1
2ALTER TABLE `tiki_tracker_item_fields` DROP PRIMARY KEY;
3ALTER TABLE `tiki_tracker_item_fields` DROP KEY `lang`;
4ALTER TABLE `tiki_tracker_item_fields` DROP COLUMN `lang`;
5ALTER TABLE `tiki_tracker_item_fields` ADD PRIMARY KEY (`itemId`, `fieldId`);
6
7ALTER TABLE `tiki_tracker_item_field_logs` DROP COLUMN `lang`;
8