[DDC-1998] Pass types to Connection#delete() to allow custom conversions to happen.

lib/Doctrine/ORM/Persisters/BasicEntityPersister.php

@@ -560,13 +560,35 @@ class BasicEntityPersister
      */
     public function delete($entity)
     {
+        $class      = $this->class;
+        $em         = $this->em;
+
         $identifier = $this->em->getUnitOfWork()->getEntityIdentifier($entity);
-        $tableName  = $this->quoteStrategy->getTableName($this->class, $this->platform);
-        $idColumns  = $this->quoteStrategy->getIdentifierColumnNames($this->class, $this->platform);
+        $tableName  = $this->quoteStrategy->getTableName($class, $this->platform);
+        $idColumns  = $this->quoteStrategy->getIdentifierColumnNames($class, $this->platform);
         $id         = array_combine($idColumns, $identifier);
 
+        $types = array_map(function ($identifier) use ($class, $em) {
+            if (isset($class->fieldMappings[$identifier])) {
+                return $class->fieldMappings[$identifier]['type'];
+            }
+
+            $targetMapping = $em->getClassMetadata($class->associationMappings[$identifier]['targetEntity']);
+
+            if (isset($targetMapping->fieldMappings[$targetMapping->identifier[0]])) {
+                return $targetMapping->fieldMappings[$targetMapping->identifier[0]]['type'];
+            }
+
+            if (isset($targetMapping->associationMappings[$targetMapping->identifier[0]])) {
+                $types[] = $targetMapping->associationMappings[$targetMapping->identifier[0]]['type'];
+            }
+
+            throw ORMException::unrecognizedField($targetMapping->identifier[0]);
+
+        }, $class->identifier);
+
         $this->deleteJoinTableRecords($identifier);
-        $this->conn->delete($tableName, $id);
+        $this->conn->delete($tableName, $id, $types);
     }
 
     /**

tests/Doctrine/Tests/ORM/Functional/Ticket/DDC1998Test.php

@@ -0,0 +1,102 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+use Doctrine\DBAL\Types\StringType;
+use Doctrine\DBAL\Types\Type;
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+
+/**
+ * @group DDC-1998
+ */
+class DDC1998Test extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+    public function testSqlConversionAsIdentifier()
+    {
+        Type::addType('ddc1998', __NAMESPACE__ . '\\DDC1998Type');
+
+        $this->_schemaTool->createSchema(array(
+            $this->_em->getClassMetadata(__NAMESPACE__ . '\\DDC1998Entity'),
+        ));
+
+        $entity = new DDC1998Entity();
+        $entity->id = new DDC1998Id("foo");
+
+        $this->_em->persist($entity);
+        $this->_em->flush();
+
+        $entity->num++;
+
+        $this->_em->flush();
+
+        $this->_em->remove($entity);
+        $this->_em->flush();
+        $this->_em->clear();
+
+
+        $found = $this->_em->find(__NAMESPACE__ . '\\DDC1998Entity', $entity->id);
+        $this->assertNull($found);
+
+        $found = $this->_em->find(__NAMESPACE__ . '\\DDC1998Entity', "foo");
+        $this->assertNull($found);
+
+        $this->assertEquals(0, count($this->_em->getRepository(__NAMESPACE__ . '\\DDC1998Entity')->findAll()));
+    }
+}
+
+/**
+ * @Entity
+ */
+class DDC1998Entity
+{
+    /**
+     * @Id @Column(type="ddc1998")
+     */
+    public $id;
+
+    /**
+     * @Column(type="integer")
+     */
+    public $num = 0;
+}
+
+class DDC1998Type extends StringType
+{
+    const NAME = 'ddc1998';
+
+    /**
+     * {@inheritdoc}
+     */
+    public function convertToDatabaseValue($value, AbstractPlatform $platform)
+    {
+        return (string)$value;
+    }
+
+    public function convertToPhpValue($value, AbstractPlatform $platform)
+    {
+        return new DDC1998Id($value);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return self::NAME;
+    }
+}
+
+class DDC1998Id
+{
+    private $val;
+
+    public function __construct($val)
+    {
+        $this->val = $val;
+    }
+
+    public function __toString()
+    {
+        return $this->val;
+    }
+}