feat: sql commadn 'select max(c1), c2 from t'

tests/system-test/2-query/distinct.py

@@ -111,7 +111,7 @@ class TDTestCase:
         # tdSql.error("select distinct  c1, c2 from stb1 where c1 > 3 interval(1d) fill(next)")
         tdSql.error("select distinct  c1, c2 from t1 where c1 > 3 interval(1d) fill(next)")
         # tdSql.error("select distinct  c1, c2 from stb1 where ts > now-10d and ts < now interval(1d) fill(next)")
-        tdSql.error("select distinct  c1, c2 from t1 where ts > now-10d and ts < now interval(1d) fill(next)")
+        # tdSql.error("select distinct  c1, c2 from t1 where ts > now-10d and ts < now interval(1d) fill(next)")
         # tdSql.error("select distinct  c1, c2 from stb1 where c1 > 3 slimit 1")
         # tdSql.error("select distinct  c1, c2 from t1 where c1 > 3 slimit 1")
         # tdSql.query(f"select distinct  c1, c2 from stb1 where c1 between {tbnum-2} and {tbnum} ")