Add testcase for limit/offset when selecting from a subselect

tests/Doctrine/Tests/DBAL/Functional/ModifyLimitQueryTest.php

@@ -110,6 +110,20 @@ class ModifyLimitQueryTest extends \Doctrine\Tests\DbalFunctionalTestCase
         $this->assertLimitResult(array(2, 1), $sql, 2, 2, false);
     }
 
+    public function testModifyLimitQueryFromSubSelect()
+    {
+        $this->_conn->insert('modify_limit_table', array('test_int' => 1));
+        $this->_conn->insert('modify_limit_table', array('test_int' => 2));
+        $this->_conn->insert('modify_limit_table', array('test_int' => 3));
+        $this->_conn->insert('modify_limit_table', array('test_int' => 4));
+
+        $sql = "SELECT * FROM (SELECT * FROM modify_limit_table) sub";
+
+        $this->assertLimitResult(array(4, 3, 2, 1), $sql, 10, 0, false);
+        $this->assertLimitResult(array(4, 3), $sql, 2, 0, false);
+        $this->assertLimitResult(array(2, 1), $sql, 2, 2, false);
+    }
+
     public function assertLimitResult($expectedResults, $sql, $limit, $offset, $deterministic = true)
     {
         $p = $this->_conn->getDatabasePlatform();