Laravel drop foreign key

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 remove foreign key

$table->dropForeign('posts_user_id_foreign');

Source: laravel.com

Larael drop foreign key

Schema::table('posts', function (Blueprint $table) {
	$table->dropForeign(['category_id']);
});

Disable foreign key laravel

//...
class ClearOldOauthRelations extends Migration
{
    public function up()
    {
        Schema::disableForeignKeyConstraints();
        // drop foreign keys
        Schema::table('oauth_access_tokens', function (BluePrint $table) {
            $table->dropForeign('oauth_access_tokens_session_id_foreign');
        });
        //...
        Schema::enableForeignKeyConstraints();
    }
    //...
}

Source: stackoverflow.com

Laravel drop foreign key

// Primary table name, from Schema::table(<table>)
// Primary column, from $table->foreign(<column>)
$table->dropForeign('<table>_<column>_foreign');

Source: stackoverflow.com

Table drop foreign php laravel

 public function down()
 {
   Schema::table('tarefas', function (Blueprint $table) {
     $table->dropForeign('tarefas_user_id_foreign');

     $table->dropColumn('user_id');
   });
 }

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