Expr.str.len_bytes

methodView source ↗

def len_bytes() -> Expr

Categories: string

Return number of bytes (not chars) of a string.

Examples

>>> import tabsdata as td
>>>
>>> tf: td.TableFrame ...
>>>
>>> tf.select(td.col("a"), td.col("a").str.len_bytes().alias("len_bytes"))
>>>
┌──────┬────────────┐
│ a    ┆ to_decimal │
│ ---  ┆ ---        │
│ str  ┆ u32        │
╞══════╪════════════╡
│ ab   ┆ 2          │
│ 再   ┆ 3          │
│ null ┆ null       │
└──────┴────────────┘