[wp-trac] [WordPress Trac] #17019: add hooks for Media Library attachment counts

[WordPress Trac]

#17019: add hooks for Media Library attachment counts
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 Reporter:  kevinB                      |       Owner:
     Type:  enhancement                 |      Status:  new
 Priority:  normal                      |   Milestone:  3.9
Component:  Query                       |     Version:  2.5
 Severity:  normal                      |  Resolution:
 Keywords:  has-patch needs-unit-tests  |     Focuses:
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Comment (by nacin):

 Adding a "count" flag to WP_Query is a good step, but let's avoid doing
 query_context in this ticket. That should be separate. Really, both of
 these should be distinct, Query-specific tickets, as they're new API,
 versus being buried in a "add hooks for Media Library attachment counts"
 ticket.

 This needs database considerations in terms of COUNT(*) versus COUNT(1)
 versus COUNT(ID). pento probably knows which is best.

 post_count is normally an integer so we should cast it here as well,
 rather than after. I'd also use `new WP_Query( $args )` followed by
 `$attachments = $query->post_count` so the return value is obvious.

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Ticket URL: <https://core.trac.wordpress.org/ticket/17019#comment:43>
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