code: def copy(cls, conn, **where):
          
          cur = conn.cursor()
          if where and cls.copy_where:
              copy_where = cls.copy_where.format(**where)
              # print(copy_where)
          else:
              copy_where = ''
          cur.execute('INSERT INTO %s '
                      'SELECT * FROM source.%s %s' % (cls.table, cls.table, copy_where))
docs: Copy data from one table to another while filtering data at the same time
  
          Parameters
          ----------
          conn: sqlite3 DB connection.  It must have a second database
              attached as "other".
          **where : keyword arguments
              specifying (start_ut and end_ut for filtering, see the copy_where clause in the subclasses)