The Grails Framework 3.1.1

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(Quick Reference) # delete ## Purpose Deletes a persistent instance. ## Examples
    def book = Book.get(1)
    book.delete()
## Description 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 Parameters: `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)
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