it.wiki EGO: Categorie di squadre con più allenatori o giocatori

This query is marked as a draft This query has been published by Valerio Bozzolan.

Exaustive description here
https://it.wikipedia.org/wiki/Wikipedia:Elenchi_generati_offline/Richieste#Categorie_di_squadre_con_pi%C3%B9_allenatori_o_giocatori

SQL

# I spent very much time in indenting this query in the hope to understand tomorrow of what I've written here.
# Obviously tomorrow I will not understand anything here. asd
# Post edited: it's tomorrow and I don't understand anything. asd
USE itwiki_p;
(
  SELECT
      'asd_1'             AS layer,             
      p_nation.page_title AS nation,
      p_squads.page_title AS squads,
      p_squad .page_title AS squad ,
             COUNT( p_ssquad.page_id    ) AS n_squad_subcats,
      GROUP_CONCAT( p_ssquad.page_title ) AS   squad_subcats
      FROM
           categorylinks  AS cl1
      JOIN page           AS p_nation ON ( cl1.cl_from = p_nation.page_id    )
      JOIN categorylinks  AS cl2      ON ( cl2.cl_to   = p_nation.page_title )
      JOIN page           AS p_squads ON ( cl2.cl_from = p_squads.page_id    )
      JOIN categorylinks  AS cl3      ON ( cl3.cl_to   = p_squads.page_title )
      JOIN page           AS p_squad  ON ( cl3.cl_from = p_squad .page_id    )
      JOIN categorylinks  AS cl4      ON ( cl4.cl_to   = p_squad .page_title )
      JOIN page           as p_ssquad ON ( cl4.cl_from = p_ssquad.page_id    )
  WHERE
      FALSE AND
      cl1.cl_to   = 'Squadre_sportive_per_nazione'             AND
      cl2.cl_type = 'subcat'                                   AND
      cl3.cl_type = 'subcat'                                   AND
      cl4.cl_type = 'subcat'                                   AND
      p_nation.page_title NOT LIKE '%_di_%'                    AND
      p_squads.page_title NOT LIKE 'Squadre_automobilistiche%' AND
      p_ssquad.page_title NOT LIKE '%Allenatori%'              AND
      p_ssquad.page_title NOT LIKE '%Dirigenti%'               AND
      p_ssquad.page_title NOT LIKE '%Immagini%'                AND
      p_ssquad.page_title NOT LIKE '%Incontri%'                AND
      p_ssquad.page_title NOT LIKE '%Presidenti%'              AND
      p_ssquad.page_title NOT LIKE '%Storia%'                  AND
      p_ssquad.page_title NOT LIKE '%Stagioni%'
  GROUP BY p_squad.page_id
  HAVING   n_squad_subcats BETWEEN 2 AND 11
) UNION (
  SELECT
      'asd_2'              AS layer,             
      p_nation .page_title AS nation,
      p_ssquads.page_title AS squads,
      p_ssquad .page_title AS squad ,
             COUNT( p_sssquad.page_id    ) AS n_squad_subcats,
      GROUP_CONCAT( p_sssquad.page_title ) AS   squad_subcats
      FROM
           categorylinks   AS cl1
      JOIN page            AS p_nation  ON ( cl1.cl_from = p_nation .page_id    )
      JOIN categorylinks   AS cl2       ON ( cl2.cl_to   = p_nation .page_title )
      JOIN page            AS p_squads  ON ( cl2.cl_from = p_squads .page_id    )
      JOIN categorylinks   AS cl3       ON ( cl3.cl_to   = p_squads .page_title )
      JOIN page            AS p_squad   ON ( cl3.cl_from = p_squad  .page_id    )
      JOIN categorylinks   AS cl4       ON ( cl4.cl_to   = p_squad  .page_title )
      JOIN page            as p_ssquad  ON ( cl4.cl_from = p_ssquad .page_id    )
      JOIN categorylinks   AS cl5       ON ( cl5.cl_to   = p_ssquad .page_title )
      JOIN page            as p_sssquad ON ( cl5.cl_from = p_sssquad.page_id    )
  WHERE
      cl1.cl_to   = 'Squadre_sportive_per_nazione'             AND
      cl2.cl_type = 'subcat'                                   AND
      cl3.cl_type = 'subcat'                                   AND
      cl4.cl_type = 'subcat'                                   AND
      cl5.cl_type = 'subcat'                                   AND
      p_nation.page_title NOT LIKE '%_di_%'                    AND
      p_squads.page_title NOT LIKE 'Squadre_automobilistiche%' AND
      p_ssquad.page_title NOT LIKE '%Allenatori%'              AND
      p_ssquad.page_title NOT LIKE '%Dirigenti%'               AND
      p_ssquad.page_title NOT LIKE '%Immagini%'                AND
      p_ssquad.page_title NOT LIKE '%Incontri%'                AND
      p_ssquad.page_title NOT LIKE '%Presidenti%'              AND
      p_ssquad.page_title NOT LIKE '%Storia%'                  AND
      p_ssquad.page_title NOT LIKE '%Stagioni%'
  GROUP BY p_squad.page_id
  HAVING   n_squad_subcats BETWEEN 2 AND 11
)
ORDER BY squad ASC

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