I will give you very simple example of how to create table with foreign key constraint using laravel migration. you can easily use this example with laravel 6, laravel 7, laravel 8, laravel 9, laravel 10 and laravel 11 version. in this example, we will create "posts" and "comments" tab...
Renaming Tables With Foreign KeysBefore renaming a table, you should verify that any foreign key constraints on the table have an explicit name in your migration files instead of letting Laravel assign a convention based name. Otherwise, the foreign key constraint name will refer to the old ...
Renaming Tables With Foreign KeysBefore renaming a table, you should verify that any foreign key constraints on the table have an explicit name in your migration files instead of letting Laravel assign a convention based name. Otherwise, the foreign key constraint name will refer to the old ...
A migration class contains two methods:upanddown. Theupmethod is used to add new tables, columns, or indexes to your database, while thedownmethod should simply reverse the operations performed by theupmethod. Within both of these methods you may use the Laravel schema builder to expressively...
publicfunctionhasOne($related,$foreignKey=null,$localKey=null) 其中,第一个参数是关联模型的类名,第二个参数是关联模型类所属表的外键,这里对应的是user_profiles表的user_id字段,第三个参数是关联表的外键关联到当前模型所属表的哪个字段,这里对应的是users表的id字段。为什么我们不需要指定 Laravel 就能完成这...
For example, imagine you have a migration that creates avotescolumn with theunsigned,default, andcommentattributes: Schema::create('users', function (Blueprint $table) { $table->integer('votes')->unsigned()->default(1)->comment('The vote count');}); ...
Laravel FK Migration ThisLaravelpackage provides a base migration for you to extend to easily create all your foreign keys. If you ever ran into the problem where you had to reorganize all your migrations due to failing foreign key constraints, this is the package for you!
Provides database queries profiling for Laravel http and console applications. database db mysql profiler profiling 58 0.9 W 4 stidges/laravel-fk-migration Helpful base migration for creating all your foreign key without worrying about the order of your migrations. migrations db laravel 38...
class CreateMerchantsTable extends Migration{ /** * Run the migrations. * * @return void */ public function up() { Schema::create('merchants', function (Blueprint $table) { $table->increments('id'); $table->string('username')->unique(); $table->string('email')->unique(); $table...
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