polars.Series.str.json_decode#
- Series.str.json_decode( ) Series [source]#
Parse string values as JSON.
Throws an error if invalid JSON strings are encountered.
- Parameters:
- dtype
The dtype to cast the extracted value to. If None, the dtype will be inferred from the JSON value.
- infer_schema_length
The maximum number of rows to scan for schema inference. If set to
None
, the full data may be scanned (this is slow).
See also
json_path_match
Extract the first match of json string with provided JSONPath expression.
Examples
>>> s = pl.Series("json", ['{"a":1, "b": true}', None, '{"a":2, "b": false}']) >>> s.str.json_decode() shape: (3,) Series: 'json' [struct[2]] [ {1,true} null {2,false} ]