bot-28/database/migrations/2026_01_30_095109_update_backflow.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
use Illuminate\Support\Facades\DB;
return new class extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('backflow', function (Blueprint $table) {
            DB::statement('ALTER TABLE bot_backflow MODIFY COLUMN backflow_ratio DECIMAL(10, 4) NULL COMMENT "回水比例"');
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        //
    }
};