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Re: The wisdom of the object mentors (Was: Searching OO Associations with RDBMS Persistence Models)

From: Robert Martin <unclebob_at_objectmentor.com>
Date: Wed, 28 Jun 2006 08:48:43 -0700
Message-ID: <2006062808484378840-unclebob@objectmentorcom>


On 2006-06-20 11:36:46 -0700, "Marshall" <marshall.spight_at_gmail.com> said:

> Robert Martin wrote:

>> On 2006-06-13 13:22:40 -0400, "Marshall" <marshall.spight_at_gmail.com> said:
>>
>>> Can you state what the benefit of lazy loading is?

>>
>> Yes. There are two that I can think of on the spur of the moment.
>>
>> 1. We don't pay for what we don't use. i.e. if some very late decision
>> means that we don't need the data, we don't have to fetch it.
> 
> This is also an attribute of simple querying. Don't need the data?
> Don't query it. Lazy loading doesn't help this at all. This is a
> non-problem.

You asked me for the benefits of lazy loading. You did not ask me to compare lazy loading with queries. Indeed, I cannot do the latter since the two are orthogonal. I can implement lazy loading with queries.

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Received on Wed Jun 28 2006 - 10:48:43 CDT

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