text: alter table ACT_HI_COMMENT 
  add TYPE_ varchar(255);
  
  alter table ACT_HI_COMMENT 
  add ACTION_ varchar(255);
  
  alter table ACT_HI_COMMENT 
  add FULL_MSG_ longvarbinary;
  
  alter table ACT_HI_TASKINST 
  add OWNER_ varchar(64);
  
  alter table ACT_HI_TASKINST 
  add PARENT_TASK_ID_ varchar(64);
  