Index: ConvertDoctrine1Schema.php
===================================================================
--- ConvertDoctrine1Schema.php	(revision 6580)
+++ ConvertDoctrine1Schema.php	(working copy)
@@ -143,6 +143,11 @@
             $column = array();
             $column['type'] = $string;
         }
+        // check if a column alias was used (column_name as field_name)
+        if (preg_match("/(\w+)\sas\s(\w+)/i", $name, $matches)) {
+            $name = $matches[1];
+            $column['alias'] = $matches[2];
+        }
         if (preg_match("/([a-zA-Z]+)\(([0-9]+)\)/", $column['type'], $matches)) {
             $column['type'] = $matches[1];
             $column['length'] = $matches[2];