链入最少的电子游戏条目 (zhwiki)

SQL

WITH pages_vg AS (
  WITH pages_vg_talk AS (
    SELECT
      page.page_namespace,
      page.page_title
    FROM
      page
      JOIN categorylinks ON cl_to IN (
        '极高重要度电子游戏条目',
        '高重要度电子游戏条目',
        '中重要度电子游戏条目',
        '低重要度电子游戏条目',
        '未知重要度电子游戏条目'
      )
      AND cl_type = 'page'
      AND cl_from = page.page_id
  )
  SELECT
    page.page_id,
    page.page_title
  FROM
    page
    JOIN pages_vg_talk ON page.page_title = pages_vg_talk.page_title
    AND page.page_namespace + 1 = pages_vg_talk.page_namespace
),
page_linked AS (
  SELECT
    pages_vg.page_title,
    COUNT(*) AS links
  FROM
    pages_vg
    JOIN pagelinks ON (
      pagelinks.pl_namespace = 0
      AND pages_vg.page_title = pagelinks.pl_title
    )
  GROUP BY
    pages_vg.page_title
)
SELECT
  CONCAT(
    '* [[:',
    REPLACE(page_title, '_', ' '),
    ']] <small>[',
    FORMAT(links, 'N'),
    ']</small>'
  ) AS result
FROM
  page_linked
ORDER BY
  links ASC,
  page_title ASC;
SQL

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