Method result will return a promise if this decorator applied.
All database operations in the wrapped method should be executed using entity managed passed
as a first parameter into the wrapped method.
If you want to control at what position in your method parameters entity manager should be injected,
then use @TransactionEntityManager() decorator.
If you want to use repositories instead of bare entity manager,
then use @TransactionRepository() decorator.
Wraps some method into the transaction.
Method result will return a promise if this decorator applied. All database operations in the wrapped method should be executed using entity managed passed as a first parameter into the wrapped method.
If you want to control at what position in your method parameters entity manager should be injected, then use @TransactionEntityManager() decorator.
If you want to use repositories instead of bare entity manager, then use @TransactionRepository() decorator.