tabsdata.tableframe.functions.lit.lit#
- lit(value: Any, dtype: DataTypeClass | DataType | None = None, *, allow_object: bool = False) Expr[source]#
Expression for the given literal value.
- Parameters:
value – The literal value.
dtype – The data type of the literal value.
allow_object – Whether to allow object data type.
Example:
>>> import tabsdata as td >>> >>> tf: td.TableFrame ... >>> >>> tf.select(td.lit("Hi").alias("lit"), td.col("age").alias("Age")) >>> ┌──────┬──────┐ │ lit ┆ Age │ │ --- ┆ --- │ │ str ┆ i64 │ ╞══════╪══════╡ │ Hi ┆ 1 │ │ Hi ┆ 15 │ │ Hi ┆ 18 │ │ Hi ┆ null │ └──────┴──────┘