[wp-trac] [WordPress Trac] #33296: Allow sites to skip a query in meta_form() that can delay loading the page

[WordPress Trac]

#33296: Allow sites to skip a query in meta_form() that can delay loading the page
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 Reporter:  kitchin         |      Owner:
     Type:  enhancement     |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Administration  |    Version:  trunk
 Severity:  normal          |   Keywords:
  Focuses:  performance     |
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 Follow-up to #24998 (and its duplicates #32361, #32449). See also #18979.

 Edit post loads slowly on sites with large tables. Sites should be able to
 bypass the meta drop-down query. I'm attaching a simple patch using the
 existing filter `postmeta_form_limit`.

 Some sites do not need the drop-down, or have too many custom metas to
 make a drop-down useful. The drop-down is great for me though. I can
 easily add features without creating a custom meta box. Once an option is
 in the drop-down, my authors know it is available.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33296>
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