Method change_table_ptr

sql/handler.cc:4017–4024

}

void handler::change_table_ptr(TABLE *table_arg, TABLE_SHARE *share)
{
  DBUG_ASSERT(table_arg->s == share);
  table= table_arg;
  table_share= share;
  costs= &share->optimizer_costs;
  reset_statistics();
}


int handler::ha_rnd_next(uchar *buf)