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create table atendimento_regulacao(id int, vinculo_id int, data date)
create table vinculo(id int,usuario_id varchar(25))
INSERT INTO vinculo VALUES(1,2)
INSERT INTO atendimento_regulacao VALUES(5,1,'2019-07-01');
SELECT v.id, a.data start, case when count(*) is null then null end title
FROM atendimento_regulacao a
RIGHT JOIN vinculo v
ON v.id = a.vinculo_id
AND a.data = '2019-07-02'
GROUP BY v.usuario_id, a.data
| id | start | title |
|---|---|---|
| 1 | null | null |