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

SQL

AخA
 
select SUM(abs(CAST(rev1.rev_len as signed)-if(rev1.rev_parent_id=0,0,CAST(parent1.rev_len as signed)))) from revision rev1
    left JOIN revision parent1
    ON parent1.rev_id = rev1.rev_parent_id
    left JOIN page p1
    ON p1.page_id = rev1.rev_page
    WHERE  
     p1.page_namespace = 0
    and p1.page_title= "మహాత్మా_గాంధీ"
    group by rev1.rev_page
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