[Phpmyadmin-devel] $cfg - Functions and RestrictFunctions

Dieter Adriaenssens dieter.adriaenssens at gmail.com
Mon Jul 4 09:24:27 CEST 2011

2011/7/3 Piotr Przybylski <piotr.prz at gmail.com>:
> 2011/7/3 Dieter Adriaenssens <dieter.adriaenssens at gmail.com>:
>> 2011/7/3 Piotr Przybylski <piotr.prz at gmail.com>:
>>> 2011/7/2 Marc Delisle <marc at infomarc.info>:
>>>> Le 2011-07-02 16:09, Piotr Przybylski a écrit :
>>>>> 2011/7/2 Marc Delisle<marc at infomarc.info>:
>>>>>> Le 2011-07-01 18:57, Piotr Przybylski a écrit :
>>>>>>> On a related topic - do we need these to be configurable in
>>>>>>> config.inc.php? I think these could be moved to a separate file (eg.
>>>>>>> libraries/mysql.data.php), along with everything that is in
>>>>>>> config.default.php under "MySQL settings" comment. I see no reason
>>>>>>> anybody would want to change these, unless you desperately need a user
>>>>>>> defined function available in phpMyAdmin interface.
>>>>>> Piotr,
>>>>>> is this a problem to leave them configurable? Some users or providers
>>>>>> probably changed the configuration since it is configurable.
>>>>> No, I will just have to do a bit more work to filter this for Drizzle :)
>>>>> I was just wondering, because the only use case I can think of is to
>>>>> add custom native functions.
>>>> It can be also to remove unused functions in order to shorten the lists.
>>>> By the way, my assumption about the need of some for leaving it
>>>> configurable is just an assumption.
>>>> I suggest asking about this on the phpmyadmin-users list.
>>> Adding Drizzle functions look messy [1] and I am not satisfied with
>>> how this turned out. Here's an idea I would like to try, which would
>>> make it cleaner while still leaving these arrays configurable the same
>>> way as they are now:
>>> 1. I extract them to a separate file, eg. server_data_mysql.inc.php
>>> 2. arrays in config.default.php will become empty (just "array()").
>>> 3. If a non-empty value would appear in config.inc.php, it would
>>> overwrite data from new server_data_mysql.inc.php
>>> 4. My Drizzle-specific code would go mostly to server_data_drizzle.inc.php
>>> Pros:
>>> - after code refactoring and committing 1-3 to master I have to change
>>> just one file and make only small adjustments to add Drizzle support,
>>> - on average, less code to parse for phpMyAdmin and less data to store
>>> in memory because these are used only on three occasions - in db
>>> routines, table creation and column editing.
>> So, if I get this right, you will create two sets of arrays, one set
>> for MySQL and one set for Drizzle, which both go into a seperate
>> include file. Where the file that gets included depends on the
>> database server type.
> Yes. And users will still be able to overwrite this in config.inc.php.
> An added perk will be that at the point this file is processed we have
> access to database server version, so we will be able to add
> TO_SECONDS and UUID_SHORT for newer MySQL versions.

But this also means that two lists of functions/... need to be
maintained? Or is there a way of getting a list of functions that is
available on the database-server (like what you did to get the
functions of the Drizzle plugins)?

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