CREATE TABLE test (a INTEGER, b INTEGER, ts TIMESTAMP TIME INDEX); INSERT INTO test VALUES (11, 22, 1), (12, 21, 2), (13, 22, 3); select b from test where a = 12; SELECT b FROM test ORDER BY a DESC; SELECT a, b FROM test ORDER BY a; SELECT a, b FROM test ORDER BY a DESC; SELECT a, b FROM test ORDER BY b, a; SELECT a, b FROM test ORDER BY 2, 1; SELECT a, b FROM test ORDER BY b DESC, a; SELECT a, b FROM test ORDER BY b, a DESC; SELECT a, b FROM test ORDER BY b, a DESC LIMIT 1; SELECT a, b FROM test ORDER BY b, a DESC LIMIT 1 OFFSET 1; SELECT a, b FROM test ORDER BY b, a DESC OFFSET 1; SELECT a, b FROM test WHERE a < 13 ORDER BY b; SELECT a, b FROM test WHERE a < 13 ORDER BY 2; SELECT a, b FROM test WHERE a < 13 ORDER BY b DESC; SELECT b, a FROM test WHERE a < 13 ORDER BY b DESC; SELECT b % 2 AS f, SUM(a) FROM test GROUP BY f ORDER BY b % 2; SELECT b % 2 AS f, a FROM test ORDER BY b % 2, a; SELECT b % 2 AS f, SUM(a) FROM test GROUP BY f ORDER BY f; SELECT b % 2 AS f, SUM(a) FROM test GROUP BY f ORDER BY 1; SELECT a-10 AS k FROM test UNION SELECT a-10 AS l FROM test ORDER BY k; -- ORDER BY on alias in right-most query -- CONTROVERSIAL: SQLite allows both "k" and "l" to be referenced here, Postgres and MonetDB give an error. SELECT a-10 AS k FROM test UNION SELECT a-10 AS l FROM test ORDER BY l; -- Not compatible with duckdb, work in gretimedb SELECT a-10 AS k FROM test UNION SELECT a-10 AS l FROM test ORDER BY 1-k; -- Not compatible with duckdb, give an error in greptimedb -- TODO(LFC): Failed to meet the expected error: -- expected: -- Error: 3000(PlanQuery), Schema error: No field named 'a'. Valid fields are 'k'. SELECT a-10 AS k FROM test UNION SELECT a-10 AS l FROM test ORDER BY a-10; -- Not compatible with duckdb, give an error in greptimedb -- TODO(LFC): Failed to meet the expected error: -- expected: -- Error: 3000(PlanQuery), Schema error: No field named 'a'. Valid fields are 'k'. SELECT a-10 AS k FROM test UNION SELECT a-11 AS l FROM test ORDER BY a-11; DROP TABLE test;