Laravel 5.3迁移不会创建表 [英] Laravel 5.3 migration doesn't create tables

问题描述

我使用命令php artisan migrate:make创建了一些迁移，然后将其填充并保存了一些字段.这是全新安装，并且是首次运行的迁移.

I created some migrations using the command php artisan migrate:make and then filled it and saved it with some fields. This is a fresh installation and the first migration to run.

我运行了php artisan迁移，迁移成功完成.但是，虽然创建了迁移表 IS ，并且该表只有一行包含文件名和批处理1，但是没有表.

I ran php artisan migrate and the migration completed successfully. However, while the migrations table IS created, and it has a single row with the filename and batch 1, there is no table.

这是我的迁移文件代码:

Here's my migration file code:

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateFuelLocationsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        //
        Schema::create('fuel_locations', function (Blueprint $table) {
            $table->increments('id');
            $table->string('uid');
            $table->string('name');
            $table->string('fuel_type');
            $table->string('email');
            $table->string('street');
            $table->string('city');
            $table->string('state');
            $table->string('zip');
            $table->string('phone');
            $table->string('service_hours');
            $table->string('payment_methods');
            $table->string('payment_method_other');
            $table->decimal('latitude', 3, 7);
            $table->decimal('longitude', 3, 7);
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        //
        Schema::dropIfExists('fuel_locations');
    }
}

还有我的config/database.php中的几行内容:

And a few lines from my config/database.php:

    'mysql' => [
        'driver' => 'mysql',
        'database' => 'mydb',
        'host' => 'localhost',
        'username' => 'root',
        'password' => '',
        'charset'   => env('DB_CHARSET', 'utf8'),
        'collation' => env('DB_COLLATION', 'utf8_unicode_ci'),
        'prefix'    => env('DB_PREFIX', ''),
        'timezone'  => env('DB_TIMEZONE', '+00:00'),
        'strict'    => env('DB_STRICT_MODE', false),
    ],

我确实尝试将主机更改为127.0.0.1，但无法连接.我该如何修复它，以使其确实按预期方式创建表.

I did try changing the host to 127.0.0.1 but that wouldn't connect. How can I fix it so that it does create the table like it's supposed to.

推荐答案

问题在于以下几行:

$table->decimal('latitude', 3, 7);
$table->decimal('longitude', 3, 7);

您应该会遇到类似于以下内容的异常

You should be getting an exception similar to the following

[PDOException] SQLSTATE [42000]:语法错误或访问冲突:1427 对于float(M，D)，double(M，D)或小数点(M，D)，M必须> = D(列 纬度").

[PDOException] SQLSTATE[42000]: Syntax error or access violation: 1427 For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column 'latitude').

进行迁移时.

更改为以下

$table->decimal('latitude', 10, 7);
$table->decimal('longitude', 10, 7);

它应该可以工作.

数字精度是指数字中出现的最大位数

这篇关于Laravel 5.3迁移不会创建表的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！