Index: branches/5.2.x/core/install/upgrades.sql
===================================================================
diff -u -N -r14981 -r14994
--- branches/5.2.x/core/install/upgrades.sql	(.../upgrades.sql)	(revision 14981)
+++ branches/5.2.x/core/install/upgrades.sql	(.../upgrades.sql)	(revision 14994)
@@ -2525,3 +2525,10 @@
     ADD RequireLogin TINYINT NOT NULL DEFAULT '0';
 
 INSERT INTO ConfigurationValues VALUES(DEFAULT, 'UpdateCountersOnFilterChange', '1', 'In-Portal', 'in-portal:configure_categories', 'la_title_General', 'la_config_UpdateCountersOnFilterChange', 'checkbox', '', '', 10.15, 0, 0, NULL);
+
+ALTER TABLE UserSession CHANGE `tz` `TimeZone` VARCHAR(255) NOT NULL;
+ALTER TABLE PortalUser CHANGE `tz` `TimeZone` VARCHAR(255) NOT NULL DEFAULT '';
+
+UPDATE SearchConfig
+SET FieldName = 'TimeZone'
+WHERE FieldName = 'tz' AND TableName = 'PortalUser';