May 11, 2012

sp_MSenum_logreader (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_MSenum_logreader(nvarchar @name
, bit @show_distdb)

MetaData:

 create procedure sys.sp_MSenum_logreader  
(
@name nvarchar(100) = '%',
@show_distdb bit = 0
)
as
begin
set nocount on

declare @publisher sysname
declare @publisher_db sysname
declare @logreader_agent nvarchar(100)
declare @status int
declare @start_time nvarchar(24)
declare @time nvarchar(24)
declare @duration int
declare @comments nvarchar(255)
declare @delivery_time int
declare @delivered_transactions int
declare @delivered_commands int
declare @average_commands int
declare @delivery_rate int
declare @delivery_latency int
declare @error_id int
declare @job_id binary(16)
declare @local_job bit
declare @profile_id int
declare @agent_id int
declare @last_timestamp binary(8)

--
-- security check
-- only replmonitor can execute this
--
if not (is_member(N'db_owner') = 1 or isnull(is_member(N'replmonitor'),0) = 1)
begin
raiserror(14260, 16, -1)
return (1)
end

create table #logreader_agent (name nvarchar(100) NOT NULL, status int NOT NULL,
publisher sysname NOT NULL, publisher_db sysname NOT NULL,
start_time nvarchar(24) NULL, time nvarchar(24) NULL, duration int NULL,
comments nvarchar(255) NULL, delivery_time int NULL,
delivered_transactions int NULL, delivered_commands int NULL,
average_commands int NULL, delivery_rate int NULL,
delivery_latency int NULL, error_id int NULL, job_id binary(16) NULL,
local_job bit NULL, profile_id int NOT NULL, agent_id int NOT NULL, last_timestamp binary(8) NOT NULL)

declare hC CURSOR LOCAL FAST_FORWARD FOR
select server.srvname, agent.publisher_db, name,
local_job, job_id, agent.profile_id, agent.id
from
MSlogreader_agents agent, master.dbo.sysservers server
where
name LIKE @name and
server.srvid = agent.publisher_id

for read only

OPEN hC
FETCH hC INTO @publisher, @publisher_db, @logreader_agent,
@local_job, @job_id, @profile_id, @agent_id
WHILE (@@fetch_status <> -1)
begin

-- Stuff in the values for no history case --
select @status = 0,
@start_time = NULL,
@time = NULL, @duration = NULL, @comments = NULL,
@delivery_time = NULL, @delivered_transactions = NULL,
@delivered_commands = NULL, @average_commands = NULL,
@delivery_rate = NULL, @delivery_latency = NULL,
@error_id = NULL,
@last_timestamp = 0x00000000

-- Get the status of the agent
select @status = lh.runstatus,
@start_time = sys.fn_replformatdatetime(start_time),
@time = sys.fn_replformatdatetime(time),
@duration = duration,
@comments = comments,
@delivery_time = delivery_time, @delivered_transactions = delivered_transactions,
@delivered_commands = delivered_commands, @average_commands = average_commands,
@delivery_rate = delivery_rate, @delivery_latency = delivery_latency,
@error_id = error_id, @last_timestamp = timestamp
from MSlogreader_history lh with (READPAST)
where
lh.agent_id = @agent_id and
lh.timestamp = (select max(timestamp) from MSlogreader_history with (READPAST)
where
agent_id = lh.agent_id
and comments not like N'<stats state%'
)

insert into #logreader_agent values (@logreader_agent, @status, @publisher,
@publisher_db, @start_time, @time, @duration, @comments,
@delivery_time, @delivered_transactions, @delivered_commands, @average_commands,
@delivery_rate, @delivery_latency, @error_id, @job_id, @local_job,
@profile_id, @agent_id, @last_timestamp)

FETCH hC INTO @publisher, @publisher_db, @logreader_agent,
@local_job, @job_id, @profile_id, @agent_id
end

if @show_distdb = 0
select * from #logreader_agent
else
select 'dbname' = DB_NAME(), * from #logreader_agent

drop table #logreader_agent
close hC
deallocate hC
end

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