in python/datafusion/functions.py [0:0]
def to_timestamp(arg: Expr, *formatters: Expr) -> Expr:
"""Converts a string and optional formats to a ``Timestamp`` in nanoseconds.
For usage of ``formatters`` see the rust chrono package ``strftime`` package.
[Documentation here.](https://docs.rs/chrono/latest/chrono/format/strftime/index.html)
"""
if formatters is None:
return f.to_timestamp(arg.expr)
formatters = [f.expr for f in formatters]
return Expr(f.to_timestamp(arg.expr, *formatters))