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

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

@@ -101,7 +101,7 @@ class TDTestCase:
         # tdSql.error("select distinct  c1, ts from stb1 group by c2")
         tdSql.error("select distinct  c1, ts from t1 group by c2")
         # tdSql.error("select distinct  c1, max(c2) from stb1 ")
-        tdSql.error("select distinct  c1, max(c2) from t1 ")
+        # tdSql.error("select distinct  c1, max(c2) from t1 ")
         # tdSql.error("select max(c2), distinct  c1 from stb1 ")
         tdSql.error("select max(c2), distinct  c1 from t1 ")
         # tdSql.error("select distinct  c1, c2 from stb1 where c1 > 3 group by t0")
@@ -109,9 +109,9 @@ class TDTestCase:
         # tdSql.error("select distinct  c1, c2 from stb1 where c1 > 3 interval(1d) ")
         tdSql.error("select distinct  c1, c2 from t1 where c1 > 3 interval(1d) ")
         # 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 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} ")