BUG 8609 "Missing datetime field type" SOLVED

- the reporter is right, DATETIME field type is missing
- DATETIME field type was added, it is not a directly supported type by our ORM (propel), but we're handling that with its equivalent TIMESTAMP, but don't worry it is transparent by final users.

workflow/engine/classes/class.pmTable.php

@@ -575,6 +575,7 @@ class PmTable
     $types['LONGVARCHAR'] = 'LONGVARCHAR';
     $types['DATE'] = 'DATE';
     $types['TIME'] = 'TIME';
+    $types['DATETIME'] = 'DATETIME';
     //$types['BLOB'] = 'BLOB'; <- disabled
     //$types['CLOB'] = 'CLOB'; <- disabled