How to run SQL code in the same transaction as... mibuso.com Microsoft Business

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How to run SQL code in the same transaction as... mibuso.com Microsoft Business
mibuso.com • View topic - How to run SQL code in the same transaction as the Nav
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Board index » Microsoft Dynamics NAV (formerly Microsoft Business Solutions-Navision) » NAV Tips & Tricks
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How to run SQL code in the same transaction as the Nav
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rmv_RU
Post subject: How to run SQL code in the same transaction as the Nav
Posted: Thu Nov 21, 2013 8:41 am
Joined: Fri Jun 04, 2010
1:38 pm
Posts: 77
Location: Moscow
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Sometimes we have to use SQL in Nav for different actions including data modification.
For example, we have to call a stored procedure to update a web-order status after
release a sales order. Unfortunately, there are no way to run the stored procedure in a
same transaction as a sales order released by using ADO. Different transactions may
cause data integrity problems.
The solution is - Write a SQL statetment into special table from NAV and use a sql
trigger on the table to run the statement
1. Create a view in SQL and then link the view in Nav
Code: Select all
create view
[dbo].[sys_ConnectionProperties]
as
select cast(serverproperty('servername') as varchar(100)) as
server_name, DB_NAME() as db_name, @@SPID as spid
, system_USER as [system_user]
2. Create a table sql_statement in Nav
Code: Select all
spid int
sql text(250)
3. Write a SQL trigger
Code: Select all
alter trigger run_sql on sql_statement for insert, update
as begin
if
not app_name() IN ('Microsoft Business SolutionsNavision client', 'Microsoft Dynamics NAV client', 'Microsoft
Business Solutions-Navision', 'Microsoft Dynamics
NAV','C/ODBC','C/FRONT','Navision Application Server',
'Microsoft Dynamics NAV Application Server','Navision VIP
Application Server')
http://www.mibuso.com/forum/viewtopic.php?f=5&t=59746&hilit=ADO
02/12/2013
mibuso.com • View topic - How to run SQL code in the same transaction as the Nav
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4. Write a test codeunit
Code: Select all
SysProperties.FIND('-');
SQL.spid:=SysProperties.spid;
//make sure that sql update works
SQL.sql:='update [your_company_name$item] set
description=''changes made by sql'' where
No_=''your_item_no''';
IF NOT SQL.INSERT THEN
SQL.MODIFY;
commit;
//make sure that sql update rollback when Nav error occurs
SQL.sql:='update [your_company_name$item] set
description=''changes made by sql'' where


The main disadvantage of this solution - dynamic sql may cause security problems.
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