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 other columns. Should it not be possible to select a
> subset of the columns and release the resources of the columns that are not
> needed?
Perhaps. Though you should probably write the query so as to only
select those columns in the first place ("SELECT *" is a well-known
anti-pattern).
That said, if there's a real need, I'm open to relaxing the
specification a bit, such that you may move one or several children
before immediately releasing the parent...
Regards
Antoine.
