[wp-trac] [WordPress Trac] #21950: Don't create shared terms

[WordPress Trac]

#21950: Don't create shared terms
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 Reporter:  scribu       |       Owner:  boonebgorges
     Type:  enhancement  |      Status:  closed
 Priority:  normal       |   Milestone:  4.1
Component:  Taxonomy     |     Version:
 Severity:  normal       |  Resolution:  fixed
 Keywords:               |     Focuses:
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Changes (by boonebgorges):

 * status:  accepted => closed
 * resolution:   => fixed


Comment:

 In [changeset:"30240"]:
 {{{
 #!CommitTicketReference repository="" revision="30240"
 Do not create shared taxonomy terms.

 A "shared" term occurs when two entries in the `wp_term_taxonomy` table
 share a
 single `term_id`, and thereby correspond to the same row in `wp_terms`.
 This
 changeset stops the practice of creating shared terms: each new row in
 `wp_term_taxonomy` will receive its own row in `wp_terms`. The new
 strategy
 for term creation depends on whether the installation's database schema is
 up
 to date for 4.1:

 * If so, terms are allowed to be created with the same slug as an existing
 term, as long as they are in different taxonomies and do not share a
 parent. Thus, a new tag with the slug 'wordpress' can exist alongside a
 category with the slug 'wordpress'.
 * If not, new terms will be forced to have unique slugs. Thus, on an
 installation containing a category with the slug 'wordpress', a new tag
 'WordPress' will get the slug 'wordpress-2'.

 Fixes #21950. See #5809.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/21950#comment:12>
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