* auth/sql.c (get_field): NULL value in an optional field is

equivalent to MU_ERR_NOENT.

+2008-11-21  Sergey Poznyakoff  <gray@gnu.org.ua>
+
+	* auth/sql.c (get_field): NULL value in an optional field is
+	equivalent to MU_ERR_NOENT.
+
 2008-11-18  Sergey Poznyakoff  <gray@gnu.org.ua>
 
 	* mailbox/amd.c (_amd_attach_message): Call mu_body_clear_modified

@@ -180,9 +180,14 @@ get_field (mu_sql_connection_t conn, const char *id, char **ret, int mandatory)
     }
   else if (!*ret)
     {
-      mu_error (_("SQL field `%s' (`%s') has NULL value"),
-		id, name ? *name : id);
-      rc = MU_ERR_READ;
+      if (mandatory)
+	{
+	  mu_error (_("SQL field `%s' (`%s') has NULL value"),
+		    id, name ? *name : id);
+	  rc = MU_ERR_READ;
+	}
+      else
+	rc = MU_ERR_NOENT;
     }
 
   return rc;