Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
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create table product (id int, name varchar(64));
insert into product values (1, 'a1'), (2, 'a2');
create table history (prod_id int references a(id), date datetime, status int);
insert into history values
(1, '2022-01-01', 1),
(1, '2022-01-02', 2),
(1, '2022-01-03', 3),
(2, '2022-01-01', 3),
(2, '2022-01-02', 2);
select *
from product,
lateral (select * from history where history.prod_id = product.id order by date desc limit 1) m;
SELECT p.*, h.date, h.status
FROM product p
LEFT JOIN history h ON p.id = h.prod_id
ORDER BY h.date;
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