Untitled query #59840

SQL

USE skwiki_p;

-- Policy: https://sk.wikipedia.org/wiki/Wikip%C3%A9dia:Pravidl%C3%A1/Hlasovanie

-- Date and time (UTC) to list eligible voters to, e.g. start of a voting:
SELECT @t := now();
-- SELECT @t := '2020-10-28 13:26:00';
-- SELECT @t := '2015-11-09 11:08:00';

SELECT
    user_name, user_registration, user_editcount
  FROM
    user
  WHERE
    (user_registration IS NULL OR user_registration < DATE_FORMAT(DATE_SUB(@t, INTERVAL 2 MONTH), '%Y%m%d%H%i%s')) AND
      -- 2a) "Je zaregistrovaný vo Wikipédii minimálne po dobu dvoch kalendárnych mesiacov."
      -- user.user_registration is NULL for users registered before 2005-12-22
    user_editcount >= 200 AND
      -- trivial required condition, minimizing number of rows
    user_id IN (SELECT DISTINCT actor_user FROM revision r, actor a WHERE a.actor_id = r.rev_actor AND r.rev_timestamp >= DATE_FORMAT(DATE_SUB(@t, INTERVAL 6 MONTH), '%Y%m%d%H%i%s') AND r.rev_timestamp < DATE_FORMAT(@t, '%Y%m%d%H%i%s') GROUP BY actor_user HAVING count(*) >= 30) AND
      -- TEST: 30 úprav vo Wikipédii za posledných šesť mesiacov pred začiatkom hlasovania
    user_id IN (SELECT DISTINCT actor_user FROM revision r, actor a, page p WHERE p.page_id = r.rev_page AND a.actor_id = r.rev_actor AND p.page_namespace = 0 AND r.rev_timestamp < DATE_FORMAT(@t, '%Y%m%d%H%i%s') GROUP BY actor_user HAVING count(*) >= 200) AND
      -- 2c) "Vykonal minimálne 200 úprav v hlavnom mennom priestore pred začiatkom hlasovania."
    user_id NOT IN (SELECT ug_user FROM user_groups WHERE ug_group = 'bot') AND
      -- excluding bots
    user_name NOT IN ('CommonsDelinker', 'Xqbot')
      -- excluding non-flagged bots
  ORDER BY
    user_name
  ;
SQL

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