Tewiki: Articles where a user contributed +50%

SQL

USE tewiki_p;
SELECT actor_name, actor_user,
	count(actor_name) as Edit_count, 
    SUM(abs(CAST(rev.rev_len as signed)-if(rev.rev_parent_id=0,0,CAST(parent.rev_len as signed)))) AS Gross_byte_count, 
    SUM(CAST(rev.rev_len as signed)-if(rev.rev_parent_id=0,0,CAST(parent.rev_len as signed))) AS nett_byte_count,
    SUM(CAST(rev.rev_len as unsigned)) AS nett_byte_count1,
    SUM(CAST(rev.rev_len as signed)) AS nett_byte_count2
    
FROM revision rev
left join actor ON actor_id = rev.rev_actor
left JOIN revision parent
ON parent.rev_id = rev.rev_parent_id
left JOIN page
ON page_id = rev.rev_page
WHERE page_namespace = 0
--    and substr(rev.rev_timestamp,1,4)="2020"
    AND actor_name ="Chaduvari"
SQL

Checking query status...
