[wp-trac] [WordPress Trac] #33827: WP Query: Custom Post Types and Categories

[WordPress Trac]

#33827: WP Query: Custom Post Types and Categories
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 Reporter:  atomicjack    |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Query         |     Version:  4.3
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by swissspidy):

 > I think we need to get this changed, so that, if it is a custom post
 type, the cat= will look for the categories within that post type.

 This would majorly break backwards compatibility.

 The docs are very clear that `cat` is a category (built-in taxonomy
 ''category'') parameter.  Just like that,  `tag` is a tag (built-in
 taxonomy ''post_tag'') parameter.

 Custom post types usually use custom ''taxonomies''. Category is just one
 taxonomy, terms is another. Developers are encouraged to use `tax_query`
 for queries involving custom taxonomies rather than mis-using `cat` and
 `tag` for something they aren't intended for. Even if that means more
 typing.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33827#comment:2>
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