The support for UNNEST was in the calcite branch and took advantage of the
compilation support there. We unfortunately don't have the same support in
the mainline branch. We'd welcome a contribution in this area, but it'd be
a fair amount of work.
Thanks,
James

On Tue, Jan 8, 2019 at 11:07 AM Thomas D'Silva <tdsi...@salesforce.com>
wrote:

> Looks like UNNEST array support was added in (
> https://issues.apache.org/jira/browse/PHOENIX-953).
> I'm not sure what remaining work PHOENIX-4311 requires. There is a
> test UnnestArrayIT that was disabled,
> perhaps as a first step you can try running the test and see the current
> state of things.
>
> On Tue, Jan 8, 2019 at 10:06 AM Josh Elser <els...@apache.org> wrote:
>
> > Hi,
> >
> > Looking at PHOENIX-4311, I think any contribution you choose to make
> > would be appreciated. I don't have a good understanding of the
> > difficulties you would have in trying to implement it.
> >
> > In general, if there is no assignee and there isn't discussion on the
> > Jira issue, you may feel free to request it be assigned to yourself to
> > work on.
> >
> > - Josh
> >
> > On 1/8/19 9:38 AM, tricolor wrote:
> > >   Hi,
> > >
> > > I am currently working on a project where the function UNNEST would be
> > > useful to rotate an array in order to perform an aggregation. According
> > to
> > > the Jira ticket 4311 there are pending tests to surface this feature.
> The
> > > ticket was untouched since October 2017. My questions are the
> following :
> > >
> > > 1. Is it a feature that will eventually be implemented?
> > >
> > > 2. Is there any blocker making its implementation impossible at the
> > moment?
> > >
> > > 3. If there is no blocker what are the missing components to implement
> > it?
> > >
> > > 4. Is anyone going to implement it eventually? If someone takes it what
> > > would be an expected time of delivery? If no one implements it, would
> my
> > > contribution be appreciated?
> > >
> > >
> > > Best regards,
> > >
> >
>

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