Module async_reader

async API for reading Parquet files as RecordBatches

See the crate-level documentation for more details.

See example on ParquetRecordBatchStreamBuilder::new

Structs

ParquetRecordBatchStream

An asynchronous Streamof RecordBatch constructed using ParquetRecordBatchStreamBuilder to read parquet files.

Traits

AsyncFileReader

The asynchronous interface used by ParquetRecordBatchStream to read parquet files

MetadataFetch

A data source that can be used with ParquetMetaDataReader to load ParquetMetaData

MetadataSuffixFetch

A data source that can be used with ParquetMetaDataReader to load ParquetMetaData via suffix requests, without knowing the file size

Type Aliases

ParquetRecordBatchStreamBuilder

A builder for reading parquet files from an async source as ParquetRecordBatchStream