1 files changed, 27 insertions, 1 deletions
diff --git a/modules/simpletest/tests/database_test.test b/modules/simpletest/tests/database_test.test
index bcba352d5..cf9217ebb 100644
--- a/modules/simpletest/tests/database_test.test
+++ b/modules/simpletest/tests/database_test.test
@@ -1532,7 +1532,33 @@ class DatabaseSelectSubqueryTestCase extends DatabaseTestCase {
   }
 
   /**
-   * Test that we can use a subquery in a FROM clause.
+   * Test that we can use a subquery in a FROM clause with a limit.
+   */
+  function testFromSubquerySelectWithLimit() {
+    // Create a subquery, which is just a normal query object.
+    $subquery = db_select('test_task', 'tt');
+    $subquery->addField('tt', 'pid', 'pid');
+    $subquery->addField('tt', 'task', 'task');
+    $subquery->orderBy('priority', 'DESC');
+    $subquery->range(0, 1);
+
+    // Create another query that joins against the virtual table resulting
+    // from the subquery.
+    $select = db_select($subquery, 'tt2');
+    $select->join('test', 't', 't.id=tt2.pid');
+    $select->addField('t', 'name');
+
+    // The resulting query should be equivalent to:
+    // SELECT t.name
+    // FROM (SELECT tt.pid AS pid, tt.task AS task FROM test_task tt ORDER BY priority DESC LIMIT 1 OFFSET 0) tt
+    //   INNER JOIN test t ON t.id=tt.pid
+    $people = $select->execute()->fetchCol();
+
+    $this->assertEqual(count($people), 1, t('Returned the correct number of rows.'));
+  }
+
+  /**
+   * Test that we can use a subquery in a WHERE clause.
    */
   function testConditionSubquerySelect() {
     // Create a subquery, which is just a normal query object.