addSql('ALTER TABLE app.attribute_values DROP CONSTRAINT fk_6f6a862d7492f274'); $this->addSql('ALTER TABLE app.attribute_values ADD CONSTRAINT fk_6f6a862d7492f274 FOREIGN KEY (attribute_definition_id) REFERENCES app.attribute_definitions (id) ON DELETE CASCADE'); } public function down(Schema $schema): void { $this->addSql('ALTER TABLE app.attribute_values DROP CONSTRAINT fk_6f6a862d7492f274'); $this->addSql('ALTER TABLE app.attribute_values ADD CONSTRAINT fk_6f6a862d7492f274 FOREIGN KEY (attribute_definition_id) REFERENCES app.attribute_definitions (id)'); } }