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From William Slacum <wilhelm.von.cl...@accumulo.net>
Subject Re: Embedded Mutations: Is this kind of thing done?
Date Fri, 25 Apr 2014 03:23:34 GMT
Depending on your table schema, you'll probably want to translate an object
graph into multiple mutations.


On Thu, Apr 24, 2014 at 8:40 PM, David Medinets <david.medinets@gmail.com>wrote:

> If the sub-document changes, you'll need to search the values of every
> Accumulo entry?
>
>
> On Thu, Apr 24, 2014 at 5:31 PM, Geoffry Roberts <threadedblue@gmail.com>wrote:
>
>> The use case is, I am walking a complex object graph and persisting what
>> I find there.  Said object graph in my case is always EMF (eclipse modeling
>> framework) compliant.  An EMF graph can have in if references to--brace
>> yourself--a non-cross document containment reference.  When using Mongo,
>> these were persisted as a DBObject embedded into a containing DBObject.
>>  I'm trying to decide whether I want to follow suit.
>>
>> Any thoughts?
>>
>>
>> On Thu, Apr 24, 2014 at 4:03 PM, Sean Busbey <busbey@cloudera.com> wrote:
>>
>>> Can you describe the use case more? Do you know what the purpose for the
>>> embedded changes are?
>>>
>>>
>>> On Thu, Apr 24, 2014 at 2:59 PM, Geoffry Roberts <threadedblue@gmail.com
>>> > wrote:
>>>
>>>> All,
>>>>
>>>> I am in the throws of converting some(else's) code from MongoDB to
>>>> Accumulo.  I am seeing a situation where one DBObject if being embedded
>>>> into another DBObject.  I see that Mutation supports a method called
>>>> getRow()  that returns a byte array.  I gather I can use this to achieve
a
>>>> similar result if I were so inclined.
>>>>
>>>> Am I so inclined?  i.e. Is this the way we do things in Accumulo?
>>>>
>>>> DBObject, roughly speaking, is Mongo's counterpart to Mutation.
>>>>
>>>> Thanks mucho
>>>>
>>>> --
>>>> There are ways and there are ways,
>>>>
>>>> Geoffry Roberts
>>>>
>>>
>>>
>>>
>>> --
>>> Sean
>>>
>>
>>
>>
>> --
>> There are ways and there are ways,
>>
>> Geoffry Roberts
>>
>
>

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