cannot insert into a generated always identity column
声明是：
INSERT INTO leaves_approval
SELECT *
FROM requests_temp r
WHERE r.civil_number = 33322
AND r.request_id = (SELECT Max(s.request_id)
FROM requests_temp s)
INSERT INTO LEAVES_APPROVAL(col1,col2,col3,. . .)
SELECT col1,. . .
FROM REQUESTS_TEMP r
WHERE r.CIVIL_NUMBER = 33322 AND
r.REQUEST_ID = (SELECT MAX(s.REQUEST_ID) FROM REQUESTS_TEMP s);
