Untitled query #63531

SQL

SET @pat='(?i).*ipd.*tamil.*';

WITH ns(ns_n, ns_s) AS (VALUES (-2, 'Media:'), (-1, 'Special:'), (0, ''), (1, 'Talk:'), (2, 'User:'), (3, 'User talk:'), (4,
  'Wikipedia:'), (5, 'Wikipedia talk:'), (6, ':File:'), (7, 'File talk:'), (8, 'MediaWiki:'), (9, 'MediaWiki talk:'), (10, 'Template:'),
  (11, 'Template talk:'), (12, 'Help:'), (13, 'Help talk:'), (14, ':Category:'), (15, 'Category talk:'), (100, 'Portal:'), (101,
  'Portal talk:'), (118, 'Draft:'), (119, 'Draft talk:'), (126, 'MOS:'), (127, 'MOS talk:'), (710, 'TimedText:'), (711, 'TimedText talk:'),
  (828, 'Module:'), (829, 'Module talk:'))
SELECT CONCAT('[[',
              COALESCE(ns_s, CONCAT('{{ns:', page_namespace, '}}:')),
              REPLACE(page_title, '_', ' '),
              ']]') AS title,
       EXISTS (SELECT 1
               FROM page p2
               WHERE p2.page_namespace = sq.page_namespace
                 AND p2.page_title = sq.page_title) AS existing,
       COUNT(log_namespace) AS `times deleted`,
       GROUP_CONCAT(log_timestamp SEPARATOR ' // ') AS `deletion timestamps`,
       GROUP_CONCAT(comment_text SEPARATOR ' // ') AS `deletion comments`,
       (SELECT GROUP_CONCAT(comment_text SEPARATOR ' // ')
        FROM logging_logindex
        JOIN comment_logging ON comment_id = log_comment_id
        WHERE log_namespace = page_namespace
          AND log_title = page_title
          AND log_type = 'protect'
          AND log_action = 'protect'
          AND log_params LIKE '%create=%') AS `salt comments`
FROM (SELECT page_namespace, page_title
      FROM page
      WHERE REPLACE(page_title, '_', ' ') RLIKE @pat

      UNION DISTINCT

      SELECT ar_namespace, ar_title
      FROM archive
      WHERE REPLACE(ar_title, '_', ' ') RLIKE @pat) sq
LEFT JOIN logging_logindex
       ON log_namespace = page_namespace
      AND log_title = page_title
      AND log_action = 'delete'
      AND log_type = 'delete'
LEFT JOIN comment_logging ON comment_id = log_comment_id
LEFT JOIN ns ON ns_n = page_namespace
GROUP BY page_namespace, page_title
ORDER BY `existing` DESC, page_namespace ASC, page_title ASC;
SQL

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