fixes #515, correlated subqueries with IN operator

lib/Doctrine/Query/Where.php

@@ -97,7 +97,7 @@ class Doctrine_Query_Where extends Doctrine_Query_Condition
 
                 // subquery found
                 $q     = new Doctrine_Query();
-                $value = '(' . $q->isSubquery(true)->parseQuery($trimmed)->getQuery() . ')';
+                $value = '(' . $this->query->createSubquery()->parseQuery($trimmed, false)->getQuery() . ')';
 
             } elseif (substr($trimmed, 0, 4) == 'SQL:') {
                 $value = '(' . substr($trimmed, 4) . ')';

tests/Query/WhereTestCase.php

@@ -315,4 +315,13 @@ class Doctrine_Query_Where_TestCase extends Doctrine_UnitTestCase
         
         $this->assertEqual($q->getSql(), 'SELECT e.id AS e__id FROM entity e WHERE 1 IN (1, 2) AND (e.type = 0)');
     }
+
+    public function testCorrelatedSubqueryWithInOperatorIsSupported()
+    {
+        $q = new Doctrine_Query();
+        
+        $q->select('u.id')->from('User u')->where('u.name IN (SELECT u2.name FROM User u2 WHERE u2.id = u.id)');
+
+        $this->assertEqual($q->getSql(), 'SELECT e.id AS e__id FROM entity e WHERE e.name IN (SELECT e2.name AS e2__name FROM entity e2 WHERE e2.id = e.id AND (e.type = 0 AND (e2.type = 0 OR e2.type IS NULL))) AND (e.type = 0)');
+    }
 }