IUserDefinedAggregate 接口

语法

声明
Public Interface IUserDefinedAggregate _
    Inherits IScalarFunction, IFunction, IFunctionModuleBase, IScalar,  _
    ISchemaOwnedObject, IDatabaseObject, IMetadataObject
用法
Dim instance As IUserDefinedAggregate

public interface IUserDefinedAggregate : IScalarFunction, 
    IFunction, IFunctionModuleBase, IScalar, ISchemaOwnedObject, IDatabaseObject, 
    IMetadataObject

public interface class IUserDefinedAggregate : IScalarFunction, 
    IFunction, IFunctionModuleBase, IScalar, ISchemaOwnedObject, IDatabaseObject, 
    IMetadataObject

type IUserDefinedAggregate =  
    interface
        interface IScalarFunction
        interface IFunction
        interface IFunctionModuleBase
        interface IScalar
        interface ISchemaOwnedObject
        interface IDatabaseObject
        interface IMetadataObject
    end

public interface IUserDefinedAggregate extends IScalarFunction, IFunction, IFunctionModuleBase, IScalar, ISchemaOwnedObject, IDatabaseObject, IMetadataObject

属性

	名称	说明
	DataType	Gets the scalar data type. （从 IScalar 继承。）
	IsAggregateFunction	Gets a value that indicates whether this is an aggregate function. （从 IScalarFunction 继承。）
	IsSystemObject	Gets a value that indicates whether this is a system object. （从 IDatabaseObject 继承。）
	Name	Gets the name of the metadata object. （从 IMetadataObject 继承。）
	Nullable	Gets a Boolean value that indicates whether the scalar object is nullable. （从 IScalar 继承。）
	Parameters	Gets a collection that contains the parameters that the function or module accepts. （从 IFunctionModuleBase 继承。）
	Parent	Gets the IDatabaseObject object that is the parent of this object. （从 IDatabaseObject 继承。）
	ScalarType	Gets the scalar type. （从 IScalar 继承。）
	Schema	Gets the ISchema object that owns this object. （从 ISchemaOwnedObject 继承。）

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方法

	名称	说明
	Accept< (Of < <' (T> ) > > )(IDatabaseObjectVisitor< (Of < <' (T> ) > > ))	Accepts a visit from the specified IDatabaseObjectVisitor<(Of <(<'T>)>)> object. （从 IDatabaseObject 继承。）
	Accept< (Of < <' (T> ) > > )(IMetadataObjectVisitor< (Of < <' (T> ) > > ))	Accepts a visit from the specified IMetadataObjectVisitor<(Of <(<'T>)>)> object. （从 IMetadataObject 继承。）
	Accept< (Of < <' (T> ) > > )(ISchemaOwnedObjectVisitor< (Of < <' (T> ) > > ))	Accepts a visit from the specified ISchemaOwnedObjectVisitor<(Of <(<'T>)>)> object. （从 ISchemaOwnedObject 继承。）

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请参阅

参考