[wp-hackers] how to query all posts from post type and some posts from another post type?
kkarpieszuk at gmail.com
Mon May 7 16:41:57 UTC 2012
thank you everyone for help :) you realised me that this will
implicate many strange things to support, so i did it in different way
i added support for category in my post type:
'taxonomies' => array('category'),
and i input thesame category for my cutom post type, so now when i
query for posts with category 'fdp' i see expected results :)
(en) regards / (pl) pozdrawiam
http://tradematik.pl wtyczka do WordPressa do tworzenia sklepów dla
klientów z Polski
On Mon, May 7, 2012 at 6:14 PM, Lionel POINTET
<lionel.pointet at globalis-ms.com> wrote:
> I think custom SQL queries are in most cases a bad idea. You should use it
> only if you really need it.
> The drawbacks are that you don't rely on the WordPress abstraction methods
> so you don't prevent some future changes on the database.
> Plus, you don't use actions and filters placed by the WordPress core, so
> plugins or themes you use won't be able to hook on them, and you probably
> won't have the custom functionalities provided by those plugins / themes.
> In case you *really *want and need to do this into one query, use the most
> appropriate filter (like 'posts_where' or others) to re-write the tinyer
> portion of the WP_Query.
> 2012/5/7 Michael Van Winkle <mike at mikevanwinkle.com>
>> Time to learn some mysql and do a custom select query.
>> Try something like this replacing the slug below ('slug-for-my-term')
>> for whichever you need to query on. Please beware that if you populate
>> this query dynamically you will need to user the $wpdb->prepare method
>> to make certain it is secure.
>> SELECT * from wp_posts p
>> LEFT JOIN wp_term_relationships rel ON rel.object_id = p.ID
>> LEFT JOIN wp_term_taxonomy tt ON tt.term_taxonomy_id = rel.term_taxonomy_id
>> LEFT JOIN wp_terms t ON t.term_id = tt.term_id
>> WHERE p.post_status = 'publish' AND ( ( p.post_type = 'post' AND
>> t.slug = 'slug-for-my-term' AND tt.taxonomy = 'category') OR
>> p.post_type = 'fdp-post' )
>> GROUP BY p.ID
>> ORDER BY p.post_date,DESC
>> On Mon, May 7, 2012 at 8:39 AM, Jackson Whelan <jw at jacksonwhelan.com>
>> > On 5/7/12 11:16 AM, Steve Taylor wrote:
>> >>> You can use an array for the post_type parameter in WP_Query, ie:
>> >>> $query = new WP_Query( array( 'post_type' => array( 'post',
>> >>> 'fdp-post' )
>> >>> ) );
>> >> The issue then is, how to do a tax_query that for only restricting one
>> >> post type by category. Probably not possible
>> > Apologies, I totally missed that part of the OP's question.
>> > I believe you're right that the tax_query will apply to both post types.
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>> Mike Van Winkle
>> mike at mikevanwinkle.com
>> "All excellent things are as difficult as they are rare." -Spinoza
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