Index: openacs-4/packages/evaluation/sql/postgresql/upgrade/upgrade-2.9.0-2.9.1d1.sql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/evaluation/sql/postgresql/upgrade/upgrade-2.9.0-2.9.1d1.sql,v
diff -u -N
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ openacs-4/packages/evaluation/sql/postgresql/upgrade/upgrade-2.9.0-2.9.1d1.sql	7 Aug 2017 23:48:10 -0000	1.2
@@ -0,0 +1,41 @@
+--
+-- Alter caveman style booleans (type character(1)) to real SQL boolean types.
+--
+
+drop view evaluation_tasksx;
+drop view evaluation_tasksi cascade;
+
+ALTER TABLE evaluation_tasks
+      DROP constraint IF EXISTS evaluation_tasks_onp_ck,
+      ALTER COLUMN online_p TYPE boolean
+      USING online_p::boolean;
+
+ALTER TABLE evaluation_tasks
+      DROP constraint IF EXISTS evaluations_tasks_lsp_ck,
+      DROP constraint IF EXISTS evaluations_tasks_rgp_ck,
+      ALTER COLUMN late_submit_p TYPE boolean
+      USING late_submit_p::boolean;
+
+ALTER TABLE evaluation_tasks
+      ALTER COLUMN requires_grade_p TYPE boolean
+      USING requires_grade_p::boolean;
+
+ALTER TABLE evaluation_tasks
+      DROP constraint IF EXISTS evaluation_tasks_frp_ck,
+      ALTER COLUMN forums_related_p TYPE boolean
+      USING forums_related_p::boolean;
+
+
+drop view evaluation_student_evalsx;
+drop view evaluation_student_evalsi cascade;
+
+ALTER TABLE evaluation_student_evals
+      DROP constraint IF EXISTS evaluation_stu_evals_ssp_ck,
+      ALTER COLUMN show_student_p DROP DEFAULT,
+      ALTER COLUMN show_student_p TYPE boolean
+      USING show_student_p::boolean,
+      ALTER COLUMN show_student_p SET DEFAULT false;
+
+
+select content_type__refresh_view('evaluation_tasks') from dual;
+select content_type__refresh_view('evaluation_student_evals') from dual;