Available on crate feature
parquet
only.Expand description
Functionality for reading Apache Parquet files.
§Examples
use polars_core::prelude::*;
use polars_io::prelude::*;
use std::fs::File;
fn example() -> PolarsResult<DataFrame> {
let r = File::open("example.parquet").unwrap();
let reader = ParquetReader::new(r);
reader.finish()
}
Structs§
- ParquetAsyncReader
cloud
A Parquet reader on top of the async object_store API. Only the batch reader is implemented since parquet files on cloud storage tend to be big and slow to access. - Read Apache parquet format into a DataFrame.