[datatable-help] A special character in a string borks data.table

[Matthew Dowle]

Ok, phew. Then it's the same issue I asked on stack overflow, and Simon 
Ubanek helped me out today. Will fix. It's the new code for fast character
sorting.

> It is the source straight from SVN.  I've also found it randomly
> segfaulting on me today, and have not been able to reproduce how.  But
> an hour back on the CRAN version and I haven't hit a segfault.
>
> On 15 November 2011 15:23, Matthew Dowle <mdowle at mdowle.plus.com> wrote:
>> Is that with 1.7.3 on R-Forge? If so I think I know.
>>
>>> I have a data.frame DF with a factor column "foo", it has X unique
>>> levels. When I do
>>> DT=data.table(DF)
>>> key(DT) = "foo"
>>>
>>> DT then has X-1 unique levels, and one repeated level. I then
>>> continually get messages saying that repeated levels are no longer
>>> allowed.
>>>
>>> The level that goes missing looks like:
>>>
>>> "blahblah�0123456789"
>>>
>>>
>>> There is a special character that I don't know what it is in there I
>>> hope it shows through in the email.
>>> After setting key(DT) , there is a completely different level that is
>>> duplicated, and the level above goes missing.
>>>
>>>
>>> I'm not quite sure how to replicate this with data I can show. It
>>> seems a weird bug. Â Any thoughts?
>>> _______________________________________________
>>> 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
>>
>>
>>
>