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    <p>You can dynamically adjust the table names ( and mappings ) by hooking into the <a href="http://docs.doctrine-project.org/en/latest/reference/events.html#load-classmetadata-event">doctrine event-system</a> with listeners/subscribers.</p> <p>i.e. "loadClassMetadata" is one of <a href="http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/events.html#lifecycle-events">doctrine's events</a> you can create a listener/subscriber for as described in the cookbook article <a href="http://symfony.com/doc/current/cookbook/doctrine/event_listeners_subscribers.html">How to Register Event Listeners and Subscribers</a>.</p> <h2>Example</h2> <p><kbd>config.yml</kbd></p> <pre><code>services: mapping.listener: class: Acme\YourBundle\EventListener\MappingListener tags: - { name: doctrine.event_listener, event: loadClassMetadata } </code></pre> <p><kbd>MappingListener</kbd></p> <pre><code>use Doctrine\ORM\Event\LoadClassMetadataEventArgs; class MappingListener { public function loadClassMetadata(LoadClassMetadataEventArgs $eventArgs) { $classMetadata = $eventArgs-&gt;getClassMetadata(); $table = $classMetadata-&gt;table; $oldName = $table['name']; // ... or $classMetaData-&gt;getTableName() // your logic here ... $table['name'] = 'new_table_name'; $classMetadata-&gt;setPrimaryTable($table); // ... or add a field-mapping like this $fieldMapping = array( 'fieldName' =&gt; 'about', 'type' =&gt; 'string', 'length' =&gt; 255 ); $classMetadata-&gt;mapField($fieldMapping); </code></pre> <p><a href="https://github.com/doctrine/doctrine2/blob/master/lib/Doctrine/ORM/Mapping/ClassMetadata.php">ClassMetadata</a> extends <a href="https://github.com/doctrine/doctrine2/blob/master/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php">ClassMetadataInfo</a> and provides a public variable "<a href="https://github.com/doctrine/doctrine2/blob/master/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php#L431">table</a>" ( containing the mapping information provided by your annotations or yml ) which you can modify !</p> <p>The public table variable is an array with the following entries:</p> <ul> <li>name => </li> <li>schema => </li> <li>indexes => array</li> <li>uniqueConstraints => array</li> </ul> <p>You can dynamically register event-listeners/subscribers in your controller prior to saving/updating.</p> <pre><code>$mappingListener = new MappingListener(); // ... maybe even modify the listener using reflection $evm = $this-&gt;get('doctrine')-&gt;getManager()-&gt;-&gt;getEventManager(); $evm-&gt;addEventListener('loadClassMetadata', $mappingListener); </code></pre> <hr> <p>Furthermore you can introduce multiple database connections/names and access them in your application. </p> <p><strong>app/config/config.yml</strong></p> <pre><code>doctrine: dbal: default_connection: default connections: default: driver: "%database_driver%" host: "%database_host%" port: "%database_port%" dbname: "%database_name%" user: "%database_user%" password: "%database_password%" charset: UTF8 customer: driver: "%database_driver2%" host: "%database_host2%" port: "%database_port2%" dbname: "%database_name2%" user: "%database_user2%" password: "%database_password2%" charset: UTF8 </code></pre> <p>Then get different entity managers using ...</p> <pre><code> $em = $this-&gt;get('doctrine')-&gt;getManager('default'); $em2 = $this-&gt;get('doctrine')-&gt;getManager('customer'); </code></pre> <p>or repositories</p> <pre><code>$customers = $this-&gt;get('doctrine') -&gt;getRepository('AcmeCustomerBundle:Customer', 'customer') -&gt;findAll() ; </code></pre> <p>... or <a href="http://docs.doctrine-project.org/projects/doctrine1/en/latest/en/manual/connections.html">add connections</a> dynamically</p> <pre><code>$this-&gt;get('doctrine') -&gt;connection('mysql://username:password@localhost/test', 'dynamic_connection'); </code></pre> <p>Read more about the topic in the cookbook chapter <a href="http://symfony.com/doc/current/cookbook/doctrine/multiple_entity_managers.html">How to work with Multiple Entity Managers and Connections</a>.</p>
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    1. POProgrammatically modify table's schema name in Doctrine2?
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    1. COThank you, but this doesn't solve my particular problem as I will also need to do cross-database joins, and therefore have to provide the fully qualified table name (schema.table) in the Doctrine ORM mapping. I could likely do this with a parameter in a YAML mapping configuration, but I'm using annotations and do not wish to convert. I need to be able to map an entity to `__schema_placeholder__.tableName` and then dynamically change the mapping by replacing this schema placeholder with the actual name.
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    2. COi have exended my answer with new information which should help you resolve the issue. Please show some credit by at least upvoting ... maybe accepting or commenting if you need further information.
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    3. COanother update ... anything unclear?
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