Yes, I understand that part.
I wasn’t clear enough.  By trial and error, I meant - me trying to find
which field was bad.   I’m going to ask the guys that provide the source
file, to make sure data types for each field are consistent across records.





On 10/12/16, 12:53 PM, "Khurram Faraaz" <kfar...@maprtech.com> wrote:

>Since your JSON file has different types of data (line int, boolean,
>strings etc) we need to tell Drill to consider all data in that JSON file
>as text. This is by design, and this is not trial and error.
>Such occurrence of different types of data in a JSON file is called
>SchemaChange and to avoid that we set `store.json.all_text_mode` = true
>
>On Wed, Oct 12, 2016 at 9:31 PM, Dan Blondowski <
>dan.blondow...@dhigroupinc.com> wrote:
>
>> Hello.  You were correct.
>> I was able to set `store.json.all_text_mode` = true; and run the query.
>>
>> I also found the data that needed changing.  There were actually 3
>>fields.
>>
>> Is there a way for Drill to display which field is bad, so I don¹t have
>>to
>> do the trial & error?
>>
>>
>>
>>
>> On 10/12/16, 10:12 AM, "Abhishek Girish" <abhishek.gir...@gmail.com>
>> wrote:
>>
>> >Hey Dan,
>> >
>> >This usually happens when there is a schema change across records. It
>> >could
>> >be intentional (records do need different types for some fields) or bad
>> >formatting (1 vs "1").
>> >
>> >Can you try setting this session option and retry your query? Let us
>>know
>> >if it helps. You could attempt to use explicit casts in the query to
>>get
>> >types you want.
>> >
>> >          set `store.json.all_text_mode` = true;
>> >
>> >Regards,
>> >Abhishek
>> >
>> >On Wednesday, October 12, 2016, Dan Blondowski <
>> >dan.blondow...@dhigroupinc.com> wrote:
>> >
>> >> Hello.
>> >>
>> >> I have a json file with 2 records (see attached).
>> >>
>> >> When I run a query against it I get this error:
>> >>
>> >> *Error: DATA_READ ERROR: Error parsing JSON - You tried to write a
>> >>BigInt
>> >> type when you are using a ValueWriter of type
>> >>NullableVarCharWriterImpl.*
>> >>
>> >>
>> >> *File  /test.json*
>> >>
>> >> *Record  2*
>> >>
>> >> *Fragment 0:0*
>> >>
>> >>
>> >> *[Error Id: 8b5166cc-28b6-488c-893f-f0265d483e13 on
>> >>ip-10-3-48-183:31010]
>> >> (state=,code=0)*
>> >>
>> >> If I break it up into individual files, I can run the query against
>>both
>> >> records just fine. Any clues?
>> >>
>> >> Thanks!
>> >>
>> >> Daniel Blondowski
>> >>
>> >> Big Data Architecture/Engineering
>> >> DHI Group, Inc.
>> >>
>> >> dan.blondow...@dice.com
>> >> <javascript:_e(%7B%7D,'cvml','dan.blondow...@dice.com');>
>> >> 515-313-2137
>> >>
>> >>
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