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sys.sp_MShelp_merge_agentid

  No additional text.


Syntax
CREATE PROCEDURE sys.sp_MShelp_merge_agentid
(
    @publisher_id       smallint,
    @publisher_db       sysname,
    @publication        sysname,
    @subscriber_id      smallint,
    @subscriber_db      sysname,
    @subscriber_version	int = 60, -- 60=shiloh sp3 or lower, 90=yukon
    @subscriber			sysname = NULL
)
AS
begin
    declare @publisher		sysname
    declare @expired		int
    declare @agent_id 		int
    declare @name 			sysname
    declare @retention 		int
    declare @retention_period_unit	tinyint
    declare @last_status	int
    declare @last_history	datetime
    declare @min_valid_day 	datetime
    declare @reinited 		int
    declare @status 		int
    declare @success		int
    declare @publication_id	int
    declare @subscriber_datasource_type int
    declare @sql_subscriber	int
    declare @sub_version int

    select @expired = 0
    select @reinited = 4
    select @success = 2

    select @subscriber_datasource_type = 0
    select @sql_subscriber = 0

	if not EXISTS (select * from dbo.MSpublications
		where publisher_id=@publisher_id
		and publisher_db = @publisher_db
		and publication = @publication
		and publication_type = 2) -- merge publication is gone
	begin
		select 1, @publication, 1, 0 --third column = 1 means publication is gone, making the other values meanningless.
		return (1)
	end

   	select @publication_id = publication_id
		from dbo.MSpublications
		where publisher_id = @publisher_id and
			  publisher_db = @publisher_db and
			  publication = @publication

	-- Get subscriber info
	if @subscriber IS NULL
		begin
		    select @subscriber = srvname from master.dbo.sysservers where srvid = @subscriber_id
		end
	select @publisher = srvname from master.dbo.sysservers where srvid = @publisher_id

    select @subscriber_datasource_type = type
        from MSsubscriber_info
        where UPPER(publisher) = UPPER(@publisher) and UPPER(subscriber) = UPPER(@subscriber)

	if (@subscriber_datasource_type = @sql_subscriber)
	begin
		select @status = status, @sub_version = subscriber_version from dbo.MSmerge_subscriptions where
			publisher_id = @publisher_id and
			publisher_db = @publisher_db and
			publication_id = @publication_id and
			UPPER(subscriber) = UPPER(@subscriber) and
			subscriber_db = @subscriber_db

		select @agent_id = id, @name = name from dbo.MSmerge_agents
	        where publisher_id = @publisher_id
			and publisher_db = @publisher_db
			and publication = @publication
			and UPPER(subscriber_name) = UPPER(@subscriber)
			and subscriber_db = @subscriber_db
	end
	else
	begin
		select @status = status, @sub_version = subscriber_version from dbo.MSmerge_subscriptions where
			publisher_id = @publisher_id and
			publisher_db = @publisher_db and
			publication_id = @publication_id and
			UPPER(subscriber) = UPPER(@subscriber)

		select @agent_id = id, @name = name from dbo.MSmerge_agents
	        where publisher_id = @publisher_id
			and publisher_db = @publisher_db
			and publication = @publication
			and UPPER(subscriber_name) = UPPER(@subscriber)
	end

    -- Security check. Do it here to let the agent fail at the beginning
    if @agent_id is not null
    begin
        exec sys.sp_MScheck_pull_access @agent_id = @agent_id, @agent_type = 1 -- merge agent

        if @sub_version is NULL
            select @sub_version = @subscriber_version

        if @sub_version < 90
        begin
			select @retention = retention, @retention_period_unit = retention_period_unit
				from dbo.MSpublications
				where publisher_id=@publisher_id and publisher_db=@publisher_db and publication=@publication

			if @retention is not NULL and @retention > 0
			begin
				select @min_valid_day = sys.fn_add_units_to_date(@retention * (-1), @retention_period_unit, getdate())
        		-- only do history based expiration if there is a valid successful run information available.    	
				-- If we do not find the history for the last successful run we will not cleanup.
				-- however a seperate cleanup happens that uses the last_sync_time on the publisher. So
				-- even if we do not cleanup here sp_MSdrop_expired_mergesubscription will take care of it
				select Top 1 @last_status = runstatus, @last_history = end_time
        			from dbo.MSmerge_sessions where agent_id = @agent_id and runstatus=2 order by session_id DESC

				/*
				commeting out since we do not want to use the failed history information
        		if @last_status = 6 and EXISTS (select * from dbo.MSmerge_history where  agent_id = @agent_id and runstatus = 2)
        			select Top 1 @last_history = time from dbo.MSmerge_history where agent_id = @agent_id and runstatus = 2
        							order by time DESC
        		*/
        		if @last_history is not NULL
        		begin
    				if @last_history < @min_valid_day --and @status <> @reinited //We no longer consider marked-for-reinit subscriptions as exempt for expiry
    					select @expired = 1
    			end
			end
		end
	end

    select @agent_id, @name, 0, @expired where @agent_id is not NULL
end

 
Last revision 2008RTM
See also

  sp_instdist (Procedure)
       



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