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 EnumSubSystems method returns a QueryResults object that enumerates installed Microsoft SQL Server Agent execution subsystems.
语法
object
.EnumSubSystems( )
as
QueryResults
Parts
- object
Expression that evaluates to an object in the Applies To list.
Prototype (C/C++)
HRESULT EnumSubSystems(
LPSQLDMOQUERYRESULTS* ppResults);
Returns
A QueryResults object that contains one result set defined by these columns.
| Column | Data type | Description |
|---|---|---|
agent_exe |
nvarchar(81) |
When applicable, executable file launched by agent. Reserved. |
description |
nvarchar(81) |
Descriptive text. |
event_entry_point |
nvarchar(31) |
Name of an exported function. Reserved. |
max_worker_/threads |
integer |
Reserved. |
start_entry_point |
nvarchar(31) |
Name of an exported function. Reserved. |
stop_entry_point |
nvarchar(31) |
Name of an exported function. Reserved. |
subsystem |
nvarchar(41) |
Name of the subsystem. The subsystem is specified by name when creating a job step. |
subsystem_dll |
nvarchar(81) |
Dynamic link library implementing execution subsystem. |