+1 Thanks Kou!
On Tue, Jun 27, 2023, at 21:31, Sutou Kouhei wrote: > +1 > > In <20230628.103017.2111667987485891680....@clear-code.com> > "[VOTE][Format][Flight] Result set expiration support" on Wed, 28 Jun > 2023 10:30:17 +0900 (JST), > Sutou Kouhei <k...@clear-code.com> wrote: > >> Hi, >> >> I would like to propose result set expiration support for >> Flight RPC. >> >> See the following pull request and discussion for details: >> >> * GH-35500: [C++][Go][Java][FlightRPC] Add support for result set expiration >> https://github.com/apache/arrow/pull/36009 >> >> * [DISCUSS][Format][Flight] Result set expiration support >> https://lists.apache.org/thread/48fqd554gkqrrld8k13l3b8trz5gk7ow >> >> This is based on one of the following proposals: >> >> [DISCUSS] Flight RPC/Flight SQL/ADBC enhancements >> https://lists.apache.org/thread/247z3t06mf132nocngc1jkp3oqglz7jp >> >> Google Docs: (Arrow ML) Arrow Flight RPC/Flight SQL Proposals >> >> https://docs.google.com/document/d/1jhPyPZSOo2iy0LqIJVUs9KWPyFULVFJXTILDfkadx2g/edit#heading=h.h2ein4otvhtq >> >> Summary: >> >> * Background: Currently, it is undefined whether a client >> can call DoGet more than once. Clients may want to retry >> requests, and servers may not want to persist a query >> result forever. >> >> * Proposal: Add an expiration time to FlightEndpoint. If >> present, clients may assume they can retry DoGet >> requests. Otherwise, clients should avoid retrying DoGet >> requests. >> >> NOTE: This proposal is "not" a full retry protocol. >> >> * Changes: >> * Add FlightEndpoint.expiration_time field >> >> * Add the following pre-defined actions: >> * CancelFlightInfo: Asynchronously cancel the execution >> of a distributed query. (Replaces the equivalent >> Flight SQL action.) >> * RenewFlightEndpoint: Request an extension of the >> expiration of a FlightEndpoint. >> >> * This proposal does NOT break a backward >> compatibility: >> >> * Flight RPC: Because clients can ignore >> FlightEndpoint.expiration_time. >> >> * Flight SQL: Because we deprecate existing CancelQuery >> action but it still available. >> >> * The pull request includes reference implementations for >> C++, Go and Java. >> >> >> The vote will be open for at least 72 hours. >> >> [ ] +1 Accept this proposal >> [ ] +0 >> [ ] -1 Do not accept this proposal because... >> >> >> Thanks, >> -- >> kou