id(); $table->integer('owner_id')->nullable(); $table->integer('owner_type')->nullable(); $table->string('document_type')->nullable(); $table->string('reference')->nullable(); $table->integer('status')->nullable(); $table->bigInteger('approved_by')->unsigned()->nullable(); $table->foreign('approved_by')->references('id')->on('users')->onDelete('cascade'); $table->timestamp('issued_date')->nullable(); $table->timestamp('expired_date')->nullable(); $table->timestamp('approved_date')->nullable(); $table->timestamps(); $table->softDeletes(); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::dropIfExists('documents'); } }