[wp-trac] [WordPress Trac] #39768: Incorrect image returned with attachment_url_to_postid()

[WordPress Trac]

#39768: Incorrect image returned with attachment_url_to_postid()
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 Reporter:  ben.greeley   |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  5.4
Component:  Media         |     Version:  4.7.2
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by vsamoletov):

 I'm sure you saw this https://stackoverflow.com/a/56283818, but just in
 case.

 Replying to [comment:7 SergeyBiryukov]:
 > Replying to [comment:6 SergeyBiryukov]:
 > > I'm up for updating the query in `attachment_url_to_postid()` to be
 case-sensitive and handle already existing images, if that does not reduce
 performance.
 >
 > On a site with ~32000 attachments, seeing no noticeable difference in
 performance
 >
 > {{{
 > SELECT post_id FROM wp_postmeta WHERE meta_key = '_wp_attached_file' AND
 meta_value = '2009/03/myimage.jpg'
 > Query took 0.0292 seconds.
 >
 > SELECT post_id FROM wp_postmeta WHERE meta_key = '_wp_attached_file' AND
 BINARY meta_value = '2009/03/myimage.jpg'
 > Query took 0.0294 seconds
 > }}}
 >
 > Both queries use the index:
 >
 >
 ||id||select_type||table||type||possible_keys||key||key_len||ref||rows||Extra||
 >
 ||1||SIMPLE||wp_postmeta||ref||meta_key||meta_key||768||const||30557||Using
 index condition; Using where||
 >
 > Should be good to go.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39768#comment:8>
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