coalesce не работает

const queryForUpdatePerson = `
                    UPDATE person
                    SET user_name=COALESCE($1, person.user_name),
                    full_name=COALESCE($2, person.full_name),
                    email=COALESCE($3, person.email),
                    password=COALESCE($4, person.password),
                    avatar=COALESCE($5, person.avatar),
                    description=COALESCE($6, person.description)
                    WHERE id = $7 RETURNING *
                `;
                const updatePerson = db.query(queryForUpdatePerson, [userName, fullName, email, password, avatar, description, id]);

{
  id: -1,
  user_name: 'alexey',
  full_name: null,
  email: null,
  avatar: null,
  description: null,
  password: null,
  oldPassword: null,
  newPassword: null,
  roles: [ '' ]
}