[wp-testers] Priorities of the categories

[Andrew Macaulay-Brook]

Andrew - just to sanity check my understanding... Does using post meta cause an extra db hit?  Andy. 

Please excuse any brevity: Sent from my iPhone

On 20 Jun 2012, at 15:17, Andrew Nacin <wp at andrewnacin.com> wrote:

> On Wed, Jun 20, 2012 at 9:19 AM, Sergey Biryukov <
> sergeybiryukov.ru at gmail.com> wrote:
> 
>> On Wed, Jun 20, 2012 at 3:35 PM, Dispoweb2.0[Ghaith] <dispoweb at gmail.com>
>> wrote:
>>> It would be better if the CMS can offer the possibility to exclude a
>>> category from being used on the URL structure or give it a low priority.
>>> Something like this.
>> 
>> There's a ticket for that: http://core.trac.wordpress.org/ticket/18752
> 
> 
> Even without this filter, this is seriously easy to do.
> 
> For one project, Otto and I wrote a replacement for the categories metabox
> that, next to the checkboxes, also included a column of radio buttons. You
> could choose which category was the primary category for that post. We
> would then store the selected primary category in postmeta. Then we would
> filter on pre_post_link and replace %category% with the actual term name of
> the primary category. There are other filters too, like post_link and
> post_type_link.
> 
> This can require duplicating a few lines of core logic depending on your
> goals, but point is, there's almost always a decent method to do something
> even if there isn't a dead-obvious filter.
> 
> Nacin
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