Tabular File Formats

CSV Files

ConvertOptions([check_utf8, column_types, ...])	Options for converting CSV data.
CSVStreamingReader()	An object that reads record batches incrementally from a CSV file.
CSVWriter(sink, Schema schema, ...)	Writer to create a CSV file.
ISO8601	A special object indicating ISO-8601 parsing.
ParseOptions([delimiter, quote_char, ...])	Options for parsing CSV files.
ReadOptions([use_threads, block_size, ...])	Options for reading CSV files.
WriteOptions([include_header, batch_size, ...])	Options for writing CSV files.
open_csv(input_file[, read_options, ...])	Open a streaming reader of CSV data.
read_csv(input_file[, read_options, ...])	Read a Table from a stream of CSV data.
write_csv(data, output_file[, write_options])	Write record batch or table to a CSV file.
InvalidRow(expected_columns, actual_columns, ...)	Description of an invalid row in a CSV file.

Feather Files

read_feather(source[, columns, use_threads, ...])	Read a pandas.DataFrame from Feather format.
read_table(source[, columns, memory_map, ...])	Read a pyarrow.Table from Feather format
write_feather(df, dest[, compression, ...])	Write a pandas.DataFrame to Feather format.

JSON Files

ReadOptions([use_threads, block_size])	Options for reading JSON files.
ParseOptions([explicit_schema, ...])	Options for parsing JSON files.
read_json(input_file[, read_options, ...])	Read a Table from a stream of JSON data.

Parquet Files

ParquetDataset([path_or_paths, filesystem, ...])	Encapsulates details of reading a complete Parquet dataset possibly consisting of multiple files and partitions in subdirectories.
ParquetFile(source[, metadata, ...])	Reader interface for a single Parquet file.
ParquetWriter(where, schema[, filesystem, ...])	Class for incrementally building a Parquet file for Arrow tables.
read_table(source[, columns, use_threads, ...])	Read a Table from Parquet format
read_metadata(where[, memory_map, ...])	Read FileMetaData from footer of a single Parquet file.
read_pandas(source[, columns])	Read a Table from Parquet format, also reading DataFrame index values if known in the file metadata
read_schema(where[, memory_map, ...])	Read effective Arrow schema from Parquet file metadata.
write_metadata(schema, where[, ...])	Write metadata-only Parquet file from schema.
write_table(table, where[, row_group_size, ...])	Write a Table to Parquet format.
write_to_dataset(table, root_path[, ...])	Wrapper around parquet.write_table for writing a Table to Parquet format by partitions.

Parquet Metadata

FileMetaData	Parquet metadata for a single file.
RowGroupMetaData	Metadata for a single row group.
ColumnChunkMetaData	Column metadata for a single row group.
Statistics	Statistics for a single column in a single row group.
ParquetSchema	A Parquet schema.
ColumnSchema	Schema for a single column.
ParquetLogicalType	Logical type of parquet type.

Encrypted Parquet Files

CryptoFactory(kms_client_factory)	A factory that produces the low-level FileEncryptionProperties and FileDecryptionProperties objects, from the high-level parameters.
KmsClient()	The abstract base class for KmsClient implementations.
KmsConnectionConfig([kms_instance_id, ...])	Configuration of the connection to the Key Management Service (KMS)
EncryptionConfiguration(footer_key[, ...])	Configuration of the encryption, such as which columns to encrypt
DecryptionConfiguration([cache_lifetime])	Configuration of the decryption, such as cache timeout.

ORC Files

ORCFile(source)	Reader interface for a single ORC file
ORCWriter(where, *[, file_version, ...])	Writer interface for a single ORC file
read_table(source[, columns, filesystem])	Read a Table from an ORC file.
write_table(table, where, *[, file_version, ...])	Write a table into an ORC file.

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