code: def _table_limit(table, n, offset=0):
      
      op = ops.Limit(table, n, offset=offset)
      return op.to_expr()
docs: Select the first n rows at beginning of table (may not be deterministic
      depending on implementation and presence of a sorting).
  
      Parameters
      ----------
      n : int
        Number of rows to include
      offset : int, default 0
        Number of rows to skip first
  
      Returns
      -------
      limited : TableExpr