Adding new session fields see BT#4874 (missing DB upgrade)

main/install/db_main.sql

@@ -460,15 +460,17 @@ CREATE TABLE IF NOT EXISTS session (
   name char(50) NOT NULL default '',
   nbr_courses smallint unsigned NOT NULL default '0',
   nbr_users mediumint unsigned NOT NULL default '0',
-  nbr_classes mediumint unsigned NOT NULL default '0',
-  date_start date NOT NULL default '0000-00-00',
-  date_end date NOT NULL default '0000-00-00',
-  nb_days_access_before_beginning TINYINT UNSIGNED NULL default '0',
-  nb_days_access_after_end TINYINT UNSIGNED NULL default '0',
+  nbr_classes mediumint unsigned NOT NULL default '0',   
   session_admin_id INT UNSIGNED NOT NULL,
   visibility int NOT NULL default 1,
   session_category_id int NOT NULL,
   promotion_id INT NOT NULL,
+  display_start_date datetime NOT NULL default '0000-00-00 00:00:00',
+  display_end_date datetime NOT NULL default '0000-00-00 00:00:00',
+  access_start_date datetime NOT NULL default '0000-00-00 00:00:00',
+  access_end_date datetime NOT NULL default '0000-00-00 00:00:00',
+  coach_access_start_date datetime NOT NULL default '0000-00-00 00:00:00',
+  coach_access_end_date datetime NOT NULL default '0000-00-00 00:00:00',
   PRIMARY KEY  (id),
   INDEX (session_admin_id),
   UNIQUE KEY name (name)

main/install/migrate-db-1.9.0-1.10.0-pre.sql

@@ -35,6 +35,17 @@ ALTER TABLE session_rel_user ADD COLUMN moved_status INT NOT NULL DEFAULT 0;
 ALTER TABLE session_rel_user ADD COLUMN moved_at datetime NOT NULL default '0000-00-00 00:00:00';
 
 
+ALTER TABLE session ADD COLUMN display_start_date datetime NOT NULL default '0000-00-00 00:00:00';
+ALTER TABLE session ADD COLUMN display_end_date datetime NOT NULL default '0000-00-00 00:00:00';
+ALTER TABLE session ADD COLUMN access_start_date datetime NOT NULL default '0000-00-00 00:00:00';
+ALTER TABLE session ADD COLUMN access_end_date datetime NOT NULL default '0000-00-00 00:00:00';
+ALTER TABLE session ADD COLUMN coach_access_start_date datetime NOT NULL default '0000-00-00 00:00:00';
+ALTER TABLE session ADD COLUMN coach_access_end_date datetime NOT NULL default '0000-00-00 00:00:00';
+
+-- ALTER TABLE session DROP COLUMN date_start;
+-- ALTER TABLE session DROP COLUMN date_end;
+
+
 -- Normal tables
 
 UPDATE settings_current SET selected_value = '1.10.xx' WHERE variable = 'chamilo_database_version';