Expr.eq

methodView source ↗

def eq(other: Any) -> TdExpr

Categories: logic

Compare if 2 expressions are equal, equivalent to expr == other. If one of the expressions is null (None) it returns null.

Parameters

parameter

other

The value to compare with.

Examples

>>> import tabsdata as td
>>>
>>> tf: td.TableFrame ...
>>>
>>> tf = tf.select(td.col("a").eq(td.col("b")).alias("eq"))
>>>
┌─────┬──────┬───────┐
│ a   ┆ b    ┆ eq    │
│ --- ┆ ---  ┆ ---   │
│ f64 ┆ f64  ┆ bool  │
╞═════╪══════╪═══════╡
│ 1.0 ┆ 2.0  ┆ false │
│ 2.0 ┆ 2.0  ┆ true  │
│ NaN ┆ NaN  ┆ true  │
│ 4.0 ┆ NaN  ┆ false │
│ 5.0 ┆ null ┆ null  │
│ null┆ null ┆ null  │
└─────┴──────┴───────┘