MERGE ... RETURNING - Postgres 17 İle Geliyor

Giriş

Açıklaması şöyle

You can now use it MERGE ... RETURNING to retrieve rows that were inserted, updated, or deleted—all in one go.

Örnek

Şöyle yaparız

MERGE INTO employees AS e
USING new_data AS d
ON e.id = d.id
WHEN MATCHED THEN
  UPDATE SET salary = d.salary
WHEN NOT MATCHED THEN
  INSERT (id, salary) VALUES (d.id, d.salary)
RETURNING *;