Article stub category inconsistencies

Per [[WP:RAQ]]: [[Special:Permalink/1186751253##Stub-class_articles_not_tagged_with_a_stub_template]] - November 25, 2023

First result set returns articles who are not tagged as stubs but whose talk pages are members of one or more stub-class categories.

Second result set returns articles who are tagged as stubs but whose talk pages are not members of any stub-class category.

Articles with no talk pages will not appear in the results.

SQL

WITH RECURSIVE stubclass AS (
  SELECT cl.cl_from
  FROM categorylinks cl
  WHERE cl.cl_to = 'Stub-Class_articles'
  UNION
  SELECT cl.cl_from
  FROM categorylinks cl
  INNER JOIN page p ON cl.cl_to = p.page_title AND p.page_namespace = 14
  INNER JOIN stubclass sc ON sc.cl_from = p.page_id
)

-- Non-stub articles with at least one stub-class on talk page
SELECT CONCAT('https://en.wikipedia.org/wiki/', p.page_title)
FROM page p
INNER JOIN page p_talk ON p.page_title = p_talk.page_title AND p_talk.page_namespace = 1
WHERE p.page_namespace = 0
AND p.page_id NOT IN (SELECT cl.cl_from FROM categorylinks cl WHERE cl.cl_to = 'All_stub_articles')
AND p_talk.page_id IN (SELECT sc.cl_from FROM stubclass sc);

-- Stub articles with no stub-class on talk page
SELECT CONCAT('https://en.wikipedia.org/wiki/', p.page_title)
FROM page p
INNER JOIN page p_talk ON p.page_title = p_talk.page_title AND p_talk.page_namespace = 1
WHERE p.page_namespace = 0
AND p.page_id IN (SELECT cl.cl_from FROM categorylinks cl WHERE cl.cl_to = 'All_stub_articles')
AND p_talk.page_id NOT IN (SELECT sc.cl_from FROM stubclass sc);

SQL

Checking query status...