represents a navigation property that is part of a relationship that is forwarded through a third entity type.
IMutableStoredProcedure	Represents a stored procedure in a model in the form that can be mutated while the model is being built.
IMutableStoredProcedureParameter	Represents a stored procedure parameter.
IMutableStoredProcedureResultColumn	Represents a stored procedure result column.
IMutableTrigger	Represents a store trigger.
IMutableTypeBase	Represents a type in an IMutableModel.
INavigation	Represents a navigation property which can be used to navigate a relationship.
INavigationBase	Represents a navigation property which can be used to navigate a relationship.
IParameterBindingFactories	Allows a IParameterBindingFactory to be found from those registered in the internal service provider.
IParameterBindingFactory	Factory for finding and creating ParameterBinding instances.
IPrimaryKeyConstraint	Represents a primary key constraint.
IProperty	Represents a scalar property of a structural type.
IPropertyBase	Base interface for navigations and properties.
IPropertyParameterBindingFactory	Finds a ParameterBinding specifically for some form of property (that is, some IPropertyBase) of the model.
IReadOnlyCheckConstraint	Represents a check constraint on the entity type.
IReadOnlyComplexProperty	Represents a complex property of a structural type.
IReadOnlyComplexType	Represents the type of a complex property of a structural type.
IReadOnlyDbFunction	Represents a relational database function in a model.
IReadOnlyDbFunctionParameter	Represents a function parameter.
IReadOnlyElementType	Represents the elements of a collection property.
IReadOnlyEntityType	Represents an entity type in a model.
IReadOnlyEntityTypeMappingFragment	Represents entity type mapping for a particular table-like store object.
IReadOnlyForeignKey	Represents a relationship where a foreign key composed of properties on the dependent entity type references a corresponding primary or alternate key on the principal entity type.
IReadOnlyIndex	Represents an index on a set of properties.
IReadOnlyKey	Represents a primary or alternate key on an entity type.
IReadOnlyModel	Metadata about the shape of entities, the relationships between them, and how they map to the database. A model is typically created by overriding the OnModelCreating(ModelBuilder) method on a derived DbContext.
IReadOnlyNavigation	Represents a navigation property which can be used to navigate a relationship.
IReadOnlyNavigationBase	Represents a navigation property which can be used to navigate a relationship.
IReadOnlyProperty	Represents a scalar property of a structural type.
IReadOnlyPropertyBase	Base type for navigations and properties.
IReadOnlyRelationalPropertyOverrides	Represents property facet overrides for a particular table-like store object.
IReadOnlySequence	Represents a database sequence in the model.
IReadOnlyServiceProperty	Represents a property on an entity type that represents an injected service from the DbContext.
IReadOnlySkipNavigation	Represents a navigation property that is part of a relationship that is forwarded through a third entity type.
IReadOnlyStoredProcedure	Represents a stored procedure in a model.
IReadOnlyStoredProcedureParameter	Represents a stored procedure parameter.
IReadOnlyStoredProcedureResultColumn	Represents a stored procedure result column.
IReadOnlyStoreObjectDictionary<T>	Represents a lookup based on StoreObjectIdentifier keys.
IReadOnlyTrigger	Represents a store trigger.
IReadOnlyTypeBase	Represents a structural type in the model.
IRelationalAnnotationProvider	A service typically implemented by database providers that gives access to annotations used by relational EF Core components on various elements of the IRelationalModel.
IRelationalModel	Represents a relational database.
IRelationalPropertyOverrides	Represents property facet overrides for a particular table-like store object.
ISequence	Represents a database sequence in the model.
IServiceProperty	Represents a property on an entity type that represents an injected service from the DbContext.
ISkipNavigation	Represents a navigation property that is part of a relationship that is forwarded through a third entity type.
ISqlQuery	Represents a SQL query string.
ISqlQueryColumn	Represents a column in a SQL query.
ISqlQueryColumnMapping	Represents property mapping to a SQL query column.
ISqlQueryMapping	Represents entity type mapping to a SQL query.
IStoredProcedure	Represents a stored procedure in a model.
IStoredProcedureMapping	Represents entity type mapping to a stored procedure.
IStoredProcedureParameter	Represents a stored procedure parameter.
IStoredProcedureParameterMapping	Represents property mapping to a stored procedure parameter.
IStoredProcedureResultColumn	Represents a stored procedure result column.
IStoredProcedureResultColumnMapping	Represents property mapping to a stored procedure result column.
IStoreFunction	Represents a function in the database.
IStoreFunctionParameter	Represents a IStoreFunction parameter.
IStoreStoredProcedure	Represents a stored procedure in a database.
IStoreStoredProcedureParameter	Represents a parameter in a stored procedure.
IStoreStoredProcedureResultColumn	Represents a result column in a stored procedure.
IStoreStoredProcedureReturnValue	Represents the return value of a stored procedure.
ITable	Represents a table in the database.
ITableBase	Represents a table-like object in the database.
ITableIndex	Represents a table index.
ITableMapping	Represents entity type mapping to a table.
ITableMappingBase	Represents type base mapping to a table-like object.
ITrigger	Represents a store trigger.
ITypeBase	Represents a type in the model.
ITypeMappingConfiguration	Represents the configuration for a scalar type.
IUniqueConstraint	Represents a unique constraint.
IView	Represents a view in the database.
IViewColumn	Represents a column in a view.
IViewColumnMapping	Represents property mapping to a column.
IViewMapping	Represents entity type mapping to a view.

Enums

ConfigurationSource	Indicates whether an element in the IMutableModel was specified explicitly using the fluent API in OnModelCreating(ModelBuilder), through use of a .NET attribute (data annotation), or by convention via the EF Core model building conventions. This type is typically used by database providers (and other extensions). It is generally not used in application code.
IdDiscriminatorMode	Defines the behavior for including discriminator values in the JSON "id" value.
PropertySaveBehavior	Indicates how changes to the value of a property will be handled by Entity Framework change tracking which in turn will determine whether the value set is sent to the database or not. Used with GetBeforeSaveBehavior() and GetAfterSaveBehavior()
SqlServerValueGenerationStrategy	Defines two strategies to use across the EF Core stack when generating key values from SQL Server database columns.
StoreObjectType	The table-like store object type.
ValueGenerated	Indicates when a value for a property will be generated by the database.