Re: [PECL-DEV] mysqlnd_qc (mysqlnd query cache) 1.0.1 with prepared statement support

On 13.07.2010, at 21:16, Ulf Wendel wrote:

> Lukas Kahwe Smith schrieb:
>> On 13.07.2010, at 19:55, Ulf Wendel wrote:
>>> Lukas Kahwe Smith schrieb:
>>>> On 13.07.2010, at 19:26, Ulf Wendel wrote:
>>>>> Benjamin Eberlei schrieb:
>>>>>> Actually missing prepared statements and unbuffered queries were the
>>>>>> only issues I had with the Query Cache so far. Can i compile the Mysqlnd
>>>>>> + Query Cache PECL Trunk against 5.3.99-DEV only to test it? 
>>>>> ... remember that PDO emulates prepared statements by default.
>>>> by default? since when?
>>> Since when does it not?
>>> 
>> good question.
>> it certainly didnt in the beginning:
>> http://netevil.org/uuid/444a6017-0548-2459-2943-44a601714d58
>> as you can see the feature was added later on and had to be enabled manually.
> 
> Well, a blog post... one would have to check the CVS log but I'm too lazy/tired... To add one "I recall and in this blog...", emulation should have been the default when we started adding mysqlnd support in mid 2008. Whenever...
> 
> Question is if and when to disable the emulation default in favour of native PS. The answer may be a bit like with ext/mysql, it may be: fear the installed user base.


The documentation also only talks about emulation being used in case its not natively available. I have not looked at the source, but if indeed this has changed, then it ought to be documented and I am not sure I really like this change, especially in light of the rather crude and flaky parser used and the simplistic quoting logic used.

regards,
Lukas Kahwe Smith
[email protected]