Number of categorymembers per year and month

Fork of Number of categorymembers per year by André Costa (WMSE)

This query is marked as a draft This query has been published by André Costa (WMSE).

The number of members of a specific category grouped by the year and month they were added. Members of subcategories are not included.

SQL

SELECT EXTRACT(YEAR_MONTH FROM cl_timestamp) AS year_and_month, COUNT(DISTINCT(cl_from)) AS num_files FROM categorylinks
WHERE cl_to="Uploaded_with_pattypan" AND cl_type="file"
GROUP BY EXTRACT(YEAR_MONTH FROM cl_timestamp) ASC

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