[wp-trac] [WordPress Trac] #54236: Script for handling metadata in wp_postmeta

[WordPress Trac]

#54236: Script for handling metadata in wp_postmeta
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 Reporter:  julia77          |      Owner:  (none)
     Type:  feature request  |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Database         |    Version:
 Severity:  normal           |   Keywords:  needs-docs
  Focuses:                   |
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 Hello,

 Since wp_postmeta table gets so big, and most users just upload and delete
 and change themes/media sizes and reload and change again, etc. sooo often
 …could someone at WordPress just give a customizable function to handle
 data in that table? Specifically for images …

 I´m using a filter to prevent storing exif and iptc metadata in the same
 meta key for sizes (_wp_attachment_metadata):


 add_filter( ‘wp_read_image_metadata’, ‘__return_false’ );


 but I had to delete manually all data that was previously added by default
 …and the same for unused images´ sizes.

 I guess wp-includes/media.php points something about this but I have no
 idea about unserializing, query for specific data, filtering results,
 deleting it, serializing again and restoring to db …I´m affraid this tasks
 have to be done manually by users with no code knowledge …

 Hope someone could write a custom php script for this.

 Thanks,

 Julia

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Ticket URL: <https://core.trac.wordpress.org/ticket/54236>
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