upsert([ [ 'public_employee_number' => '01155902', 'last_name' => 'DOE', 'first_name' => 'John', 'start_date' => '2024-01-15', 'end_date' => null, 'planned_end_date' => null, 'establishment' => '01', 'site' => 'LDCSER', 'service' => '097', 'created_at' => $timestamp, 'updated_at' => $timestamp, ], [ 'public_employee_number' => '1234567', 'last_name' => 'MARTIN', 'first_name' => 'Alice', 'start_date' => '2024-01-08', 'end_date' => null, 'planned_end_date' => null, 'establishment' => 'LY', 'site' => 'LDCSER', 'service' => '101', 'created_at' => $timestamp, 'updated_at' => $timestamp, ], [ 'public_employee_number' => '2345678', 'last_name' => 'DUPONT', 'first_name' => 'Louis', 'start_date' => '2023-05-15', 'end_date' => null, 'planned_end_date' => '2026-12-31', 'establishment' => 'PA', 'site' => 'SLELA', 'service' => '097', 'created_at' => $timestamp, 'updated_at' => $timestamp, ], [ 'public_employee_number' => '3456789', 'last_name' => 'BERNARD', 'first_name' => 'Nora', 'start_date' => '2022-09-01', 'end_date' => null, 'planned_end_date' => null, 'establishment' => 'BO', 'site' => 'DDE', 'service' => '205', 'created_at' => $timestamp, 'updated_at' => $timestamp, ], ], ['public_employee_number'], [ 'last_name', 'first_name', 'start_date', 'end_date', 'planned_end_date', 'establishment', 'site', 'service', 'updated_at', ]); } }