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CREATE TABLE sold_logs (`id` INTEGER, `salesperson_id` INTEGER, `salesperson_two_id` INTEGER, `sold_date` DATE); INSERT INTO sold_logs (`id`, `salesperson_id`, `salesperson_two_id`, `sold_date`) VALUES ('1', '5', null, '2022-07-02'), ('2', '3', '5', '2022-07-18'), ('3', '4', null, '2022-07-16'), ('4', '5', '3', '2022-07-12'), ('5', '3', '5', '2022-07-17'), ('6', '5', null, '2022-07-18');
SELECT salesperson_id, SUM(CASE WHEN salesperson_two_id IS NULL THEN 1 ELSE 0.5 END) totalDeals FROM ( SELECT salesperson_id, salesperson_two_id, sold_date FROM sold_logs UNION ALL SELECT salesperson_two_id, salesperson_id, sold_date FROM sold_logs WHERE salesperson_two_id IS NOT NULL ) t WHERE MONTH(sold_date) = 7 AND YEAR(sold_date) = 2022 GROUP BY salesperson_id ORDER BY totalDeals DESC;
salesperson_id
totalDeals
5
3.5
3
1.5
4
1.0