mythology-week-improve

SQL

USE ukwiki_p;
SET SESSION group_concat_max_len = 10000;

SELECT  @rownum := @rownum + 1 AS rank,
  IFNULL(article, 'Всього'),
  user_number,
  size_increase,
  users
FROM
  (
    SELECT
      CONCAT('[[', REPLACE(page_title, '_', ' '), ']]') as article,
      COUNT(1) AS user_number,
      SUM(user_size_increase) as size_increase,
      GROUP_CONCAT(
          DISTINCT
          REPLACE(
            CONCAT(
              '[[Користувач:', rev_user_text, '|', ']]', 
              ' (', user_size_increase ,')')
            , '_', ' ')
          ORDER BY user_size_increase DESC, rev_user_text
          SEPARATOR ' · '
      ) AS users
    FROM
      (SELECT
         rev.rev_user_text,
         article.page_title,
         SUM(rev.rev_len) - SUM(parent_rev.rev_len) AS user_size_increase
       FROM page article
         -- отримати версії статей
         JOIN revision rev
           ON rev.rev_page = article.page_id AND
    		20170106 * 1000000 <= rev_timestamp  AND 
    		rev_timestamp < 20170116 * 1000000
         -- разом із попередніми версіями
         JOIN revision parent_rev
           ON parent_rev.rev_id = rev.rev_parent_id

         -- і на сторінці обговорення чи у статі
         JOIN page talk
           ON talk.page_title = article.page_title AND
              talk.page_namespace IN (0, 1)
         -- має бути шаблон
         JOIN templatelinks ON
                              tl_from = talk.page_id AND
                              tl_title = 'mythology-week-improve' AND
                              tl_namespace = 10
       WHERE
         article.page_namespace = 0 AND
         article.page_is_redirect = 0
       GROUP BY rev_user_text, article.page_title) r

    GROUP BY article WITH ROLLUP) t,
  (SELECT @rownum := -1) r
ORDER BY size_increase DESC, user_number DESC;
SQL

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