[wp-hackers] Single Category Store across Sites on Multisite?

Casey Bisson casey.bisson at gmail.com
Tue Jan 11 19:18:53 UTC 2011

Sharing the term IDs isn't as useful as sharing common term taxonomy IDs. 

Doing that would make it easy to relate content between blogs (especially if the blogs are using custom taxonomies and/or controlled vocabularies). 

It'd also make it easier to index the content in Sphinx (where all posts from all blogs could go into a single index with associated taxonomy info). 

I've lob thought MU's old global terms feature would be a good foundation for global term tax IDs, but that's me thinking out loud too, as that was an issue from my previous gig and I'm not as likely to build it now. 



On Jan 11, 2011, at 9:33 AM, "Dion Hulse (dd32)" <wordpress at dd32.id.au> wrote:

> The main problem with the global terms is that every blog has to have it's
> own taxonomy tables, you can't just redirect all taxonomy tables to a
> central one, as you end up with duplicate post ID's in the relational table.
> You could possible set $wpdb->term_table to always point to a central
> listing.. with each blog having their own taxonomy and relationship
> tables..
> But i'm mainly thinking out loud here, I'll leave it with "It's really not
> the most ideal thing to want to do at the present time"
> On 11 January 2011 12:29, Dan Smart <dan at dansmart.co.uk> wrote:
>> MU Sitewide tags doesn't really address this issue, though people suggest
>> it as an option. You have to use it's entire multiblog post thing too,
>> whereas I was applying a category to a single-sited custom post type.
>> It seems like a good thing to have as part of core, I didn't want to go
>> down the road of modifying core of course.
>> Dan Smart - Web Developer
>> www.dansmart.co.uk
>> On 11 Jan 2011, at 17:12, Mike Schinkel <mikeschinkel at newclarity.net>
>> wrote:
>>> This question got me thinking about if it is possible (practical?) to
>> have a single category store across sites on multisite?
>> http://wordpress.stackexchange.com/questions/6722/can-you-have-a-single-set-of-canonical-categories-shared-by-all-blogs
>>> The more I think of it the more it seems like it just wouldn't be viable.
>> Anyone have alternate experience?
>>> -Mike

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