Expr.mul

methodView source ↗

def mul(other: Any) -> Expr

Categories: numeric

Multiplication operator.

Parameters

parameter

other

The value to multiply by.

Examples

>>> import tabsdata as td
>>>
>>> tf: td.TableFrame ...
>>>
>>> tf = tf.select(td.col("val"), td.col("val").mul(10).alias("mul"))
>>>
┌──────┬──────┐
│ val  ┆ mul  │
│ ---  ┆ ---  │
│ i64  ┆ i64  │
╞══════╪══════╡
│ 1    ┆ 10   │
│ 15   ┆ 150  │
│ 18   ┆ 180  │
│ 75   ┆ 750  │
│ null ┆ null │
└──────┴──────┘