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Re: ORMs comparisons/complaints. [message #184441 is a reply to message #184434] Wed, 01 January 2014 01:33 Go to previous messageGo to previous message
jebblue is currently offline  jebblue
Messages: 2
Registered: December 2013
Karma:
Junior Member
On Tue, 31 Dec 2013 17:54:12 -0400, Arved Sandstrom wrote:

> On 12/31/2013 12:52 PM, jebblue wrote:
>> On Sun, 22 Dec 2013 11:05:34 -0800, Daniel Pitts wrote:
>>
>>> I find that I often stretch systems to there
>>> limits
>>
>> It should be their not there.
>>
>> ORM's are great to get something fairly simple of the ground
>> fairly fast. From then on any meaningful feature updates
>> that requires work in the data layer makes using an ORM
>> a real PITA.
>>
>> Things like, slow performance, hassles when trying to relate
>> data between tables, trying to sort out what I want the
>> SQL to do then all the time it takes to sort out all the
>> ORM annotations and code and test to satisfy the ORM makes
>> using the ORM a maintenance headache.
>>
>> It's a slower coding startup to use straight JDBC but over
>> time maintenance time and difficulty are linear conststant
>> with using straight JDBC. Performance is always at a
>> maximum too.
>>
>> So when I can, I avoid ORMs completely.
>>
> Have you worked in the programming industry for more than say 5 years?

20 years, over 30 including Hobbyist

> No point you made actually made much sense. I must admit, I've heard a
> few guys just 3 years out of uni who style themselves as technical
> architects or senior consultants who opine like this.
>
> Your observations wrt JDBC vs use of an ORM are not borne out by
> experience. A fair few knowledgeable people have decided that Java ORMs
> make sense: I happen to believe that they are correct - ORMs are
> complex, and JDBC is more complex, and not very many coders are truly
> adept at SQL.
>
> And "performance is always at a maximum"? JDBC versus ORMs? How so? Just
> about 99 percent of the people who write Java ORMs are intimately
> familiar with JDBC and SQL - I happen to know a few of them. I
> respectfully suggest that if you're having performance problems or can't
> solve relational calculus, it's not an ORM problem.
>
> AHS
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