Type Property (UserDefinedFunction)
后续版本的 Microsoft SQL Server 将删除该功能。 请避免在新的开发工作中使用该功能，并着手修改当前还在使用该功能的应用程序。
The Type property returns the user-defined function type.
语法
object.Type
Parts
- object
An expression that evaluates to an object in the Applies To list
Data Type
Long
Modifiable
Read-only
Prototype (C/C++)
HRESULT GetType(SQLDMO_UDF_TYPE *pRetVal);
Returns
A SQLDMO_UDF_TYPE constant that contains one of these values.
Constant |
Value |
Description |
|---|---|---|
SQLDMOUDF_Inline |
3 |
Inline function |
SQLDMOUDF_Scalar |
1 |
Scalar function |
SQLDMOUDF_Table |
2 |
Table function |
SQLDMOUDF_Unknown |
0 |
Unknown function type |
注释
A scalar function is applied to all the rows in a table, thereby producing a single value (for example, an aggregate function). An inline function performs a single SELECT statement. A table function performs a series of Transact-SQL statements and returns the results as a table.
.gif "注意") 注意 |
|---|
If an application calls Type on an instance of SQL Server version 7.0, the constant, SQLDMO_E_SQL80ONLY, and the message "This property or method requires Microsoft SQL Server 2000 or later" are returned. |