Most of those functions are not mentioned in SQL standard 2011. So It's a
good idea to decide if implementing a function by checking if other systems
provide it. Thanks for putting those together into the spreadsheet!



-Rui

On Sun, Jan 5, 2020 at 11:03 PM Chunwei Lei <[email protected]> wrote:

> Thanks for proposing this, Forward.
>
> IMHO, we can implement functions that are supported by major vendors.
> As for others, we can implement it when there is a need.
>
> Best,
> Chunwei
>
>
> On Mon, Jan 6, 2020 at 10:38 AM Forward Xu <[email protected]> wrote:
>
> > Hi everybody,
> >
> >
> >
> > I'd like to kick off a discussion on Enhanced MATH functions in calcite.
> >
> >
> >
> > I recently checked java's math function and found that some functions in
> > calcite are not supported. So I made some comparisons with some commonly
> > used databases to discuss whether these functions need to be supported.
> The
> > comparison details are in [2]. And built an umbrella jira for this [1].
> >
> >
> >
> > Would love to hear your thoughts.
> >
> >
> >
> > Best,
> >
> > Forward
> >
> >
> > [1] https://issues.apache.org/jira/browse/CALCITE-3683
> >
> > [2]
> >
> >
> https://docs.google.com/spreadsheets/d/1Q6Mj1ub-etyE0dbwvsaLquy6bz_fKuFX0vU3mGn8QKA/edit?usp=sharing
> >
>

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