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

2 votes194 views1 answer
Josn header php
PHP
0 vote227 views1 answer
Gd2 image resizing library in codeigniter
PHP CodeIgniter
0 vote191 views1 answer
Php mysql if exists
PHP
0 vote207 views1 answer
[email protected]
PHP
2 votes200 views2 answers
Prevent form submit on page refresh php\
PHP
4 votes212 views2 answers
Sum of the array elements in php
PHP
0 vote237 views1 answer
Laravel collective form include image
PHP Laravel
7 votes243 views4 answers
Insertgetid laravel 8
PHP Laravel
44 votes190 views4 answers
Deleting an element from an array in PHP
PHP
2 votes189 views1 answer
How to use join query in codeigniter
PHP