Maybe you can create the JIRA issue for it :-) That would help me a little,
then I'll get the patch through and we'll see if we can make a bugfix
release soon.


2014-08-13 6:55 GMT+02:00 Vinu Agnihotri <[email protected]>:

> Hi Kasper,
>
> Thank you for the email, yes this is exactly what I was trying to do.
> I am using the Excel file as an input from a third party and thus at times
> the value in the column is Blank.
> I had tried to explain the same in the example which was given by me.
>
> What I meant to ask is even if the value is empty blank cant we assume it
> to be 0 or null and skip it in the aggregation?
> Or any other utility by which we can have a null check?
>
> Thanks for raising review request.
> Let me know if there is anything else by which I can help you.
>
> Many thanks
>
> Vinayak
>
>
> On Wed, Aug 13, 2014 at 2:26 AM, Kasper Sørensen <
> [email protected]> wrote:
>
>> Hi Vinu,
>>
>> Although I am hoping you will still get back to us with more info - I was
>> trying to think a bit about this on my own too. And I think the case you're
>> running into isn't that you have a NULL value, but that you have a
>> blank/empty string! In that case I just confirmed that an exception will be
>> thrown. I think it's fair for us to add it as a feature that empty strings
>> are treated like nulls here.
>>
>> Best regards,
>> Kasper
>>
>>
>> 2014-08-11 12:14 GMT+02:00 Kasper Sørensen <
>> [email protected]>:
>>
>> Hi Vinu,
>>>
>>> OK. I suggest that you help us reproduce this some more then... Maybe
>>> you can take a look at the commit I did to (in)validate the issue. Maybe
>>> you can tell me/us what is missing from those unittests to reproduce. Maybe
>>> your file does not contain a null but something else?
>>>
>>> Kasper
>>>
>>>
>>> 2014-08-11 11:04 GMT+02:00 Vinu Agnihotri <[email protected]>:
>>>
>>> Hi Kasper
>>>>
>>>> Many Thanks,
>>>>
>>>> This was just a detailed email explanation to help you understand if I
>>>> have not explained clearly.
>>>>
>>>> I have asked the team to subscribe me, mean while can you please if
>>>> possible just reply and let me know what have you replied
>>>>
>>>> Thanks
>>>> Vinu
>>>>
>>>>
>>>> On Mon, Aug 11, 2014 at 3:01 PM, Kasper Sørensen <
>>>> [email protected]> wrote:
>>>>
>>>>> Hi Vinu,
>>>>>
>>>>> We did see your first message on this topic, and also replied to it.
>>>>> But I think you're still not subscribed to the mailing list to get the
>>>>> responses ... Send a mail to
>>>>> [email protected] to get subscribed.
>>>>>
>>>>> Best regards,
>>>>> Kasper
>>>>>
>>>>>
>>>>> 2014-08-11 5:32 GMT+02:00 Vinu Agnihotri <[email protected]>:
>>>>>
>>>>> Hi Kasper,
>>>>>>
>>>>>> I am from Singapore and have recently started using the META Model.
>>>>>>
>>>>>> My Database is a CSV file.
>>>>>>
>>>>>> I am using the aggregate SUM function in a simple Aggregate Function
>>>>>> using
>>>>>> a  group by query.
>>>>>>
>>>>>> Select...... (FUNCTION.SUM, (Column_Name)
>>>>>>
>>>>>> In this case there is a time where the values in the row is blank or
>>>>>> null
>>>>>> for the  column for which I am doing the SUM Aggregation
>>>>>>
>>>>>> When this is the case I am getting an error "Could not convert to
>>>>>> number: "
>>>>>>  "
>>>>>>
>>>>>> What I intend to do is either make the value 0 when it is Null or not
>>>>>> include these null values while doing the aggregation.
>>>>>>
>>>>>> NO    Name   Amount
>>>>>> 1      Origin       50
>>>>>> 2      House
>>>>>> 3      Origin      30
>>>>>> 4      House     40
>>>>>>
>>>>>> In the above example when I do a SUM on Amount group by Name, I
>>>>>> expect to
>>>>>> have two rows as a output with origin as 80 and  House as 40 as their
>>>>>> Amounts , but since for no 2 the amount is null, My code does not
>>>>>> complies
>>>>>> and I get the error.
>>>>>>
>>>>>>
>>>>>> My apologies for asking such an easy question
>>>>>>
>>>>>> Thanks
>>>>>> Vinayak
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>

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