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Version: 1.0
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Revision: Fri, 17 May 2024 13:03:33 GMT
v1.0 – outdated
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Working with Databases

Follow configuration instructions here.

Access the Database

Once DBAL component is configured properly you can access your databases in controllers and services multiple ways:

php
protected function indexAction(DatabaseManager $dbal)
{
    //Default database
    dump($dbal->db());
    
    //Default database over shortcut
    dump($this->db);

    //Using alias default which points to primary database
    dump($dbal->db('default'));

    //Secondary
    dump($dbal->db('slave'));

    //Short binding + database name
    dump($this->dbal->db('secondary'));
}

Controllable Injections

DBAL component fully support controllable injections based on database name and their aliases:

php
protected function indexAction(Database $database, Database $primary, Database $slave)
{
    //Database is an alias for "primary"
    dump($database === $primary);

    dump($primary);
    dump($slave);
}

Create Databases in Runtime

If you wish to create database manually use addDatabase method of DatabaseManager component:

php
$this->dbal->createDatabase('new', 'prefix_', 'mysql');

You can also push database using existed instance:

php
$this->dbal->addDatabase(new Database(
    $this->dbal->driver('mysql'),
    'name',
    'prefix_'
));

Create Connections in Runtime

Same way you can create one or more connections without need to alter configuration:

php
$this->dbal->createDriver(
    'mysql-connection',
    MySQLDriver::class,
    'mysql:host=127.0.0.1;dbname=mydb',
    'username',
    'password'
);