Doctrine, tell which tables to work with

When working with Doctrine2 DBAL, sometimes we work with a shared database model in which there are some support tables that we do not want in our Doctrine ORM model.

Imagine that you have an schema with following tables:

• recipes
• ingredients
• posts
• queue

For excluding, or including, some database tables for mappings we could use 'setFilterSchemaAssetsExpression' method.

/** @var \Doctrine\DBAL\Connection $connection */
$config = $connection->getConfiguration();

// for excluding an specific table
$config->setFilterSchemaAssetsExpression('/^(?!table_name_to_exclude).*$/');

When we try to generate Entities from database, with:

$config->setFilterSchemaAssetsExpression('/^(recipes|ingredients).*$/');

Doctrine ORM will only generate 'Recipes' and 'Ingredients' class entities and will exclude 'posts' and 'queue' tables.