Merge branch 'MDL-30739' of git://github.com/stronk7/moodle

moodle · Dec 20, 2011 · 2dee0aa · 2dee0aa
2 parents 8047294 + 5cff28c
commit 2dee0aa
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/lib/dml/simpletest/testdml.php b/lib/dml/simpletest/testdml.php
@@ -919,6 +919,17 @@ public function test_execute() {
         $this->assertTrue($DB->execute($sql, array('3')));
         $this->assertEqual($DB->count_records($tablename1, array('course' => 6)), 2);
 
+        // update records with subquery condition
+        // confirm that the option not using table aliases is cross-db
+        $sql = "UPDATE {{$tablename1}}
+                   SET course = 0
+                 WHERE NOT EXISTS (
+                           SELECT course
+                             FROM {{$tablename2}} tbl2
+                            WHERE tbl2.course = {{$tablename1}}.course
+                              AND 1 = 0)"; // Really we don't update anything, but verify the syntax is allowed
+        $this->assertTrue($DB->execute($sql));
+
         // insert from one into second table
         $sql = "INSERT INTO {{$tablename2}} (course)