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();
});laravel foreign key constraint
public function up()
{
Schema::create('replies', function (Blueprint $table) {
$table->bigIncrements('id');
$table->text('body');
$table->unsignedBigInteger('question_id');
$table->integer('user_id')->unsigned();
$table->foreign('question_id')->references('id')->on('questions')->onDelete('cascade');
$table->timestamps();
});
}laravel field types from database field type
// in laravel if error of missing pdomysql driver issue the command
// composer require doctrine/dbal
DB::connection()->getDoctrineColumn($table_name, $field_name)->getType()->getName()foreign key string laravel
Schema::table('portfolios', function (Blueprint $table) {
$table->string('filter_alias');
$table->foreign('filter_alias')->cascadeOnDelete()->references('alias')->on('filters');
});Copyright © 2021 Codeinu
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