dc.executeStatement("delete from workflow_history; ");
dc.executeStatement("delete from workflow_comment; ");
dc.executeStatement("delete from workflowtask_files; ");
dc.executeStatement("delete from workflow_task; ");
dc.executeStatement("alter table workflow_task add constraint FK_workflow_task_asset foreign key (webasset) references identifier(id)");
dc.executeStatement("ALTER TABLE workflow_task MODIFY status varchar(36)");
dc.executeStatement("ALTER TABLE workflow_task MODIFY assigned_to varchar(36)");
dc.executeStatement("alter table workflow_task add constraint FK_workflow_assign foreign key (assigned_to) references cms_role(id)");
dc.executeStatement("alter table workflow_task add constraint FK_workflow_step foreign key (status) references workflow_step(id)");
dc.executeStatement("alter table workflow_scheme add constraint FK_wf_scheme_action foreign key (entry_action_id) references workflow_action(id)");