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

4 votes288 views5 answers
Php strip tags
PHP
0 vote287 views1 answer
Clear console php
PHP
5 votes347 views2 answers
Paginate relationship laravel7
PHP Laravel
0 vote283 views2 answers
How to get current location latitude and longitude in php
PHP
1 vote316 views1 answer
Php for each schleife
PHP
0 vote328 views1 answer
Download image from mysql using php
PHP
90 votes321 views4 answers
If text contains word then in php
PHP
1 vote327 views6 answers
Php match
PHP
1 vote321 views1 answer
Wordpress is_archive
PHP Wordpress
1 vote309 views1 answer
Larave Soft Deletes
PHP