Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HBase, mail # user - Hbase 0.92 Example


Copy link to this message
-
Re: Hbase 0.92 Example
Dalia Sobhy 2012-10-15, 09:11
Hello anil,
What do u mean by promoted data type?

Sent from my iPhone

On 2012-10-15, at 12:03 AM, "anil gupta" <[EMAIL PROTECTED]> wrote:

> R- Cell value data type
> S- Promoted data type
>
>
> On Sun, Oct 14, 2012 at 3:39 PM, Dalia Sobhy <[EMAIL PROTECTED]>wrote:
>
>> Hi anil,
>>
>> Whats <R,S> ?
>> Sent from my iPhone
>>
>> On 2012-10-14, at 10:24 PM, "anil gupta" <[EMAIL PROTECTED]> wrote:
>>
>>> Hi Dalia,
>>>
>>> On the client-side you dont need to use that method directly. Instead,
>> use
>>> the following method :
>>> org.apache.hadoop.hbase.client.coprocessor.AggregationClient.sum(byte[]
>>> tableName,
>>> ColumnInterpreter<
>> http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/coprocessor/ColumnInterpreter.html
>>> <R,S>
>>> ci,
>>> Scan<
>> http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/client/Scan.html>
>>> scan)
>>>
>>> Here is the documention for that class:
>> http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/client/coprocessor/AggregationClient.html
>>>
>>> Have a look at the JUnit for this co-processor for better understanding.
>>>
>>> HTH,
>>> Anil
>>>
>>> On Sun, Oct 14, 2012 at 3:10 PM, Dalia Sobhy <[EMAIL PROTECTED]
>>> wrote:
>>>
>>>> Method in AggregateImplementation class.
>>>>
>>>>
>>>>
>>>> On 2012-10-14, at 10:05 PM, "anil gupta" <[EMAIL PROTECTED]> wrote:
>>>>
>>>>> Hi Dalia,
>>>>>
>>>>> Which getSum() method are you talking about? Please be specific.
>>>>>
>>>>> Thanks,
>>>>> Anil Gupta
>>>>>
>>>>> On Sun, Oct 14, 2012 at 2:44 PM, Dalia Sobhy <
>> [EMAIL PROTECTED]
>>>>> wrote:
>>>>>
>>>>>> Could anyone provide me with an example on hbase 0.92 on getSum()
>>>>>> function, bec i am unable to implement it.
>>>>>>
>>>>>> Thanks
>>>>>
>>>>>
>>>>> --
>>>>> Thanks & Regards,
>>>>> Anil Gupta
>>>
>>>
>>>
>>> --
>>> Thanks & Regards,
>>> Anil Gupta
>
>
>
> --
> Thanks & Regards,
> Anil Gupta