TOP reviewers pl all-time

SQL

USE plwiki_p;

SET @row_num = 0; 
SET @row_num2 = 0; 
SET @row_num3 = 0; 

SELECT (@row_num:= @row_num + 1) as number,
blaaaaa.*
FROM
(

SELECT actor_name, review_count
, IFNULL(review_count_i, 0) as review_count_intial
, review_count + IFNULL(review_count_i, 0) as review_count_total
, cast(review_count as double) * 100000.0 + cast(IFNULL(review_count_i, 0) as double) as review_count_power
FROM
-- next reviews
(
  SELECT 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

) as blaaaaa
ORDER BY review_count_power
SQL

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