[Phpmyadmin-devel] about choosing table layout for pmadb

[Marc Delisle]

Michal Čihař a écrit :
> Hi
> 
> Dne Fri, 05 Jun 2009 05:32:02 -0400
> Marc Delisle <marc at infomarc.info> napsal(a):
> 
>> Yes there are downsides for each alternative. Another downside for the 
>> EAV model is that at user login (session initialization) we need to read 
>>   all the rows holding the user prefs for this user, instead of just one 
>> read if each option has its own column.
> 
> With index on login name, selecting several rows should be quite cheap.
> 
>> As mentionned in one of the links I gave, the EAV model also makes it 
>> difficult to code the possible choices for an option, for example into 
>> an ENUM.
> 
> Okay, I probably can live with either of solutions. Both have downsides
> and advantages.

I guess it's up to Zeeshan to decide now.

> 
>> About upgrading, I expect Zeeshan to implement a feature to auto-create 
>> and auto-upgrade the table (which could be extended to all of our pmadb 
>> tables).
> 
> It should be coded with this in mind.