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sp_helptracertokens (Transact-SQL)

SQL Server 2008 R2

Returns one row for each tracer token that has been inserted into a publication to determine latency. This stored procedure is executed at the Publisher on the publication database or at the Distributor on the distribution database.

Topic link icon Transact-SQL Syntax Conventions

Syntax


sp_helptracertokens [ @publication = ] 'publication' 
    [ , [ @publisher = ] 'publisher' ] 
    [ , [ @publisher_db = ] 'publisher_db' ]

Arguments

[ @publication= ] 'publication'

Is the name of the publication in which tracer tokens were inserted. publication is sysname, with no default.

[ @publisher= ] 'publisher'

The name of the Publisher. publisher is sysname, with a default of NULL.

Note
This parameter should only be specified for non-Microsoft SQL Server Publishers.

[ @publisher_db= ] 'publisher_db'

The name of the publication database. publisher_db is sysname, with a default value of NULL. This parameter is ignored if the stored procedure is executed at the Publisher.

Result Set

Column name	Data type	Description
tracer_id	int	Identifies a tracer token record.
publisher_commit	datetime	The date and time that the token record was committed at the Publisher in the publication database.

Return Code Values

0 (success) or 1 (failure)

Remarks

sp_helptracertokens is used in transactional replication.

sp_helptracertokens is used to obtain tracer token IDs when executing sp_helptracertokenhistory (Transact-SQL).

Example

TSQL

DECLARE @publication AS sysname;
DECLARE @tokenID AS int;
SET @publication = N'AdvWorksProductTran'; 

USE [AdventureWorks2008R2]

-- Insert a new tracer token in the publication database.
EXEC sys.sp_posttracertoken 
  @publication = @publication,
  @tracer_token_id = @tokenID OUTPUT;
SELECT 'The ID of the new tracer token is ''' + 
	CONVERT(varchar,@tokenID) + '''.'
GO

-- Wait 10 seconds for the token to make it to the Subscriber.
WAITFOR DELAY '00:00:10';
GO

-- Get latency information for the last inserted token.
DECLARE @publication AS sysname;
DECLARE @tokenID AS int;
SET @publication = N'AdvWorksProductTran'; 

CREATE TABLE #tokens (tracer_id int, publisher_commit datetime)

-- Return tracer token information to a temp table.
INSERT #tokens (tracer_id, publisher_commit)
EXEC sys.sp_helptracertokens @publication = @publication;
SET @tokenID = (SELECT TOP 1 tracer_id FROM #tokens
ORDER BY publisher_commit DESC)
DROP TABLE #tokens

-- Get history for the tracer token.
EXEC sys.sp_helptracertokenhistory 
  @publication = @publication, 
  @tracer_id = @tokenID;
GO

Permissions

Only members of the sysadmin fixed server role, the db_owner fixed database role in the publication database, or db_owner fixed database or replmonitor roles in the distribution database can execute sp_helptracertokenhistory.

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