http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/Scala-Table-API-with-Java-POJO-tp8219p8225.html
> Hi Timo.
> I’m using scala API.
> There is no error with java API.
> my code snippet is this.
>
> dataSet.toTable
> .groupBy(“id")
> .select(‘id, ‘amount.sum as ‘amount)
> .where(‘amount > 0)
> .toDataSet[TestPojo]
> .print()
>
> Thanks.
>
>> On Aug 1, 2016, at 5:50 PM, Timo Walther <
[hidden email]> wrote:
>>
>> Hi Kim,
>>
>> as the exception says: POJOs have no deterministic field order. You have to specify the order during the DataSet to Table conversion:
>>
>> Table table = tableEnv.fromDataSet(pojoDataSet, "pojoField as a, pojoField2 as b");
>>
>> I hope that helps. Otherwise it would help if you could supply a code snippet of your program.
>>
>> Timo
>>
>> Am 01/08/16 um 10:19 schrieb Dong-iL, Kim:
>>> my flink ver is 1.0.3.
>>> thanks.
>>>
>>>> On Aug 1, 2016, at 5:18 PM, Dong-iL, Kim <
[hidden email]> wrote:
>>>>
>>>> I’ve create a program using table API and get an exception like this.
>>>> org.apache.flink.api.table.ExpressionException: You cannot rename fields upon Table creation: Field order of input type PojoType<….> is not deterministic.
>>>> There is an error not in java program, but in scala program.
>>>> how can I use java POJO with scala Table API.
>>>>
>>
>> --
>> Freundliche Grüße / Kind Regards
>>
>> Timo Walther
>>
>> Follow me: @twalthr
>>
https://www.linkedin.com/in/twalthr>>