JJPMaster's test query

SQL

USE enwiki_p;
SELECT p.page_id, p.page_len, CONCAT("File:",p.page_title) as page_title, img_timestamp FROM page p 
INNER JOIN categorylinks c ON c.cl_from = p.page_id AND c.cl_to =  'Files_with_no_machine-readable_source'
LEFT JOIN categorylinks cnot ON cnot.cl_from = p.page_id AND cnot.cl_to
IN ('Wikipedia_files_tagged_as_own_work' 

   )

                                            ) 
JOIN image on img_timestamp < 20050918000000 and page_title = img_name
WHERE t.tl_from IS NULL
AND cnot.cl_from IS NULL
AND p.page_namespace = 6
AND p.page_id < 2697778
SQL

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