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Maintaining the MessagesToLOB and MessageContent Tables in BTARN

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This article provides information about maintaining MessagesToLOB and MessageContent tables in Microsoft BizTalk Accelerator for RosettaNet (BTARN).

Original product version:   BizTalk Server 2013, 2010
Original KB number:   2897398

Summary

The scripts that are documented in the Delete records in MessagesToLOB table section and Delete records in MessageContent table section below, maintain the MessagesToLOB and MessageContent tables. The MessagesToLOB table grows as messages are processed. The private process routes incoming messages to the MessagesToLOB table in the BTARNDATA SQL Server database, in route to the LOB application. The same occurs with the MessageContent table. Whenever a send or receive pipeline processes a message, the pipeline creates a message activity. The pipeline creates a message-activity record in the MessageContent table. The record contains the content of the message, including both service content and headers.

Note

  • You must test the scripts thoroughly in your test environment before running them in a production environment. You can also create SQL Agent jobs to run them on a schedule basis.
  • See the BTARN product documentation for complete documentation on how BTARN processes a message. The full description is beyond the scope of this kb article.

Delete records in MessagesToLOB table

To delete records in the MessagesToLOB table, you must modify the argument in the DATEADD function that is used in the Delete query. In the query below, the parameter -7 means that the query will delete records that are older than seven months.

USE BTARNDATA
DELETE from [BTARNARCHIVE].[dbo].[MessagesToLOB] WHERE TimeCreated < DATEADD(mm,-7,GETDATE())

Delete records in MessageContent table

To delete records in the MessageContent table, you must modify the parameter @MonthValue. In the query below, the value -2 means that the query will delete records that are older than two months.

USE BTARNARCHIVE
declare @MonthValue as int
set @MonthValue = -2
DELETE from [BTARNARCHIVE].[dbo].[MessageContent]
WHERE ContentXml IS NOT NULL
AND CONVERT(DATETIME,SUBSTRING(ContentXml,
charindex('<DateTimeStamp>20',ContentXml)+15,8),101) < DATEADD(MM,@MonthValue,GETDATE())