laravel 8 migration foreign key code example
Example 1: laravel foreign key
Schema::table('posts', function (Blueprint $table) {
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});
OR
Schema::table('posts', function (Blueprint $table) {
$table->foreignId('user_id')->constrained();
});
Example 2: laravel migration rollback
To rollback one step:
php artisan migrate:rollback
To rollback multiple steps:
php artisan migrate:rollback --step=[x]
To drop all tables and reload all migrations:
php artisan migrate:fresh
Example 3: laravel migration foreign key 5.6
Schema::table('posts', function (Blueprint $table) {
$table->unsignedInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});
Example 4: create foreign key laravel migration
Schema::table('posts', function (Blueprint $table) {
$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users');
});
Example 5: migrate to an existing table in laravel commad
php artisan make:migration add_paid_to_users_table --table=users
Example 6: create migration laravel
php artisan make:Model Product -m -c --resource