sqoop-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Suraj Nayak <snay...@gmail.com>
Subject Re: Binary data transfer using Sqoop
Date Thu, 16 Jul 2015 03:56:31 GMT
Is it by setting --map-column-java email=com.cloudera.sqoop.lib.BlobRef?

On Wed, Jul 15, 2015 at 8:11 PM, Suraj Nayak <snayakm@gmail.com> wrote:

> Hi Abe,
>
> I think the 1st option suits my use case best. But, what is the method/way
> to tell Sqoop to use Large Object Loading?
>
> Thanks!
>
> On Wed, Jul 15, 2015 at 7:50 PM, Abraham Elmahrek <abe@cloudera.com>
> wrote:
>
>> Hey man,
>>
>> I think Sqoop does this intentionally:
>> https://github.com/apache/sqoop/blob/trunk/src/java/org/apache/sqoop/mapreduce/RawKeyTextOutputFormat.java#L65
>> .
>>
>> I see two things that may get you beyond this point:
>>
>>    1. You can try type casting to a BLOB and tell Sqoop to use Large
>>    Object Loading.
>>    2. Try the --as-avrodatafile option and write as Avro.
>>
>> -Abe
>>
>> On Wed, Jul 15, 2015 at 7:23 PM, Suraj Nayak <snayakm@gmail.com> wrote:
>>
>>> Hi Abe,
>>>
>>> Thanks for highlighting missing required info quickly. Below are the
>>> details:
>>>
>>>    - *Version:* Sqoop 1.4.5
>>>    - *Sqoop Command: *sqoop import --connect
>>>    jdbc:teradata://aa.bb.cc.internal/DATABASE=someDB --username sqoop_usr
>>>    --password sqoop_usr --table ENCRYPTED_TBL --fields-terminated-by \\001 -m
>>>    1 --target-dir /tmp/ENC_TBL --connection-manager
>>>    "org.apache.sqoop.manager.GenericJdbcManager" --driver
>>>    com.teradata.jdbc.TeraDriver
>>>    - *Table structure:* id:varchar, count:int, first_name:binary,
>>>    email:binary, column5:varchar.
>>>
>>> Binary is used as the data is encrypted.
>>>
>>> Thanks!
>>>
>>>
>>>
>>> On Wed, Jul 15, 2015 at 6:44 PM, Abraham Elmahrek <abe@cloudera.com>
>>> wrote:
>>>
>>>> Hey man,
>>>>
>>>> Need some details to help:
>>>>
>>>>    - What version of Sqoop?
>>>>    - Sqoop command?
>>>>    - Database table structure (preferably a describe on the database)
>>>>
>>>> -Abe
>>>>
>>>> On Wed, Jul 15, 2015 at 6:42 PM, Suraj Nayak <snayakm@gmail.com> wrote:
>>>>
>>>> > Hi Sqoop Users and Developers,
>>>> >
>>>> > How can i import a Binary data column in a table into HDFS without
>>>> > converting it into String.
>>>> >
>>>> > I have encrypted data in RDBMS, I need to import this column as is
>>>> without
>>>> > converting it into string. As of now, Sqoop is typecasting the data
>>>> into
>>>> > String/text and decryption is failing in Hadoop.
>>>> >
>>>> > Can someone provide pointers to solve this? Any workaround?
>>>> >
>>>> > --
>>>> > Thanks
>>>> > Suraj Nayak M
>>>> >
>>>>
>>>
>>>
>>>
>>> --
>>> Thanks
>>> Suraj Nayak M
>>>
>>
>>
>
>
> --
> Thanks
> Suraj Nayak M
>



-- 
Thanks
Suraj Nayak M

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message