I'm working with Laravel8. I have two tables contact_lists
and contacts
I contact_lists
have many contacts
.
Here is my migration code for generation of foreignKey contstraints on contact_lists
public function up()
{
Schema::create('contacts', function (Blueprint $table) {
$table->id();
$table->unsignedBigInteger('user_id');
$table->foreignId('contact_list_id')->nullable()->constrained()->onDelete('cascade');
$table->string('first_name');
$table->string('last_name');
$table->string('phone');
$table->longText('organization')->nullable();
$table->longText('note')->nullable();
$table->timestamps();
});
}
But I don't know why foreign key is not generating.
Laravel use MyISAM
as default mysql storage engine.
So make sure in config/database/
'engine' => 'InnoDB'
Default:
'mysql' => [
'driver' => 'mysql',
'url' => env('DATABASE_URL'),
'host' => env('DB_HOST', '127.0.0.1'),
'port' => env('DB_PORT', '3306'),
'database' => env('DB_DATABASE', 'forge'),
'username' => env('DB_USERNAME', 'forge'),
'password' => env('DB_PASSWORD', ''),
'unix_socket' => env('DB_SOCKET', ''),
'charset' => 'utf8mb4',
'collation' => 'utf8mb4_unicode_ci',
'prefix' => '',
'prefix_indexes' => true,
'strict' => true,
'engine' => null,
'options' => extension_loaded('pdo_mysql') ? array_filter([
PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),
]) : [],
],
Updated:
'mysql' => [
'driver' => 'mysql',
'url' => env('DATABASE_URL'),
'host' => env('DB_HOST', '127.0.0.1'),
'port' => env('DB_PORT', '3306'),
'database' => env('DB_DATABASE', 'forge'),
'username' => env('DB_USERNAME', 'forge'),
'password' => env('DB_PASSWORD', ''),
'unix_socket' => env('DB_SOCKET', ''),
'charset' => 'utf8mb4',
'collation' => 'utf8mb4_unicode_ci',
'prefix' => '',
'prefix_indexes' => true,
'strict' => true,
'engine' => 'InnoDB',
'options' => extension_loaded('pdo_mysql') ? array_filter([
PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),
]) : [],
],