Need Clarification on below scenarios. I want to understand plugin execution. Please help.
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If you look at post operation in below link you would see that plugins written at this stage execute within the DB transaction. So I guess, account will be rolled back too.
Scenario 1 will not rollback. Is like an async workflow. Each operation is executed separately.
Scenario 2 will rollback. Those are group under the same DB transaction.
Post-Event
Post-operation
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Stage in the pipeline for plug-ins which are to execute after the main operation. Plug-ins registered in this stage are executed within the database transaction.
Hi Monika,
Sorry, I was mistaken. Actually, the post-operation stage executes after changes have been committed to the database. So the account record will be present in DB in Scenario 2.
If it was registered in the pre-operation stage, the account record will not be present in DB in Scenario 2.
See: http://crmbook.powerobjects.com/extending-crm/plug-in-development-and-workflow-extensions/plug-ins/event-pipeline/
Hi Nithya,
Thanks for your reply.
I am bit confused now for second point that plugin is synchronous and post stage plugin means account already created in DB now plugin triggered and creating Contact record. so still it will rollback of account record too? i am clear with Pre - operation and synchronous plugin that account record will not be created. Please clarify.
Also, could you please elaborate Plugin Transaction in depth.
Thanks you in Advance!
Hi Monika Jain,
Scenario1: Since it is an asynchronous plugin, it allows triggering event to finish before the plug-in code runs. So the account will be created and contact will not get created if an error occurs while contact creation. The account record will be present in DB.
Asynchronous plug-ins are executed by asynchronous service. Asynchronous plug-ins allow triggering event to finish before the plug-in code runs. Therefore these can never be used to prevent an action, validate data entry, or provide any error messages back to the user.
Scenario2: Since it is synchronous plugin, triggering event will wait until the plug-in finishes the execution. So the error in plugin code while contact record creation will not create the account record too. The account record will not be present in DB.
Synchronous plug-ins are executed by the CRM Core System. Synchronous execution means that triggering event will wait until the plug-in finishes the execution. For example, if we have the synchronous plug-in that triggers on the creation of account and user creates account record in CRM, the form will hang at saving until the plugin has finished.
Agreed! for the point 1.
but for point 2 - plugin is triggered only once Account record gets created. now plugin transaction gets started. if then some exception occurs during creation of Contact then contact record should not create but account record will be present in database na?
Please suggest!
Here's what I think
1. Account will not rollback only the actions done by the plugin will rollback. Async plugins have a separate transaction.
2. Account will also rollback.
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