polars.Expr.from_json#
- classmethod Expr.from_json(value: str) Expr [source]#
Read an expression from a JSON encoded string to construct an Expression.
Deprecated since version 0.20.11: This method has been renamed to
deserialize()
. Note that the new method operates on file-like inputs rather than strings. Enclose your input inio.StringIO
to keep the same behavior.- Parameters:
- value
JSON encoded string value