[datatable-help] Secondary keys

[Eduard Antonyan]

I understand the problem you want solved (fast search by e.g. second key
element), but I don't understand what secondary keys would mean/be...?
On Oct 8, 2013 10:48 PM, "Chinmay Patil" <chinmay.patil at gmail.com> wrote:

> Eduard,
>
> Details of the issue raised are in this question.
>
> http://stackoverflow.com/questions/15769837/
>
>
> On Tue, Oct 8, 2013 at 10:47 PM, Eduard Antonyan <
> eduard.antonyan at gmail.com> wrote:
>
>> I don't think I understand what secondary keys are (supposed to be), can
>> someone who knows please elaborate?
>>
>>
>> On Sun, Oct 6, 2013 at 12:17 AM, Chinmay Patil <chinmay.patil at gmail.com>wrote:
>>
>>> Hi devs,
>>>
>>> I was wondering if there are any plans to implement this feature.
>>>
>>>
>>> https://r-forge.r-project.org/tracker/index.php?func=detail&aid=1007&group_id=240&atid=978
>>>
>>> Alternatively, is there a way to refer to key of the data.table object
>>> in "J" function used for subsetting?
>>>
>>> _______________________________________________
>>> datatable-help mailing list
>>> datatable-help at lists.r-forge.r-project.org
>>>
>>> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
>>>
>>
>>
>
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