Hi Jark, Introducing new `TableSymbol`s sounds like a good idea. +1 for the proposal. @ForwardXu what do you think? Would be great if the document can be updated accordingly.
Best, Hequn On Fri, Dec 27, 2019 at 4:14 PM Jark Wu <imj...@gmail.com> wrote: > Thanks for looking into the design Hequn. I agree it would be great to > have a full story design. > > For the ON ERROR and ON EMPTY clause in Table API, some initial > thoughts in my mind is that > we can introduce some new `TableSymbol`s as the second parameter of json > function, e.g. `JsonErrorStrategy`. > > For example, > > JSON_VALUE(v, 'lax $.b' ERROR ON ERROR) > == is equal to Table API ==> > v.jsonValue("lax $.b", JsonErrorStrategy.ERROR) > > Best, > Jark > > > On Thu, 26 Dec 2019 at 23:37, Hequn Cheng <chenghe...@gmail.com> wrote: > >> Hi Jark & ForwardXu, >> >> The design doc looks very nice! Only some minor feedback from my side. >> >> As calcite has already implemented the JSON functions, I would suppose >> the semantics and implementation are right for SQL. >> >> For TableAPI, I think the most important is to keep align with the >> SQL(which has also been mentioned by Jark in the previous discussion). Have >> an equivalent feature set for all APIs and maintain it otherwise confusion >> increases especially when more and more functions are added. The document >> has documented how to support TableAPI. I think this is very good! And it >> would be better to also include ON ERROR or ON EMPTY for Table API. We can >> implement these features step by step, but maybe we should design all these >> once for all to avoid API changes later. Meanwhile, these features are also >> commonly required by users. >> >> Would be great to also have your opinions! >> >> Best, >> Hequn >> >> >> On Mon, Dec 23, 2019 at 10:15 AM Jark Wu <imj...@gmail.com> wrote: >> >>> Hi Forward, >>> >>> Thanks for creating the FLIP. +1 to start a vote. >>> >>> @Hequn Cheng <chenghe...@gmail.com> @Kurt Young <ykt...@gmail.com> , >>> could you help to review the design doc too? >>> >>> Best, >>> Jark >>> >>> >>> On Mon, 23 Dec 2019 at 10:10, tison <wander4...@gmail.com> wrote: >>> >>>> modified: >>>> >>>> https://lists.apache.org/x/thread.html/b3c0265cc2b660fe11ce550b84a831a7606de12908ff7ff0959a4794@%3Cdev.flink.apache.org%3E >>>> >>>