Reused Images from Wiki Loves Africa 2017 in Côte d'Ivoire

SQL

# Inspired Jan Ainali (WMSE) querry: https://quarry.wmflabs.org/query/4646
USE commonswiki_p;
SELECT /* SLOW_OK */
                COUNT(page.page_title) AS total_usage,
                COUNT(DISTINCT CONCAT(gil.gil_wiki, gil.gil_page)) AS different_pages,
                COUNT(DISTINCT page.page_title) AS images_used,
                COUNT(DISTINCT gil.gil_wiki) AS different_projects
            FROM image
            LEFT JOIN page ON image.img_name = page.page_title
            LEFT JOIN categorylinks ON page.page_id = categorylinks.cl_from
            LEFT JOIN globalimagelinks gil ON gil.gil_to = image.img_name
            WHERE
                (categorylinks.cl_to = "Images_from_Wiki_Loves_Africa_2017_in_Côte_d'Ivoire")
                # Filter within the range 30 October and 30 November 2017
                AND img_timestamp AFTER 20170930000000 
                AND gil.gil_page_namespace_id = 0
SQL

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