This guy is a good troll. 

He successfully started holy war ;)))

On Apr 15, 2011, at 12:13 AM, Dan Horne wrote:

> 
> 
> On 15/04/2011, at 6:17 AM, Robert Kinyon <[email protected]> wrote:
> 
>> On Thu, Apr 14, 2011 at 14:14, Matija Grabnar <[email protected]> wrote:
>>>> Actually, no, it's not. In the strictest possible mode, employing
>>>> every single way to ensure your data is consistent and that foreign
>>>> keys are being honored, there's a simple thing anyone can do to screw
>>>> you with MySQL.
>>>> 
>>>> SET FOREIGN KEYS OFF;
>>> 
>>> Oh, you mean that, if you turn checking off, it doesn't do checking?
>>> Gasp! Why, that's like saying that a gun fires bullets when you pull
>>> the trigger. So just don't set foreign keys off. Foreign keys is on by
>>> default.
>> 
>> I didn't turn foreign keys off. My idiot coworker did.
> 
> I was on a Perl project where my idiot colleague kept ignoring our accessors 
> and continually accessed our data structures directly. The Java guys mocked 
> Perl as not being a real language be because we couldn't prevent this. 
> 
>>>> BAM! You're done. Finished. You cannot trust a single thing in your
>>>> database the way you can in EVERY SINGLE OTHER relational database.
>>> 
>>> Well, why did you turn off checking? It's a TOOL, a powerful tool. Like all
>>> powerful tools, if you disabled the safeties, you have to know what you're
>>> doing. Just like a power saw, you can do very good work, or you can cut off
>>> your
>>> thumb.
>> 
>> How about making an option where I can disable the ability for certain
>> users to turn off foreign keys? Or turn off strict mode?
>> 
>> The whole point of a relational datastore is to be able to make
>> assertions about the relationships between the data points. If foreign
>> key checking can be turned off, then not validated when turned on, I
>> cannot make those assessions. Thus, the quality of the data is null.
>> 
>> Rob
> 
> The whole point of our classes was to provide a uniform way to maintain our 
> data. If we couldn't enforce it then the quality if the data is null
> 
> By the way don't grant developers the ability to turn off constraint 
> checking. Don't use MyIsam storage if you want to enforce integrity. InnoDB 
> is now the default engine, so you'd need to explicitly make a design choice 
> not to use it
> 
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> 
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