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WITH incom_staff AS ( SELECT year(p.payment_date) AS income_year, s.staff_id, concat(s.last_name, ' ', s.first_name) AS staff, p.amount FROM payment p JOIN staff s ON p.staff_id = s.staff_id ) SELECT CASE WHEN grouping(i.income_year) = 1 THEN 'Total' ELSE CAST(i.income_year AS char) END AS income_year, CASE WHEN GROUPING(i.staff) = 1 AND GROUPING(i.income_year) = 0 then 'Year total' WHEN GROUPING(i.staff) = 1 THEN '' ELSE i.staff END AS staff, sum(i.amount) AS total_payments FROM incom_staff AS i GROUP BY i.income_year, i.staff WITH ROLLUP ; show status like 'Last_query_cost';

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