The failing select query:

select * from dfs.* where occurred_at < '2015-09-18' order by occurred_at;

-ste

On Fri, Sep 18, 2015 at 4:02 PM, Stefán Baxter <[email protected]>
wrote:

> Hi,
>
> Both statements select everything but the CTAS statement included a date
> filter + date order.
>
> The date field is always the same (extended json format date ISO) and is
> always present so I can say, with 100% certainty, that there is no schema
> change involved.
>
> The select statement fails as well when I add the condition + ordering.
>
> Regards,
>  -Stefan
>
> On Fri, Sep 18, 2015 at 3:37 PM, Abdel Hakim Deneche <
> [email protected]> wrote:
>
>> This kind of errors usually happens when there is an unsupported schema
>> change in the json files, but you should be able to reproduce the error
>> with just a select statement. Can you share both queries you tried (the
>> failing CTAS and the successful SELECT *) ?
>>
>> Thanks
>>
>> On Fri, Sep 18, 2015 at 5:38 AM, Stefán Baxter <[email protected]
>> >
>> wrote:
>>
>> > Hi,
>> >
>> > I have some json files that I want to transform to parquet.
>> >
>> > We have been doing this without any issues but this time around I get
>> this
>> > exception:
>> >
>> > Error: SYSTEM ERROR: IllegalStateException: Failure while reading
>> vector.
>> > Expected vector class of
>> org.apache.drill.exec.vector.NullableVarCharVector
>> > but was holding vector class
>> > org.apache.drill.exec.vector.complex.MapVector.
>> >
>> > Fragment 2:0
>> >
>> > [Error Id: 86501e92-5319-4540-9cf3-9a1aede4554b on localhost:31010]
>> > (state=,code=0)
>> >
>> > Adding verbosity adds no additional information regarding the
>> > source/row/column that triggers this reaction.
>> >
>> > I have successfully executed "select * from <same-directory>" and that
>> has
>> > run perfectly. For me this means that the issue is CTAS related.
>> >
>> > I'm running a fresh build from master to execute this.
>> >
>> > Any ideas/pointers?
>> >
>> > Regards,
>> >   -Stefán
>> >
>>
>>
>>
>> --
>>
>> Abdelhakim Deneche
>>
>> Software Engineer
>>
>>   <http://www.mapr.com/>
>>
>>
>> Now Available - Free Hadoop On-Demand Training
>> <
>> http://www.mapr.com/training?utm_source=Email&utm_medium=Signature&utm_campaign=Free%20available
>> >
>>
>
>

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