TOP reviewers pl 2019

SQL

USE plwiki_p;

-- Re-format wikitable: `(\d+)\.0\|\|(\S[^|]+)`
-- Replace: `$1 || [[User:$2|$2]] `

SET @row_num = 0; 
SET @row_num2 = 0; 

-- Note! 2nd @row_num seem to be required for MariaDb 10.1 when sorting by 2 columns.
SELECT (@row_num2:= @row_num2 + 1) as number, actor_name, review_count, IFNULL(review_count_i, 0)
FROM
-- next reviews
(
  SELECT (@row_num:= @row_num + 1) as number_r_next, actor_name, review_count, log_actor
  FROM
  (
      SELECT count(*) as review_count, log_actor
      FROM logging 
      WHERE log_type = 'review' AND log_action = 'approve'
      AND log_timestamp >= 20190101000000
      AND log_timestamp <= 20191231235959
      GROUP BY log_actor
  ) r_next
  LEFT JOIN actor a ON actor_id = log_actor
  ORDER BY review_count DESC
) top_r_next
-- add initial reviews
LEFT JOIN
(
  SELECT count(*) as review_count_i, log_actor as log_actor_i
  FROM logging 
  WHERE log_type = 'review' AND log_action = 'approve-i'
  AND log_timestamp >= 20190101000000
  AND log_timestamp <= 20191231235959
  GROUP BY log_actor
) r_initial ON log_actor_i = log_actor
ORDER BY review_count DESC, review_count_i DESC
SQL

Checking query status...
