pyarrow.flight.FlightInfo

class pyarrow.flight.FlightInfo(Schema schema, FlightDescriptor descriptor, endpoints, total_records, total_bytes)

Bases: pyarrow.lib._Weakrefable

A description of a Flight stream.

__init__()

Create a FlightInfo object from a schema, descriptor, and endpoints.

Parameters

• schema (Schema) – the schema of the data in this flight.

• descriptor (FlightDescriptor) – the descriptor for this flight.

• endpoints (list of FlightEndpoint) – a list of endpoints where this flight is available.

• total_records (int) – the total records in this flight, or -1 if unknown

• total_bytes (int) – the total bytes in this flight, or -1 if unknown

Methods

__init__	Create a FlightInfo object from a schema, descriptor, and endpoints.
deserialize(type cls, serialized)	Parse the wire-format representation of this type.
serialize(self)	Get the wire-format representation of this type.

Attributes

descriptor	The descriptor of the data in this flight.
endpoints	The endpoints where this flight is available.
schema	The schema of the data in this flight.
total_bytes	The size in bytes of the data in this flight, or -1 if unknown.
total_records	The total record count of this flight, or -1 if unknown.

descriptor

The descriptor of the data in this flight.

deserialize(type cls, serialized)

Parse the wire-format representation of this type.

Useful when interoperating with non-Flight systems (e.g. REST services) that may want to return Flight types.

endpoints

The endpoints where this flight is available.

schema

The schema of the data in this flight.

serialize(self)

Get the wire-format representation of this type.

Useful when interoperating with non-Flight systems (e.g. REST services) that may want to return Flight types.

total_bytes

The size in bytes of the data in this flight, or -1 if unknown.

total_records

The total record count of this flight, or -1 if unknown.