IUserDefinedAggregate 接口
Represents a SQL Server user-defined aggregate.
命名空间: Microsoft.SqlServer.Management.SqlParser.Metadata
程序集: Microsoft.SqlServer.Management.SqlParser(在 Microsoft.SqlServer.Management.SqlParser.dll 中)
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
IUserDefinedAggregate 类型公开以下成员。
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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