search in subcategories (deph=6)

This query is marked as a draft This query has been published by דוד כהן1.

returning the titles of all pages in all subcategories of a catogry, in depth=6

SQL

use hewiki_p;
select distinct page_title from categorylinks inner join page on page_id = cl_from
where (
  (cl_to = 'מאובני_טקסונים_שתוארו_לפי_זמן'
  OR
  cl_to IN (select page_title from page inner join categorylinks on cl_from = page_id where cl_to = 'מאובני_טקסונים_שתוארו_לפי_זמן' and cl_type = 'subcat' )
  OR
  cl_to IN (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to = 'מאובני_טקסונים_שתוארו_לפי_זמן' and cl_type = 'subcat' ) and cl_type = 'subcat' )
  OR
  cl_to IN (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to = 'מאובני_טקסונים_שתוארו_לפי_זמן' and cl_type = 'subcat' ) and cl_type = 'subcat' ) and cl_type = 'subcat' )
  OR
  cl_to IN (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to = 'מאובני_טקסונים_שתוארו_לפי_זמן' and cl_type = 'subcat' ) and cl_type = 'subcat' ) and cl_type = 'subcat' ) and cl_type = 'subcat' )
  OR
  cl_to IN (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to = 'מאובני_טקסונים_שתוארו_לפי_זמן' and cl_type = 'subcat' ) and cl_type = 'subcat' ) and cl_type = 'subcat' ) and cl_type = 'subcat' ) and cl_type = 'subcat' )
  OR
  cl_to IN (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to in (select page_title from page inner join categorylinks on cl_from = page_id where cl_to = 'מאובני_טקסונים_שתוארו_לפי_זמן' and cl_type = 'subcat' ) and cl_type = 'subcat' ) and cl_type = 'subcat' ) and cl_type = 'subcat' ) and cl_type = 'subcat' ) and cl_type = 'subcat' )
  )
  and page_namespace=0
)

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