platform/packages/orm/angel_orm_mysql/README.md

# Angel3 ORM for MySQL

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This package contains the SQL Executor required by Angel3 ORM to work with MySQL and MariaDB respectively. In order to better support the differences in MySQL and MariaDb underlying protocols, two different drives have to be used. For MariaDb 10.2.x, `mysql1` driver provides the best results, while `mysql_client` driver handles MySQL 8.x.x without issues.

* MariaDbExecutor (stable)
* MySqlExecutor (beta)

## Supported database version

* MySQL 8.x
* MariaDb 10.2.x

**Note** MySQL below version 8.0 and MariaDB below version 10.2 are not supported as Angel3 ORM requires common table expressions (CTE).

## Connecting to MySQL database 8.x.x

```dart
    import 'package:mysql_client/mysql_client.dart';

    var settings = ConnectionSettings(
        host: 'localhost',
        port: 3306,
        db: 'orm_test',
        user: 'Test',
        password: 'Test123*');
    var connection = await MySqlConnection.connect(settings);

    var logger = Logger('orm_mysql');
    var executor = MariaDbExecutor(connection, logger: logger);
```

## Connecting to MariaDB database 10.2.x

```dart
    import 'package:mysql1/mysql1.dart';

    var connection = await MySQLConnection.createConnection(
        host: "localhost",
        port: 3306,
        databaseName: "orm_test",
        userName: "test",
        password: "Test123*",
        secure: false);

    var logger = Logger('orm_mysql');
    await connection.connect(timeoutMs: 10000);
    var executor = MySqlExecutor(connection, logger: logger);
```