# File lib/data_mapper/constraints/adapters/do_adapter.rb, line 85 def destroy_relationship_constraint(relationship) return false unless valid_relationship_for_constraint?(relationship) storage_name = relationship.source_model.storage_name(name) constraint_name = constraint_name(storage_name, relationship.name) return false unless constraint_exists?(storage_name, constraint_name) destroy_constraints_statement = destroy_constraints_statement(storage_name, constraint_name) execute(destroy_constraints_statement) end