EdmFunction Class

.NET Framework (current version)

Represents information about the functions that may be invoked from the queries written by the Entity SQL query language. These may be the built-in functions exposed by the storage provider or user-defined functions in a particular database.

Namespace: System.Data.Metadata.Edm
Assembly: System.Data.Entity (in System.Data.Entity.dll)

Inheritance Hierarchy

System::Object
System.Data.Metadata.Edm::MetadataItem
System.Data.Metadata.Edm::GlobalItem
System.Data.Metadata.Edm::EdmType
System.Data.Metadata.Edm::EdmFunction

Syntax

C++

public ref class EdmFunction sealed : EdmType

Properties

	Name	Description
	Abstract	Gets a value indicating whether this type is abstract or not. (Inherited from EdmType.)
	BaseType	Gets the base type of this type.(Inherited from EdmType.)
	BuiltInTypeKind	Gets the built-in type kind for this EdmFunction.(Overrides MetadataItem::BuiltInTypeKind.)
	CommandTextAttribute	Gets a query in the language that is used by the database management system or storage model.
	Documentation	Gets or sets the documentation associated with this type.(Inherited from MetadataItem.)
	FullName	Returns the full name (namespace plus name) of this type. (Overrides EdmType::FullName.)
	IsComposableAttribute	Gets or sets whether this instance is mapped to a function or to a stored procedure.
	MetadataProperties	Gets the list of properties of the current type.(Inherited from MetadataItem.)
	Name	Gets the name of this type.(Inherited from EdmType.)
	NamespaceName	Gets the namespace of this type.(Inherited from EdmType.)
	Parameters	Gets the parameters of this EdmFunction.
	ReturnParameter	Gets the return parameter of this EdmFunction.
	ReturnParameters	Gets the return parameters of this EdmFunction.

Methods

	Name	Description
	Equals(Object^)	Determines whether the specified object is equal to the current object.(Inherited from Object.)
	GetCollectionType()	Returns an instance of the CollectionType whose element type is this type. (Inherited from EdmType.)
	GetHashCode()	Serves as the default hash function. (Inherited from Object.)
	GetType()	Gets the Type of the current instance.(Inherited from Object.)
	ToString()	Returns the full name of this type.(Inherited from EdmType.)

Extension Methods

	Name	Description
	Aggregate(DbExpression^)	Creates a new DbFunctionAggregate.(Defined by DbExpressionBuilder.)
	AggregateDistinct(DbExpression^)	Creates a new DbFunctionAggregate that is applied in a distinct fashion.(Defined by DbExpressionBuilder.)
	Invoke(array<DbExpression^>^)	Overloaded. Creates a new DbFunctionExpression representing the invocation of the specified function with the given arguments.(Defined by DbExpressionBuilder.)
	Invoke(IEnumerable<DbExpression^>^)	Overloaded. Creates a new DbFunctionExpression representing the invocation of the specified function with the given arguments.(Defined by DbExpressionBuilder.)

Version Information

.NET Framework
Available since 3.5

Thread Safety

Any public static ( Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.