tabsdata.tableframe.expr.expr.Expr.eq_missing

Expr.eq_missing(other: Any) → Expr

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

Parameters:

other – The value to compare with.

Example:

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