Untitled query #7479

SQL

USE knwiki_p;  -- articles from EN with most langlinks...

SELECT 
    count(*) ll_count, 
    page_title title_en,
    (select ll_title from langlinks where ll_from = page_id and ll_lang = 'cs') title_cs,
    (select ll_title from langlinks where ll_from = page_id and ll_lang = 'de') title_de,
    (select ll_title from langlinks where ll_from = page_id and ll_lang = 'pl') title_pl,
    (select ll_title from langlinks where ll_from = page_id and ll_lang = 'hu') title_hu
  FROM
    page, langlinks
  WHERE
    ll_from = page_id and
    (select count(*) from langlinks where ll_from = page_id) >= 30 and
      -- attempt to limit number of intermediate rows to fetch and sort
    page_id not in (select ll_from from langlinks where ll_lang = 'kn') and
      -- ... missing from SK (no direct iw equivalent there)
    page_namespace = 0
  GROUP BY
    page_id
  ORDER BY 
    ll_count desc, page_title
  LIMIT
    2050;  -- top N
SQL

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