Most edit notices disconnected from their pages in mainspace

Edit notices attached to mainspace titles that don't have colons in them, and that are either redlinks or redirects.

For [[WP:RAQ#Orphaned editnotices]] circa 25 Dec 2024.

SQL

SELECT CONCAT('Template:', p1.page_title), p2.page_is_redirect AS 'exists as redirect'
FROM page p1
LEFT JOIN page AS p2 ON p2.page_namespace = 0 AND p2.page_title = SUBSTRING(p1.page_title, LENGTH('Editnotices/Page/') + 1)
WHERE p1.page_namespace = 10  -- template
  AND p1.page_title LIKE 'Editnotices/Page/%'
  -- exclude editnotices with a colon since they are not in mainspace. for example, exclude Editnotice/Page/Category:Test
  AND p1.page_title NOT LIKE '%:%'
  AND (p2.page_is_redirect IS NULL -- doesn't exist
       OR p2.page_is_redirect = 1) -- exists as redirect
  AND p1.page_is_redirect = 0
ORDER BY p1.page_title ASC;

SQL

Checking query status...