IScalarValuedFunction 接口
Represents a SQL Server scalar-valued function.
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 IScalarValuedFunction _
Inherits IUserDefinedFunction, ICallableModule, IUserDefinedFunctionModuleBase, ISchemaOwnedObject, _
IDatabaseObject, IScalarFunction, IFunction, IFunctionModuleBase, IScalar, _
IMetadataObject
用法
Dim instance As IScalarValuedFunction
public interface IScalarValuedFunction : IUserDefinedFunction,
ICallableModule, IUserDefinedFunctionModuleBase, ISchemaOwnedObject, IDatabaseObject, IScalarFunction,
IFunction, IFunctionModuleBase, IScalar, IMetadataObject
public interface class IScalarValuedFunction : IUserDefinedFunction,
ICallableModule, IUserDefinedFunctionModuleBase, ISchemaOwnedObject, IDatabaseObject, IScalarFunction,
IFunction, IFunctionModuleBase, IScalar, IMetadataObject
type IScalarValuedFunction =
interface
interface IUserDefinedFunction
interface ICallableModule
interface IUserDefinedFunctionModuleBase
interface ISchemaOwnedObject
interface IDatabaseObject
interface IScalarFunction
interface IFunction
interface IFunctionModuleBase
interface IScalar
interface IMetadataObject
end
public interface IScalarValuedFunction extends IUserDefinedFunction, ICallableModule, IUserDefinedFunctionModuleBase, ISchemaOwnedObject, IDatabaseObject, IScalarFunction, IFunction, IFunctionModuleBase, IScalar, IMetadataObject
IScalarValuedFunction 类型公开以下成员。
属性
名称 | 说明 | |
---|---|---|
BodyText | Gets the Transact-SQL string that defines the module. (从 IUserDefinedFunction 继承。) | |
DataType | Gets the scalar data type. (从 IScalar 继承。) | |
ExecutionContext | Gets the IExecutionContext object that specifies the module execution context. (从 IUserDefinedFunctionModuleBase 继承。) | |
IsAggregateFunction | Gets a value that indicates whether this is an aggregate function. (从 IScalarFunction 继承。) | |
IsEncrypted | Gets a value that indicates whether the module is encrypted. (从 IUserDefinedFunctionModuleBase 继承。) | |
IsQuotedIdentifierOn | Gets a Boolean value that indicates whether the unique identifier option is on. (从 IUserDefinedFunction 继承。) | |
IsSchemaBound | Gets a value that indicates whether the user-defined function is bound to a schema. (从 IUserDefinedFunction 继承。) | |
IsSqlClr | Gets a value that indicates whether this is a CLR module. (从 IUserDefinedFunction 继承。) | |
IsSystemObject | Gets a value that indicates whether this is a system object. (从 IDatabaseObject 继承。) | |
ModuleType | Gets the module type. (从 ICallableModule 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。) | |
ReturnsNullOnNullInput | Gets a value that indicates whether to call the function if at least one of the function arguments is null. | |
ReturnType | Gets the scalar data type of the module return value. (从 ICallableModule 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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