Re: [PDO] Breaking the PDO API

For context, can you also link us to the bug in question and your  
proposed patch?

--Wez.

On Apr 15, 2009, at 7:11 PM, Matteo Beccati wrote:

> Hi everyone,
>
> you might have seen my recent PDO related post on internals. If not
> here's a link: http://news.php.net/php.internals/43663
>
> For those not following I've trying to fix a bug in PDO that is not  
> able
> to distinguish empty string from streams when a driver returns the LOB
> content, potentially leading to crashes, but to do so I need a small  
> API
> change. After some discussion on IRC I've started a related change to
> make sure that a driver can successfully compile only if it's declared
> to be compatible with the PDO API version in use.
>
> This is especially important for drivers living in pecl, that most
> likely will crash when compiled against an incompatible API.
>
> However I've been recently made aware of a GSoC project to standardise
> API versioning:
> http://wiki.php.net/gsoc/2009#abstract_extension_api_and_dependency_interface
>
> It would come in very handy and avoid us to reinvent the wheel, but
> unfortunately its schedule is not quite compatible with the imminent
> release of PHP 5.3.
>
> So, as far as I can tell, we have two choices:
>
> 1. just bump the PDO API version and expect that pecl drivers are
> updated accordingly. This means that pecl PDO drivers can cause  
> crashes
> until updated.
>
> 2. bump the PDO API version and add version checking to prevent
> compiling any incompatible driver until a new version is released on  
> pecl.
>
> If no one screams I'd prefer to avoid adding version checking as it
> would just be a short term solution, but I'd be glad to get some
> feedback from the maintainers of the various PDO drivers before  
> making a
> call.
>
>
> Cheers
>
> -- 
> Matteo Beccati
>
> OpenX - http://www.openx.org
>
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