[wp-hackers] Editing a tag also edits a matching category

[Callum Macdonald]

I have not reported it in trac. If it is a bug, it's a design bug, not a 
code bug.

As I see it, there are a couple of options.

1) Only edit a term if that term is used in one and only one taxonomy, 
otherwise create a new term.
2) Add a "name" column to the taxonomy table so that the same term can 
have different names. This significantly changes the term functionality 
though.

I'll give it some further thought and then post something on trac.

Cheers - Callum.

kingler wrote:
> On Fri, Mar 21, 2008 at 2:38 AM, Callum Macdonald
> <lists.automattic.com at callum-macdonald.com> wrote:
>   
>> G'day,
>>
>>  When you edit a category, you are actually editing the term and not the
>>  taxonomy. This means that if you have a category and a tag with the same
>>  underlying term, things can get out of sync.
>>
>>  The simplest example is regarding case. If you create a post and tag it
>>  "photos" then create another post and add a category "Photos", the
>>  category will be called "photos" because that's the name of the existing
>>  term with the same slug. If you edit that category and change it to
>>  "Photos" then the tag will also be changed to "Photos". Likewise, if you
>>  decide to edit a category slug, it will edit the slug of the
>>  corresponding tag (if the tag exists), and vice versa.
>>     
>
> This is definitely a bug. Have you reported in Trac?
>
>   
>>  I think this is a fundamental bug in the term / taxonomy system. I've
>>  been looking through the code in some detail recently (doing some stuff
>>  on WPMU) and I've come to the conclusion that tags and categories are
>>  fundamentally different. For example, in WPMU, tags can easily be used
>>  globally, while categories cannot. Categories have descriptions and
>>  parents which might be different on each wpmu blog, tags do not.
>>     
>
> The categories/tags are just special kinds of taxonomy. However, like you said,
> categories do have relationships (parents) between them more than tags do.
>
> For WPMU, to achieve global category is a bit tricky, but you can simply map
> every blog to use a single blog's category... We do run a system
> similar to that.
> If you don't care about relationships between categories, just treat
> them as tags
> at the global level, which is what WordPress.com is doing...
>
>   
>>  I'm not proposing anything at this point. I'm keen to explore what other
>>  people think on the subject. Anyone have an opinion to share?
>>
>>  Cheers - Callum.
>>
>>     
>
> -Liang
> kingler from 72pines
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