Supporting Other Databases

To support a database which is not currently shipped with Doctrine you have to implement the following interfaces and abstract classes:

• \Doctrine\DBAL\Driver\Connection
• \Doctrine\DBAL\Driver\Statement
• \Doctrine\DBAL\Driver
• \Doctrine\DBAL\Platforms\AbstractPlatform
• \Doctrine\DBAL\Schema\AbstractSchemaManager

For an already supported platform but unsupported driver you only need to implement the first three interfaces, since the SQL Generation and Schema Management is already supported by the respective platform and schema instances. You can also make use of several Abstract unit tests in the \Doctrine\DBAL\Tests package to check if your platform behaves like all the others which is necessary for SchemaTool support, namely:

• \Doctrine\DBAL\Tests\Platforms\AbstractPlatformTestCase
• \Doctrine\DBAL\Tests\Functional\Schema\AbstractSchemaManagerTestCase

We would be very happy if any support for new databases would be contributed back to Doctrine to make it an even better product.

Implementation Steps in Detail

1. Add your driver shortcut to the Doctrine\DBAL\DriverManager class.
2. Make a copy of tests/dbproperties.xml.dev and adjust the values to your driver shortcut and testdatabase.
3. Create three new classes implementing \Doctrine\DBAL\Driver\Connection, \Doctrine\DBAL\Driver\Statement and Doctrine\DBAL\Driver. You can take a look at the Doctrine\DBAL\Driver\OCI8 driver.
4. You can run the test suite of your new database driver by calling phpunit. You can set your own settings in the phpunit.xml file.
5. Start implementing AbstractPlatform and AbstractSchemaManager. Other implementations should serve as good examples.