Index: twitter.install
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/twitter/twitter.install,v
retrieving revision 1.2.2.1
diff -b -u -p -r1.2.2.1 twitter.install
--- twitter.install	17 Jan 2009 20:43:53 -0000	1.2.2.1
+++ twitter.install	11 Mar 2009 18:39:52 -0000
@@ -120,7 +120,8 @@ function twitter_schema() {
       'screen_name' => array(
         'description' => t("The unique login name for the Twitter account."),
         'type' => 'varchar',
-        'length' => 255
+        'length' => 255,
+        'not null' => TRUE,
       ),
       'password' => array(
         'description' => t("The password for the Twitter account."),