}
    objid = db_lget_int("checkout",0);
    zDate = mprintf("(SELECT mtime FROM plink WHERE cid=%d)", objid);
  }else if( name_to_uuid(&uuid, 0)==0 ){
    objid = db_int(0, "SELECT rid FROM blob WHERE uuid=%B", &uuid);
    zDate = mprintf("(SELECT mtime FROM plink WHERE cid=%d)", objid);
  }else{
    const char *zShift = "";
    if( mode==3 || mode==4 ){
      fossil_fatal("cannot compute descendants or ancestors of a date");
    }
    if( mode==0 ){

      if( isIsoDate(zOrigin) ) zShift = ",'+1 day'";
    }
    zDate = mprintf("(SELECT julianday(%Q%s, 'utc'))", zOrigin, zShift);
  }
  if( mode==0 ) mode = 1;
  zSQL = mprintf("%z AND event.mtime %s %s",
     timeline_query_for_tty_m(),
     (mode==1 || mode==4) ? "<=" : ">=",
     zDate
  );
  if( mode==3 || mode==4 ){
    db_multi_exec("CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY)");