+1 (binding)

On Wed, Dec 25, 2024, at 07:21, L. C. Hsieh wrote:
> +1 (binding)
>
> It looks like a useful feature for query systems, especially for the
> ones that integrate native, JVM (e.g., Comet) and require statistics
> passed across runtimes.
>
> Thank you.
>
> On Tue, Dec 24, 2024 at 5:52 AM Andrew Lamb <al...@influxdata.com> wrote:
>>
>> +1 (binding)
>>
>> I think the proposal is well reasoned, incorporates feedback so far, and
>> will be generally useful (even within the Rust Arrow/DataFusion ecosystem)
>>
>> Thank you Kou for driving this initiative.
>>
>> Andrew
>>
>> On Mon, Dec 23, 2024 at 4:28 PM Edmondo Porcu <edmondo.po...@gmail.com>
>> wrote:
>>
>> > +1 (non-binding)
>> >
>> > On Mon, Dec 23, 2024 at 10:15 AM Felipe Oliveira Carvalho <
>> > felipe...@gmail.com> wrote:
>> >
>> > > +1
>> > >
>> > > On Mon, Dec 23, 2024 at 2:37 AM Sutou Kouhei <k...@clear-code.com> wrote:
>> > >
>> > > > Hi,
>> > > >
>> > > > I would like to propose standardizing how to represent
>> > > > statistics as Apache Arrow array.
>> > > >
>> > > > Motivation:
>> > > >
>> > > > * We want to pass not only Apache Arrow data but also
>> > > >   statistics of them through the C data interface for query
>> > > >   planning.
>> > > >
>> > > > Approach:
>> > > >
>> > > > * Define a standardized schema for statistics.
>> > > > * Represent statistics as an Apache Arrow array that uses
>> > > >   the schema.
>> > > > * Pass the statistics Apache Arrow array through the C data
>> > > >   interface like a normal Apache Arrow array.
>> > > >
>> > > > Note that we don't define a new interface for statistics. We
>> > > > just use the existing C data interface. A statistics Apache
>> > > > Arrow array is passed through a separated API call.
>> > > >
>> > > > Note that this proposal doesn't define anything about how or
>> > > > where to use it. The above example just shows one use-case.
>> > > >
>> > > > This is based on the previous rejected vote discussion:
>> > > > https://lists.apache.org/thread/rsw3wsyj68dksc98s5rpdp6dn8hfk0yd
>> > > >
>> > > > See also:
>> > > >
>> > > > * The discussion of this:
>> > > >   https://lists.apache.org/thread/b6chzlyn95rztoybs39b6olz907g12gj
>> > > > * The PR of this proposal:
>> > > >   https://github.com/apache/arrow/pull/45058
>> > > > * The preview URL of the PR:
>> > > >
>> > > >
>> > >
>> > http://crossbow.voltrondata.com/pr_docs/45058/format/StatisticsSchema.html
>> > > >
>> > > >
>> > > > The vote will be open for at least 72 hours.
>> > > >
>> > > > [ ] +1 Accept this proposal
>> > > > [ ] +0
>> > > > [ ] -1 Do not accept this proposal because...
>> > > >
>> > > >
>> > > > Thanks,
>> > > > --
>> > > > kou
>> > > >
>> > >
>> >

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