Module polars_io::parquet

Available on crate feature feature only.

Reading Apache parquet files.

Example

use polars_core::prelude::*;
use polars_io::prelude::*;
use std::fs::File;

fn example() -> Result<DataFrame> {
    let r = File::open("some_file.parquet").unwrap();
    let reader = ParquetReader::new(r);
    reader.finish()
}

Modules

predicates

Structs

BrotliLevel

Represents a valid brotli compression level.

GzipLevel

Represents a valid gzip compression level.

ParquetReader

Read Apache parquet format into a DataFrame.

ParquetWriter

Write a DataFrame to parquet format

ZstdLevel

Represents a valid zstd compression level.

Enums

ParquetCompression

Defines the compression settings for writing a parquet file.