text: alter table ACT_RU_TASK add SUB_TASK_COUNT_ INTEGER;
  update ACT_RU_TASK t set t.SUB_TASK_COUNT_ = (select count(*) from (select * from ACT_RU_TASK where IS_COUNT_ENABLED_ = 1) count_table where count_table.PARENT_TASK_ID_ = t.ID_) where t.IS_COUNT_ENABLED_ = 1;
  
  update ACT_GE_PROPERTY set VALUE_ = '6.3.0.0' where NAME_ = 'task.schema.version';
  