Serialize to JSON representation. Parameters: file. File path or writable file-like object to which the result will be written. If set to None (default), the ...

Polars allows you to scan a JSON input only for newline delimited json. Scanning delays the actual parsing of the file and instead returns a lazy computation ...

Write to row oriented json. This is slower, but more common. See also. DataFrame.write_ndjson. Examples.

Read into a DataFrame from a JSON file. Parameters: source. Path to a file or a file-like object (by “file-like object” we refer to objects that have a read ...

24 апр. 2024 г. · Polars has a function called json_decode() that can be used to convert strings of JSONs into Polars Structs. The data of type Struct then can be ...

7 мар. 2023 г. · The correct way would be to implement a serialize_df() -> serde_json::Value yourself using a custom Serializer for whatever your df contains.

28 сент. 2024 г. · Polars offers a fast and efficient way to read JSON files into DataFrames using the polars.read_json() function. Whether you're working with ...

1 нояб. 2024 г. · polars-json is an internal sub-crate of the Polars library, provides functionalities to handle JSON objects. Important Note: This crate is not ...

File path or writable file-like object to which the result will be written. If set to None (default), the output is returned as a string instead.

25 мар. 2024 г. · I was wondering how to read in a JSON file into a polars DataFrame in Rust on the "data" key. However, I believe the structure of the JSON file ...