I opened a JIRA to track a potential change or at least clarification
about this use case. One major use case for the C interface will be in
database clients (e.g. this question arose out of using the C
interface for Kudu -- a database) and this may be a common question.
https://issues.apache.org/
Le 07/04/2020 à 19:39, Wes McKinney a écrit :
>
> Re-orienting the discussion on something more concrete, suppose that an
> ArrowArray is used to convey a result set from a database query, and
> suppose that the resources associated with each column in the result set
> are independent of the oth
On Tue, Apr 7, 2020, 12:04 PM Antoine Pitrou wrote:
>
> Le 07/04/2020 à 18:49, Todd Lipcon a écrit :
> >>
> >> Hmm, the spec may not be clear enough on this, but if you move a child
> >> and release the parent, then the other children are not usable anymore.
> >>
> >> In your case, you don't call
Le 07/04/2020 à 18:49, Todd Lipcon a écrit :
>>
>> Hmm, the spec may not be clear enough on this, but if you move a child
>> and release the parent, then the other children are not usable anymore.
>>
>> In your case, you don't call release() on every child. You just call
>> release() on the pare
On Tue, Apr 7, 2020 at 2:40 AM Antoine Pitrou wrote:
>
> Le 06/04/2020 à 19:22, Todd Lipcon a écrit :
> >
> > The spec should also probably cover thread-safety: if the consumer gets
> an
> > ArrowArray, is it safe to pass off the children to multiple threads and
> > have them call release() concu
Le 06/04/2020 à 19:22, Todd Lipcon a écrit :
>
> The spec should also probably cover thread-safety: if the consumer gets an
> ArrowArray, is it safe to pass off the children to multiple threads and
> have them call release() concurrently? In other words, do I need to use a
> thread-safe referenc
On Mon, Apr 6, 2020 at 12:22 PM Todd Lipcon wrote:
>
> On Mon, Apr 6, 2020 at 9:57 AM Antoine Pitrou wrote:
>
> >
> > Hello Todd,
> >
> > Le 06/04/2020 à 18:18, Todd Lipcon a écrit :
> > >
> > > I had a couple questions / items that should be clarified in the spec.
> > Wes
> > > suggested I raise
On Mon, Apr 6, 2020 at 9:57 AM Antoine Pitrou wrote:
>
> Hello Todd,
>
> Le 06/04/2020 à 18:18, Todd Lipcon a écrit :
> >
> > I had a couple questions / items that should be clarified in the spec.
> Wes
> > suggested I raise them here on dev@:
> >
> > *1) Should producers expect callers to zero-i
Hello Todd,
Le 06/04/2020 à 18:18, Todd Lipcon a écrit :
>
> I had a couple questions / items that should be clarified in the spec. Wes
> suggested I raise them here on dev@:
>
> *1) Should producers expect callers to zero-init structs?*
IMO, they shouldn't. They should fill the structure ex
