Foreign key string laravel

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();
    });
}

Source: stackoverflow.com

Laravel adding Foreign Key Constraints

$table->foreignId('user_id')
      ->constrained("users") <- // You don't need to specify table if it matched laravel naming conventions.
      ->onUpdate('cascade')
      ->onDelete('cascade');

Source: laravel.com

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');
        });

-1

Similar codes

19 votes351 views5 answers
Php get random element from array
PHP
0 vote313 views1 answer
Unable to read key from file file://C:\Users\Mohamad Shahkhajeh\Desktop\fara.drziva.backend\storage\oauth-private.key
PHP
0 vote365 views3 answers
Laravel 7 factory tinker
PHP
4 votes338 views1 answer
Laravel relation of relation
PHP Laravel
11 votes347 views2 answers
How login one user with id in laravel
PHP
30 votes305 views6 answers
Laravel auth
PHP
0 vote315 views1 answer
Codeigniter 3 Pass anything in query string
PHP
2 votes332 views2 answers
How do i multiple variables in php
PHP
0 vote306 views1 answer
Hide category menu from custom post type
PHP
-1 vote295 views3 answers
Remove duplicate characters in a string in php
PHP