[wp-trac] [WordPress Trac] #45605: REST API: Avoid DB queries from generating sample permalink when possible

[WordPress Trac]

#45605: REST API: Avoid DB queries from generating sample permalink when possible
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 Reporter:  dlh           |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  5.1
Component:  REST API      |     Version:  5.0
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:
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Comment (by danielbachhuber):

 Replying to [comment:6 TimothyBlynJacobs]:
 > I think adding something like this to
 `WP_REST_Controller::get_fields_for_response()` makes sense.

 I'm amenable to this.

 > That would essentially extend the `_fields` performance increases to all
 requests. After the `_fields` performance enhancement, code would've had
 to been updated to be aware that any field may no longer be in the
 response when filtering  on `rest_prepare_post`. If the code hadn't been
 updated, it would be more likely to experience an issue with that change.

 I agree. The `_fields` performance change had a minor back-compat break
 for `rest_prepare_post`. Given there doesn't seem to be any negative
 fallout, it seems reasonable to implement @TimothyBlynJacobs' approach.

 Notably, we need to make sure that any fields without a defined context
 are still included by default.

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Ticket URL: <https://core.trac.wordpress.org/ticket/45605#comment:9>
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