# File lib/dm-constraints/adapters/dm-do-adapter.rb, line 78 def destroy_relationship_constraint(relationship) return false unless valid_relationship_for_constraint?(relationship) source_model = relationship.source_model source_table = source_model.storage_name(name) constraint_name = constraint_name(source_table, relationship.name) return false unless constraint_exists?(source_table, constraint_name) execute(destroy_constraints_statement(source_table, constraint_name)) end