Thanks for the clarification. This improvement would be helpful, I believe.
Cheers, Till On Tue, Oct 27, 2020 at 1:19 PM Jark Wu <imj...@gmail.com> wrote: > Hi Till, > > The documentation mentions that "this function is not deterministic" where > the "not deterministic" means the value of this function is not > deterministic for every record. > However, this is not very clear for users. I think we can improve the > documentation. > > Best, > Jark > > On Tue, 27 Oct 2020 at 15:59, Till Rohrmann <trohrm...@apache.org> wrote: > >> Quick question Jark: Is this difference in behaviour documented? I >> couldn't find it in the docs. >> >> Cheers, >> Till >> >> On Tue, Oct 27, 2020 at 7:30 AM Jark Wu <imj...@gmail.com> wrote: >> >>> Hi Longdexin, >>> >>> In traditional batch sql, NOW() is executed and determined before the >>> job is submitted and will not change for every processed record. >>> However, this doesn't make much sense in streaming sql, therefore, NOW() >>> function in Flink is executed for every record. >>> >>> Best, >>> Jark >>> >>> On Fri, 23 Oct 2020 at 16:30, Till Rohrmann <trohrm...@apache.org> >>> wrote: >>> >>>> Hi Longdexin, >>>> >>>> thanks for reaching out to the Flink community. I am pulling in Jark >>>> who might be able to help you with this question. >>>> >>>> Cheers, >>>> Till >>>> >>>> On Thu, Oct 22, 2020 at 2:56 PM Longdexin <274522...@qq.com> wrote: >>>> >>>>> From my point of view, the value of NOW() function in SQL is certain >>>>> by the >>>>> time when the streaming app is launched and will not change with the >>>>> process >>>>> time. However, as a new Flink user, I'm not so sure of that. By the >>>>> way, if >>>>> my attemp is to keep the time logic to update all the time, what >>>>> should I >>>>> do? >>>>> >>>>> >>>>> >>>>> -- >>>>> Sent from: >>>>> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/ >>>>> >>>>
