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sys.sp_cdc_help_change_data_capture

  No additional text.


Syntax

create procedure [sys].[sp_cdc_help_change_data_capture]  				
(														
	@source_schema sysname = null,
	@source_name sysname = null
)														
as
begin
	set nocount on
	
	declare @retcode int,
		@capture_cnt int
		
    -- Verify database is currently enabled for change data capture
    if ([sys].[fn_cdc_is_db_enabled]() != 1)
    begin
		declare @db_name sysname
		set @db_name = db_name()
		raiserror(22901, 16, -1, @db_name)
        return 1
    end
	
	create table #capture_instances
	(
		capture_instance sysname collate database_default,
		object_id int
	)
	
	set @source_schema = rtrim(@source_schema)
	set @source_name   = rtrim(@source_name)
	
	-- Get a list of potential capture instances.
	exec @retcode = sys.sp_cdc_get_capture_instances @source_schema, @source_name
	
	if @retcode <> 0
	begin
		return 1
	end			

	-- Eliminate from the list any entries that the caller is not
	-- authorized to access
	delete from #capture_instances
	where sys.fn_cdc_has_select_access(capture_instance) = 0
	
	-- If there are no elements in the #capture_instances and
	-- an explicit schema was entered, return error
	select @capture_cnt = count(*) from #capture_instances
	
	if (@capture_cnt = 0) and (@source_schema is not null)
	begin
		raiserror(22981, 16, -1)
		return 1
	end
	
	-- Return information on capture instances
	exec sys.sp_cdc_change_data_capture

	return 0
end																

 
Last revision 2008RTM
See also

  sp_MSdrop_cdc (Procedure)
       



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