sp_MSupdatepeerlsn (Transact-SQL MetaData) Definition

Please note: that the following source code is provided and copyrighted by Microsoft and is for educational purpose only.
The meta data is from an SQL 2012 Server.

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Definition:

sys.sp_MSupdatepeerlsn(nvarchar @originator
, nvarchar @originator_db
, int @originator_publication_id
, int @originator_db_version
, varbinary @originator_lsn)

MetaData:

 create procedure sys.sp_MSupdatepeerlsn  
(  
    @originator                    sysname,  
    @originator_db                sysname,  
    @originator_publication_id        int,  
    @originator_db_version        int,  
    @originator_lsn                varbinary(10)                      
)  
as  
begin  
    declare @retcode         bit,  
            @error            int,  
            @rows_affected    int  
      
    --  security check for subscriber  
    exec @retcode = sys.sp_MSreplcheck_subscribe   
    if @@error <> 0 or  @retcode <> 0   
    begin  
        return 1  
    end  
  
    begin transaction tran_sp_MSupdatepeerlsn  
    save transaction tran_sp_MSupdatepeerlsn  
      
    --  update the peer_lsn  
    update MSpeer_lsns  
        set last_updated     = getdate(),  
            originator_lsn     = @originator_lsn  
        from MSpeer_lsns with (index(uci_MSpeer_lsns))  
        where originator                    = UPPER(@originator)  
            and originator_db                 = @originator_db  
            and originator_publication_id    = @originator_publication_id   
            and originator_db_version        = @originator_db_version  
            and originator_lsn                <= @originator_lsn  
  
    --  cache the row count and error  
    select @rows_affected     = @@rowcount,  
            @error            = @@error  
  
    --  if we hit an error let the user know and exit  
    if @error <> 0  
    begin  
        goto FAILURE  
    end  
  
    --  if row count is 0 then we know we are not a peer and the subcription is not found.  
    if @rows_affected <> 1  
    begin  
        declare @pub_id varchar(10)  
  
        select @pub_id = cast(@originator_publication_id as varchar)  
  
        --  No peers were found for %s:%s:%s.  
        raiserror(20807, 16, -1, @originator, @originator_db, @pub_id)  
        goto FAILURE  
    end  
  
    commit transaction tran_sp_MSupdatepeerlsn  
      
    return 0  
FAILURE:  
    rollback transaction tran_sp_MSupdatepeerlsn  
    commit transaction tran_sp_MSupdatepeerlsn  
  
    --  The procedure sys.sp_MSupdatepeerlsn failed to UPDATE the resource MSpeer_lsns. Server error =  0.  
    raiserror (21499, 16, -1, 'sys.sp_MSupdatepeerlsn', 'UPDATE', 'MSpeer_lsns.', @error)  
  
      
    return 1  
end