<?phpuse Illuminate\Support\Facades\Schema;use Illuminate\Database\Schema\Blueprint;use Illuminate\Database\Migrations\Migration;class CreateFlightsTable extends Migration{ /** * Run the migrations. * * @return void */ public function up() { Schema::create('flights', function (Blueprint $table...
useIlluminate\Database\Migrations\Migration; classCreateFlightsTableextendsMigration { /** * Run the migrations. * *@returnvoid */ publicfunctionup() { Schema::create('flights',function(Blueprint$table){ $table->bigIncrements('id'); $table->string('name'); ...
Migration Structure A migration class contains two methods:upanddown. Theupmethod is used to add new tables, columns, or indexes to your database, while thedownmethod should reverse the operations performed by theupmethod. Within both of these methods you may use the Laravel schema builder to...
你可以使用 make:migration Artisan 命令 来生成数据库迁移。新的迁移文件将放在你的 database/migrations 目录下。每个迁移文件名都包含一个时间戳来使 Laravel 确定迁移的顺序:php artisan make:migration create_flights_tableLaravel 将使用迁移文件的名称来猜测表名以及迁移是否会创建一个新表。如果 Laravel 能够从...
Database: Migrations - Laravel中文网 , laravel中文文档。Laravel 是一个具有表现力、优雅语法的 Web 应用程序框架. Laravel 是构建现代全栈 Web 应用程序的最佳选择.
你可以使用 make:migration Artisan command 生成数据库迁移。新的迁移将放在你的 database/migrations 目录每个迁移文件名都包含一个时间戳,允许 Laravel 确定迁移的顺序:php artisan make:migration create_flights_table Laravel 会根据迁移文件的名称确定表的名称已经是否在前一种创建新的数据表。
The new migration will be placed in yourdatabase/migrationsdirectory. Each migration file name contains a timestamp which allows Laravel to determine the order of the migrations. 新的迁移文件放在database/migrations目录下, 文件名包含时间戳记,在执行迁移时用来决定顺序。
Migration table created successfully. [Illuminate\Database\QueryException] SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 1000 bytes (SQL: alter table users add unique users_email_unique(email)) ...
or a Doctrine Type.Use AbstractPlatform#registerDoctrineTypeMapping()or have your custom types implement Type#getMappedDatabaseTypes().If the type nameisempty you might have a problemwiththe cache or forgot some mapping information. 上面问题出现的原因,是migration 提供的数据类型和doctrine/dbal提供的...
a completemigration; amodelwithfillableand relationships already written; aseederandfactorywith the columns defined; aCrudControllerwith the fields & columns already defined; aCrudRequestwith the validation rules already inferred from the database restrictions; ...