직원정보수정오류 해결

backend/api/employee/[id]/update.put.ts

@@ -2,6 +2,9 @@ import { execute, queryOne } from '../../../utils/db'
 import { getClientIp } from '../../../utils/ip'
 import { getCurrentUserEmail } from '../../../utils/user'
 
+// 빈 문자열을 null로 변환 (date 타입 등에서 필요)
+const emptyToNull = (value: any) => (value === '' ? null : value)
+
 interface UpdateEmployeeBody {
   employeeName?: string
   employeePhone?: string
@@ -43,10 +46,10 @@ export default defineEventHandler(async (event) => {
     WHERE employee_id = $9
   `, [
     body.employeeName ?? existing.employee_name,
-    body.employeePhone ?? existing.employee_phone,
-    body.employeePosition ?? existing.employee_position,
+    emptyToNull(body.employeePhone) ?? existing.employee_phone,
+    emptyToNull(body.employeePosition) ?? existing.employee_position,
     body.company ?? existing.company,
-    body.joinDate ?? existing.join_date,
+    emptyToNull(body.joinDate) ?? existing.join_date,
     body.isActive ?? existing.is_active,
     clientIp,
     userEmail,