iceberg::parquet::ParquetReader Class Reference

A reader that reads ArrowArray from Parquet files. More...

#include <parquet_reader.h>

Inheritance diagram for iceberg::parquet::ParquetReader:

Public Member Functions
Status	Open (const ReaderOptions &options) final
	Open the reader.
Status	Close () final
	Close the reader.
Result< std::optional< ArrowArray > >	Next () final
	Read next data from file.
Result< ArrowSchema >	Schema () final
	Get the schema of the data. Every batch must match this schema and the configured Arrow list width. Readers must reject unsupported list widths before emitting any batches.
Result< std::unordered_map< std::string, std::string > >	Metadata () final
	Get the metadata of the file.
Public Member Functions inherited from iceberg::Reader
	Reader (const Reader &)=delete
Reader &	operator= (const Reader &)=delete

Detailed Description

A reader that reads ArrowArray from Parquet files.

Member Function Documentation

Close()

Status iceberg::parquet::ParquetReader::Close ( )

finalvirtual

Close the reader.

Implements iceberg::Reader.

Metadata()

Result< std::unordered_map< std::string, std::string > > iceberg::parquet::ParquetReader::Metadata ( )

finalvirtual

Get the metadata of the file.

Implements iceberg::Reader.

Next()

Result< std::optional< ArrowArray > > iceberg::parquet::ParquetReader::Next ( )

finalvirtual

Read next data from file.

Returns

std::nullopt if the reader has no more data, otherwise ArrowArray.

Implements iceberg::Reader.

Open()

Status iceberg::parquet::ParquetReader::Open ( const ReaderOptions &  options )

finalvirtual

Open the reader.

Implements iceberg::Reader.

Schema()

Result< ArrowSchema > iceberg::parquet::ParquetReader::Schema ( )

finalvirtual

Get the schema of the data. Every batch must match this schema and the configured Arrow list width. Readers must reject unsupported list widths before emitting any batches.

Implements iceberg::Reader.

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The documentation for this class was generated from the following file:

• iceberg/parquet/parquet_reader.h