foreign('supplier_id', 'fk_sat_as')->references('id')->on('ab_adsl_supplier')->onUpdate('NO ACTION')->onDelete('NO ACTION'); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::table('ab_service__adsl_traffic', function(Blueprint $table) { $table->dropForeign('fk_sat_as'); }); } }