Function reference • Arrow R Package

Installation helpers
`arrow_available()`	Is the C++ Arrow library available?
`install_arrow()`	Help installing the Arrow C++ library
Reading and writing files
`read_delim_arrow()` `read_csv_arrow()` `read_tsv_arrow()`	Read a CSV or other delimited file with Arrow
`read_json_arrow()`	Read a JSON file
`read_feather()`	Read a Feather file
`read_parquet()`	Read a Parquet file
`read_table()` `read_arrow()`	Read an arrow::Table from a stream
`write_arrow()`	Write Arrow formatted data
`write_feather()`	Write data in the Feather format
`write_parquet()`	Write Parquet file to disk
C++ reader/writer interface
`ParquetFileReader`	ParquetFileReader class
`ParquetReaderProperties`	ParquetReaderProperties class
`FeatherTableReader`	FeatherTableReader class
`FeatherTableWriter`	FeatherTableWriter class
`CsvTableReader`	Arrow CSV and JSON table reader classes
`RecordBatchReader`	RecordBatchReader classes
`RecordBatchWriter`	RecordBatchWriter classes
`CsvReadOptions`	File reader options
Arrow data containers
`buffer()`	Buffer class
`array`	Array class
`ArrayData`	ArrayData class
`chunked_array()`	ChunkedArray class
`record_batch()`	RecordBatch class
`Table`	Table class
`read_message()`	Read a Message from a stream
`read_record_batch()`	read arrow::RecordBatch as encapsulated IPC message, given a known arrow::Schema
Arrow data types and schema
`schema()`	Schema class
`type()`	infer the arrow Array type from an R vector
`dictionary()`	Create a dictionary type
`field()`	Field class
`read_schema()`	read a Schema from a stream
`int8()` `int16()` `int32()` `int64()` `uint8()` `uint16()` `uint32()` `uint64()` `float16()` `halffloat()` `float32()` `float()` `float64()` `boolean()` `bool()` `utf8()` `string()` `date32()` `date64()` `time32()` `time64()` `null()` `timestamp()` `decimal()` `list_of()` `struct()`	Apache Arrow data types
`DataType`	class arrow::DataType
`DictionaryType`	class DictionaryType
`FixedWidthType`	class arrow::FixedWidthType
`cast_options()`	Cast options
Input/Output
`InputStream`	InputStream classes
`mmap_open()`	Open a memory mapped file
`mmap_create()`	Create a new read/write memory mapped file of a given size
`OutputStream`	OutputStream classes
`Message`	class arrow::Message
`MessageReader`	class arrow::MessageReader
`compression`	Compressed stream classes
`Codec`	Compression Codec class
`MemoryPool`	class arrow::MemoryPool
`default_memory_pool()`	default arrow::MemoryPool
`FileSystem`	FileSystem classes
`FileStats`	FileSystem entry stats
`Selector`	file selector

Reference

Installation helpers

Reading and writing files

C++ reader/writer interface

Arrow data containers

Arrow data types and schema

Input/Output

Contents