Index: openacs-4/packages/acs-mail-lite/sql/oracle/upgrade/upgrade-5.8.1d3-5.8.1d4.sql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-mail-lite/sql/oracle/upgrade/upgrade-5.8.1d3-5.8.1d4.sql,v
diff -u -r1.2 -r1.3
--- openacs-4/packages/acs-mail-lite/sql/oracle/upgrade/upgrade-5.8.1d3-5.8.1d4.sql	27 Oct 2014 16:39:40 -0000	1.2
+++ openacs-4/packages/acs-mail-lite/sql/oracle/upgrade/upgrade-5.8.1d3-5.8.1d4.sql	7 Aug 2017 23:47:57 -0000	1.3
@@ -6,4 +6,6 @@
 -- new columns
 
 alter table acs_mail_lite_queue add filesystem_files varchar(4000);
-alter table acs_mail_lite_queue add delete_filesystem_files_p boolean;
\ No newline at end of file
+alter table acs_mail_lite_queue add delete_filesystem_files_p char(1)
+   constraint amlq_del_fs_files_p_ck
+   check (delete_filesystem_files_p in ('t','f'));
