Hrwiki year articles summary

SQL

use hrwiki_p;

select 
	regexp_substr(page_title, '.*_u_'), 
	sum(page_is_new) as new, count(case when pl_from is null then 1 end) as trivial_links, count(*) as total
from page
left join
    (
      select distinct pl_from 
      from page
      inner join pagelinks on pl_title = page_title # Target page actually exists
      where pl_from_namespace = 0 and pl_namespace = 0 and page_namespace = 0 and page_is_redirect = 0
      and pl_title regexp '^[[:digit:]]+\.$' = 0 and pl_title regexp '.*_u_[[:digit:]]+\.$' = 0 and pl_title not like '%stoljeću'
    ) pl on pl_from = page_id
where
  page_namespace = 0
  and page_is_redirect = 0
  and page_title regexp '.*_u_[[:digit:]]+\.$' = 1 and page_title not like 'Popis%'
group by regexp_substr(page_title, '.*_u_') with rollup
SQL

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