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create table test(date date, balance int);
insert into test(date, balance) values('2023-01-01', 300),
('2023-01-02', -200),
('2023-01-03', -60),
('2023-01-04', 50),
('2023-01-05', -100),
('2023-01-01', -200),
('2023-01-05', 200),
('2023-01-06', -100),
('2023-01-07', -100),
('2023-01-08', -100),
('2023-01-09', -100),
('2023-01-09', -100),
('2023-01-10', -100);
select date, sum(balance) from test group by date order by date;
WITH cte AS (
SELECT SUM(CASE WHEN balance < 0 THEN 0 ELSE 1 END)
OVER (ORDER BY date) grp
FROM test
)
SELECT COUNT(*) - 1 max_cnt
FROM cte
GROUP BY grp
ORDER BY 1 DESC LIMIT 1;
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