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WITH RECURSIVE cte_1 AS ( SELECT DATE('2005-07-01') AS date UNION ALL SELECT date + INTERVAL 1 DAY FROM cte_1 WHERE date + INTERVAL 1 DAY <= DATE('2005-07-31') ) SELECT COUNT(*) AS weekend_days FROM cte_1 WHERE DAYOFWEEK(date) IN (1, 7); ; show status like 'Last_query_cost';

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