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

0 vote370 views1 answer
Merge two objects php laravel
PHP Laravel
20 votes368 views6 answers
Object to array in php
PHP
0 vote320 views2 answers
Yii2 get cookie
PHP
3 votes325 views2 answers
Php session auto expire
PHP
2 votes387 views2 answers
Check if date between two dates laravel eloquent
PHP Laravel
8 votes409 views3 answers
Laravel log query for model
PHP Laravel
9 votes306 views3 answers
Laravel download
PHP
0 vote356 views1 answer
Laravel value eloquent
PHP Laravel
0 vote314 views1 answer
Return only one column data from table in codeigniter
PHP
0 vote348 views1 answer
Get previous url symfony 4 in formpage
PHP