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(Quick Reference)



Deletes a persistent instance.


def book = Book.get(1)


The delete method informs the persistence context that a persistent instance should be deleted. Equivalent to the Hibernate delete method.

Calling delete on a transient instance will result in an error


  • flush - If set to true the persistent context will be flushed resulting in the instance being deleted immediately. For example:

def book = Book.get(1)
book.delete(flush: true)