WP0 blocked users without category (logging)

This query is marked as a draft This query has been published by Zhuyifei1999.
SQL

USE commonswiki_p;

SELECT NOW();

SELECT log_title, log_comment, log_user_text
FROM logging_logindex
WHERE log_type = 'block'
AND log_action = 'block'
AND log_comment REGEXP '[[:<:]](?:T129845|Z567|Z591|WP0|wikipedia (?:zero|0))[[:>:]]'
AND NOT log_title REGEXP '^[[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}.[[:digit:]]{1,3}(?:/[[:digit:]]{1,2})?$'
AND NOT log_title IN (
  SELECT page_title
  FROM page
  INNER JOIN categorylinks
  ON cl_from = page_id
  WHERE cl_type = "page"
  AND page_namespace = 2
  AND cl_to IN (
    SELECT * FROM (
      SELECT "Users_suspected_of_abusing_Wikipedia_Zero" AS catname
      UNION
      SELECT page_title AS catname
      FROM page
      INNER JOIN categorylinks
      ON cl_from = page_id
      WHERE cl_type = "subcat"
      AND cl_to = "Users_suspected_of_abusing_Wikipedia_Zero"
    ) wp0cats /* Using MATERIALIZED per https://stackoverflow.com/a/6157797 */
  )
) /* Not MATERIALIZED here. EXPLAINs:
MATERIALIZED:
+------+--------------+---------------+--------+---------------------------------------------------------------------+------------------+---------+-----------------------------------+-----------+--------------------------+
| id   | select_type  | table         | type   | possible_keys                                                       | key              | key_len | ref                               | rows      | Extra                    |
+------+--------------+---------------+--------+---------------------------------------------------------------------+------------------+---------+-----------------------------------+-----------+--------------------------+
|    1 | PRIMARY      | logging       | ref    | type_time                                                           | type_time        | 34      | const                             |     47067 | Using where              |
|    2 | MATERIALIZED | categorylinks | index  | PRIMARY,cl_timestamp,cl_sortkey,cl_collation_ext                    | cl_collation_ext | 296     | NULL                              | 269422751 | Using where; Using index |
|    2 | MATERIALIZED | page          | eq_ref | PRIMARY,name_title,page_random,page_len,page_redirect_namespace_len | PRIMARY          | 4       | commonswiki.categorylinks.cl_from |         1 | Using where              |
|    4 | MATERIALIZED | <derived5>    | ALL    | NULL                                                                | NULL             | NULL    | NULL                              |        23 |                          |
|    5 | DERIVED      | NULL          | NULL   | NULL                                                                | NULL             | NULL    | NULL                              |      NULL | No tables used           |
|    6 | UNION        | categorylinks | ref    | PRIMARY,cl_timestamp,cl_sortkey                                     | cl_sortkey       | 258     | const,const                       |        22 | Using where; Using index |
|    6 | UNION        | page          | eq_ref | PRIMARY                                                             | PRIMARY          | 4       | commonswiki.categorylinks.cl_from |         1 |                          |
| NULL | UNION RESULT | <union5,6>    | ALL    | NULL                                                                | NULL             | NULL    | NULL                              |      NULL |                          |
+------+--------------+---------------+--------+---------------------------------------------------------------------+------------------+---------+-----------------------------------+-----------+--------------------------+
NOT MATERIALIZED:
+------+--------------------+---------------+--------+---------------------------------------------------------------------+------------+---------+------------------------------------------+-------+--------------------------+
| id   | select_type        | table         | type   | possible_keys                                                       | key        | key_len | ref                                      | rows  | Extra                    |
+------+--------------------+---------------+--------+---------------------------------------------------------------------+------------+---------+------------------------------------------+-------+--------------------------+
|    1 | PRIMARY            | logging       | ref    | type_time                                                           | type_time  | 34      | const                                    | 47067 | Using where              |
|    2 | DEPENDENT SUBQUERY | page          | eq_ref | PRIMARY,name_title,page_random,page_len,page_redirect_namespace_len | name_title | 261     | const,func                               |     1 | Using where; Using index |
|    2 | DEPENDENT SUBQUERY | <subquery3>   | ALL    | distinct_key                                                        | NULL       | NULL    | NULL                                     |    23 |                          |
|    2 | DEPENDENT SUBQUERY | categorylinks | eq_ref | PRIMARY,cl_timestamp,cl_sortkey,cl_collation_ext                    | PRIMARY    | 261     | commonswiki.page.page_id,wp0cats.catname |     1 | Using where              |
|    3 | MATERIALIZED       | <derived4>    | ALL    | NULL                                                                | NULL       | NULL    | NULL                                     |    23 |                          |
|    4 | DERIVED            | NULL          | NULL   | NULL                                                                | NULL       | NULL    | NULL                                     |  NULL | No tables used           |
|    5 | UNION              | categorylinks | ref    | PRIMARY,cl_timestamp,cl_sortkey                                     | cl_sortkey | 258     | const,const                              |    22 | Using where; Using index |
|    5 | UNION              | page          | eq_ref | PRIMARY                                                             | PRIMARY    | 4       | commonswiki.categorylinks.cl_from        |     1 |                          |
| NULL | UNION RESULT       | <union4,5>    | ALL    | NULL                                                                | NULL       | NULL    | NULL                                     |  NULL |                          |
+------+--------------------+---------------+--------+---------------------------------------------------------------------+------------+---------+------------------------------------------+-------+--------------------------+
*/
;
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