I would be fine with option 3) but I think option 2) is the more implicit solution that has less surprising behaviour.
Aljoscha > On 22. Jul 2019, at 23:59, Xuefu Zhang <xu...@apache.org> wrote: > > Thanks to Dawid for initiating the discussion. Overall, I agree with Timo > that for 1.9 we should have some quick and simple solution, leaving time > for more thorough discussions for 1.10. > > In particular, I'm not fully with solution #1. For one thing, it seems > proposing storing all temporary objects in a memory map in CatalogManager, > and the memory map duplicates the functionality of the in-memory catalog, > which also store temporary objects. For another, as pointed out by the > google doc, different db may handle the temporary tables differently, and > accordingly it may make more sense to let each catalog to handle its > temporary objects. > > Therefore, postponing the fix buys us time to flush out all the details. > > Thanks, > Xuefu > > On Mon, Jul 22, 2019 at 7:19 AM Timo Walther <twal...@apache.org> wrote: > >> Thanks for summarizing our offline discussion Dawid! Even though I would >> prefer solution 1 instead of releasing half-baked features, I also >> understand that the Table API should not further block the next release. >> Therefore, I would be fine with solution 3 but introduce the new >> user-facing `createTemporaryTable` methods as synonyms of the existing >> ones already. This allows us to deprecate the methods with undefined >> behavior as early as possible. >> >> Thanks, >> Timo >> >> >> Am 22.07.19 um 16:13 schrieb Dawid Wysakowicz: >>> Hi all, >>> >>> When working on FLINK-13279[1] we realized we could benefit from a >>> better temporary objects support in the Catalog API/Table API. >>> Unfortunately we are already long past the feature freeze that's why I >>> wanted to get some opinions from the community how should we proceed >>> with this topic. I tried to prepare a summary of the current state and 3 >>> different suggested approaches that we could take. Please see the >>> attached document[2] >>> >>> I will appreciate your thoughts! >>> >>> >>> [1] https://issues.apache.org/jira/browse/FLINK-13279 >>> >>> [2] >>> >> https://docs.google.com/document/d/1RxLj4tDB9GXVjF5qrkM38SKUPkvJt_BSefGYTQ-cVX4/edit?usp=sharing >>> >>> >> >>
