OptionalexpirationExpiration time for this request. After this passes, the server might not accept the retry descriptor anymore (and the query may be cancelled). This may be updated on a call to PollFlightInfo.
OptionalflightThe descriptor the client should use on the next try. If unset, the query is complete.
OptionalinfoThe currently available results.
If "flight_descriptor" is not specified, the query is complete and "info" specifies all results. Otherwise, "info" contains partial query results.
Note that each PollInfo response contains a complete FlightInfo (not just the delta between the previous and current FlightInfo).
Subsequent PollInfo responses may only append new endpoints to info.
Clients can begin fetching results via DoGet(Ticket) with the ticket in the info before the query is completed. FlightInfo.ordered is also valid.
OptionalprogressQuery progress. If known, must be in [0.0, 1.0] but need not be monotonic or nondecreasing. If unknown, do not set.
The information to process a long-running query.
Generated
from protobuf message arrow.flight.protocol.PollInfo