ray.data.expressions.LiteralExpr.str

property LiteralExpr.str: _StringNamespace

Access string operations for this expression.

Returns:

A _StringNamespace that provides string-specific operations.

Example

>>> from ray.data.expressions import col
>>> import ray
>>> ds = ray.data.from_items([
...     {"name": "Alice"},
...     {"name": "Bob"}
... ])
>>> ds = ds.with_column("upper_name", col("name").str.upper())
>>> ds = ds.with_column("name_len", col("name").str.len())
>>> ds = ds.with_column("starts_a", col("name").str.starts_with("A"))