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What is difference between workflow and trigger?
The workflow only works after the actions are successfully done. The usage of the triggers lies when there is a need to update the particular record or insert a new field after and before the action has taken place. Also, one can delete and again add the objects depending on the business scenario.
What is trigger recursion?
Recursion is the process of executing the same task multiple times. The Recursive trigger is a trigger which calls itself repeatedly and leads to an infinite loop. There may be chances to hit the Governor Limit with Recursive Trigger.
How does trigger handle recursion?
Handle recursion – To avoid the recursion on a trigger, make sure your trigger is getting executed only one time. You may encounter the error : ‘Maximum trigger depth exceeded’, if recursion is not handled well.
What is a workflow rule used for?
A workflow rule is the order created by a Salesforce user to perform an automated action when another condition or series of conditions have taken place. These actions can happen instantly, or they can be set to operate after a certain amount of time.
What is trigger isExecuting?
Trigger. isExecuting in Salesforce determines if the context is trigger or Visualforce. If it returns true. then it is trigger, Otherwise it is VisualForce.
What are workflow rules?
A workflow rule is the main container for a set of workflow instructions. These instructions can always be summed up in an if/then statement….Required Editions
- Create a Workflow Rule.
- Workflow Limits.
- Workflow Considerations.
- Workflow Rule Examples.
- Monitor Pending Workflow Actions.
- Workflow Terminology.
When to use trigger in workflow rule field update?
When a record is updated and subsequently triggers a workflow rule field update, Trigger.old in the last update trigger won’t contain the version of the object immediately prior to the workflow update, but the object before the initial update was made Thus, your future method will be called TWICE, and, if it is doing a callout, will callout twice.
How are triggers fired in the recursion control system?
Triggers are fired during the first attempt and are fired again during subsequent attempts. Because these trigger invocations are part of the same transaction, static class variables that are accessed by the trigger aren’t reset.
How is the triggerhandler used in the workflow?
The triggerhandler asks the Transaction Service to get all unvisited Ids for some context scope. Behind the scenes, the TransactionService saves the Ids + context scope + TransactionId in the database, thus creating a persistent store for the AllOrNone = true use case and a rolback-able store for the AllOrNone = false use case.
What happens when a trigger re-requests the work?
Thus, the trigger re-requests the work, persists the request in an sobject, and even though the workflow will re-fire, the persisted sobject can be inspected on the second trigger re-fire and the dowork request skipped Now, what would you save in that sobject field?