[wp-trac] [WordPress Trac] #41409: No point in storing empty EXIF/IPTC data on post meta table

[WordPress Trac]

#41409: No point in storing empty EXIF/IPTC data on post meta table
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 Reporter:  geminorum    |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Media        |    Version:  trunk
 Severity:  normal       |   Keywords:
  Focuses:  performance  |
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 - Post meta tables are bloated with often not used EXIF/IPTC data for each
 image attachments.

 - `wp_read_image_metadata()` generates `aperture`, `credit`, `camera`,
 `caption`, `created_timestamp`, `copyright`, `focal_length`, `iso`,
 `shutter_speed`, `title`, `orientation`, `keywords`. and the data often
 stored as empty key/value pairs on each attachment metadata.

 - I see no problem on filling default/empty values upon retrieving the
 data.

 - and mentioning the core currently has no way of using ''stored''
 `image_meta`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41409>
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