> with
> >>>>>>>>>>>>> Gandiva. I can see that each language should be able to
> >>>>>>> construct
> >>>>>>>>> the
> >>>>>>>>>>>>> logical query plan to submit to Gandiva and let Gandiva handle
> >>>>>>>&
t;> language-specific
>>>>>>>>>>>>> lambda functions as part of that logical query plan. Maybe it is
>>>>>>>>> possible
>>>>>>>>>>>>> to compile the lambda down to LLVM (I haven't started lea
;>>>>> supports this with zero overhead).
> >>>>>>>>>>>
> >>>>>>>>>>> Andy.
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>&g
>>>>>>>>>>> Andy.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Sun, Dec 9, 2018 at 11:42 AM Wes McKinney <
>>>>> wesmck.
e things that Gandiva has begun is a
> >>>>>>>>>> Protobuf-based serialized representation representation of
> >>>>> projection
> >>>>>>>>>> and filter expressions. In the long run I would like to see a
> >&
execution. There's complexities, though, such as bridging
>>>>>>>>>> iteration of data sources written in Rust, say, with a query
>>> engine
>>>>>>>>>> written in C++. You would need to provide some kind of a
>>> call
ts are do-ocracies.
> > > > > > >>>
> > > > > > >>> - Wes
> > > > > > >>> On Fri, Dec 7, 2018 at 6:22 AM Andy Grove <
> > andygrov...@gmail.com>
> > > > wrote:
> > > > > > >&
t; > > > > >>> On Fri, Dec 7, 2018 at 6:22 AM Andy Grove <
> andygrov...@gmail.com>
> > > wrote:
> > > > > >>>>
> > > > > >>>> I've added one PR to the list (
> > > https://github.com/apache/arrow/pull/3119
> > > > > >>> )
>
> >>>> to update the project to use Rust 2018 Edition.
> > > > >>>>
> > > > >>>> I'm also considering removing one PR from the list and would like
> > to get
> > > > >>>> opinions here.
> > > > >>>>
> > > > >>>> I have a PR (https://github.com/apache/a
> > > >>> basic
> > > >>>> math and comparison operators to primitive arrays. These are baby
> steps
> > > >>>> towards implementing more query execution capabilities such as
> > > >>> projection,
> > > >>>> se
c but Chao made a good point that other Rust
> > >>>> implementations
> > >>>> don't have these kind of capabilities and I am now wondering if this
> > >>>> is a
> > >>>> distraction. We already have Gandiva and the new efforts
he new efforts in Ursa labs and
> >>>> it would probably make more sense to look at having Rust bindings for the
> >>>> query execution capabilities there rather than having a competing (and
> >>> less
> >>>> capable) implementation in Rust.
t would probably make more sense to look at having Rust bindings for the
>>>> query execution capabilities there rather than having a competing (and
>>> less
>>>> capable) implementation in Rust.
>>>>
>>>> Thoughts?
>>>>
>>>
> > Thoughts?
> > > >
> > > > Andy.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > On Thu, Dec 6, 2018 at 8:42 PM paddy horan
> > > wrote:
> > > >
> > > > > Ot
r than Andy’s PR below I’m going to try and find time to work on
> > > > ARROW-3827, I’ll bump it 0.13 if I can’t find the time early next week.
> > > > There is nothing else in the 0.12 backlog for Rust. It would be nice
> > to
> > > > get the parquet merg
:42 PM paddy horan
> > wrote:
> > >
> > > > Other than Andy’s PR below I’m going to try and find time to work on
> > > > ARROW-3827, I’ll bump it 0.13 if I can’t find the time early next week.
> > > > There is nothing else in the 0.12 backlog for Rust.
0.12 backlog for Rust. It would be nice
> to
> > > get the parquet merge in though.
> > >
> > >
> > >
> > > Paddy
> > >
> > >
> > >
> > >
> > > From: Andy Grove
> > >
hing else in the 0.12 backlog for Rust. It would be nice to
> > get the parquet merge in though.
> >
> >
> >
> > Paddy
> >
> >
> >
> > ________
> > From: Andy Grove
> > Sent: Thursday, December 6, 2018 10
ge in though.
>
>
>
> Paddy
>
>
>
>
> From: Andy Grove
> Sent: Thursday, December 6, 2018 10:20:48 AM
> To: dev@arrow.apache.org
> Subject: Re: Timeline for Arrow 0.12.0 release
>
> I have PRs pending for all the Rust issues that I want to
From: Andy Grove
Sent: Thursday, December 6, 2018 10:20:48 AM
To: dev@arrow.apache.org
Subject: Re: Timeline for Arrow 0.12.0 release
I have PRs pending for all the Rust issues that I want to get into 0.12.0
and would appreciate some reviews so I can go ahead and merge:
https://github.com/apache
I have PRs pending for all the Rust issues that I want to get into 0.12.0
and would appreciate some reviews so I can go ahead and merge:
https://github.com/apache/arrow/pull/3033 (covers ARROW-3880 and ARROW-3881
- add math and comparison operations to primitive arrays)
https://github.com/apache/a
meline for Arrow 0.12.0 release
I'd love to tackle the three related issues for supporting simple
math/comparison operations on primitive arrays and casting primitive arrays
but since the change to use Rust specialization feature I'm a bit stuck and
need some assistance applying the math o
I'd love to tackle the three related issues for supporting simple
math/comparison operations on primitive arrays and casting primitive arrays
but since the change to use Rust specialization feature I'm a bit stuck and
need some assistance applying the math operations to the numeric types and
not th
Andy, Paddy, or other Rust developers -- could you review the 6 issues
in TODO in the 0.12 backlog and either assign them or move them to the
next release if they aren't going to be completed this week or next?
On Fri, Nov 30, 2018 at 4:34 PM Wes McKinney wrote:
>
> hi folks,
>
> Tomorrow is Dec
hi folks,
Tomorrow is December 1. The last major Arrow release (0.11.0) took
place on October 8. Given how much work has happened in the project in
the last ~2 months, I think it would be great to complete the next
major release before the end-of-year holidays set in.
I've been curating the JIRA
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