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saas786/delete-orphan.sql

Forked from mikaelz/delete-orphan.sql
Created April 16, 2021 10:40
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Delete orphan postmeta and attachment in WordPress database
Raw
delete-orphan.sql
-- Delete orphan postmeta
DELETE pm
FROM wp_postmeta pm
LEFT JOIN wp_posts p ON pm.post_id = p.ID
WHERE p.ID IS NULL
;
-- Delete orphan attachment
DELETE p1
FROM wp_posts p1
LEFT JOIN wp_posts p2 ON p1.post_parent = p2.ID
WHERE p1.post_parent > 0 AND p1.post_type = 'attachment' AND p2.ID IS NULL
;
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