ckb translations by user

SQL

use ckbwiki_p;
select concat(substr(rev_timestamp,5,2),"-",substr(rev_timestamp,1,4)) as month_year,actor_name as user,count(actor_name) as No_of_articles, sum(rev_len) as Bytes
from
    change_tag,change_tag_def,revision,page,actor
where ct_tag_id = ctd_id
	and rev_id=ct_rev_id
    and page_id=rev_page
    and page_namespace=0
    and page_is_redirect=0
    and actor_id=rev_actor
	and ctd_name = "contenttranslation-v2" 
    and rev_parent_id=0
    and substr(rev_timestamp,1,4)>"2017"
    group by month_year,actor_name
    order by month_year desc,No_of_articles desc, Bytes desc
SQL

Checking query status...
