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Handling the 'Unknown Database Type ENUM' Issue in Laravel: A Simple Solution

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When working with Laravel and MySQL databases, you may encounter an error message like this:

1Unknown database type enum requested, Doctrine\DBAL\Platforms\MySQL57Platform may not support it.

This error typically occurs when you're trying to work with an ENUM column type in your database. Laravel uses the Doctrine database library under the hood, and Doctrine does not natively support the ENUM type in MySQL.

However, there's a simple and effective solution to this problem that involves mapping the ENUM type to a string type in Doctrine. This way, you can work with ENUM columns seamlessly in your Laravel application.

The Solution

To resolve the "Unknown database type enum requested" issue in Laravel, follow these steps:

Step 1: Open AppServiceProvider

In your Laravel project, open the AppServiceProvider.php file located in the app/Providers directory.

Step 2: Add Code to the boot Method

Inside the boot method of AppServiceProvider, add the following code:

1use Illuminate\Support\ServiceProvider;
2use Illuminate\Support\Facades\DB;
4class AppServiceProvider extends ServiceProvider
6 public function boot()
7 {
8 // Register the ENUM type mapping
9 DB::connection()
10 ->getDoctrineSchemaManager()
11 ->getDatabasePlatform()
12 ->registerDoctrineTypeMapping('enum', 'string');
13 }
15 // ...

Step 3: Save and Run

Save the changes to AppServiceProvider.php, and you're all set! Your Laravel application will now correctly handle ENUM column types in your MySQL database.

How It Works

In this solution, we're instructing Laravel to map the ENUM type to a string type in Doctrine. This tells Doctrine to treat ENUM columns as string columns when working with the database schema.

As a result, you can continue using ENUM columns in your database as intended, and Laravel will seamlessly handle them without triggering the "Unknown database type enum requested" error.


Handling the "Unknown database type enum requested" issue in Laravel is straightforward, thanks to this simple solution. By mapping ENUM types to strings in Doctrine, you can work with ENUM columns in your MySQL database without any hiccups, ensuring a smooth development experience for your Laravel projects.

Give this solution a try in your Laravel applications, and enjoy hassle-free database interactions, even with ENUM columns.

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About the Author

Oussama's Profile Picture
Full Stack Web Developer | Technical Writer

Oussama is an experienced full-stack web developer with a strong focus on Laravel. He's passionate about crafting web applications with Filament and the TALL Stack. With 8+ years of experience, and he's a dedicated open-source contributor.


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