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From Maximilian Michels <...@apache.org>
Subject Re: Reading null value from datasets
Date Mon, 26 Oct 2015 09:27:22 GMT
As far as I know the null support was removed from the Table API because
its support was consistently supported with all operations. See
https://issues.apache.org/jira/browse/FLINK-2236


On Fri, Oct 23, 2015 at 7:20 PM, Shiti Saxena <ssaxena.ece@gmail.com> wrote:

> For a similar problem where we wanted to preserve and track null entries,
> we load the CSV as a DataSet[Array[Object]] and then transform it into
> DataSet[Row] using a custom RowSerializer(
> https://gist.github.com/Shiti/d0572c089cc08654019c) which handles null.
>
> The Table API(which supports null) can then be used on the resulting
> DataSet[Row].
>
> On Fri, Oct 23, 2015 at 7:40 PM, Maximilian Michels <mxm@apache.org>
> wrote:
>
>> Hi Guido,
>>
>> This depends on your use case but you may read those values as type
>> String and treat them accordingly.
>>
>> Cheers,
>> Max
>>
>> On Fri, Oct 23, 2015 at 1:59 PM, Guido <gmazza104@gmail.com> wrote:
>>
>>> Hello,
>>> I would like to ask if there were any particular ways to read or treat
>>> null (e.g. Name, Lastname,, Age..) value in a dataset using readCsvFile,
>>> without being forced to ignore them.
>>>
>>> Thanks for your time.
>>> Guido
>>>
>>>
>>
>

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