fix(query): avg fix case error

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

@@ -434,36 +434,36 @@ class TDTestCase:
         tdSql.execute(f"create database if not exists db")
         time.sleep(3)
         tdSql.execute(f"use db")
-        tdSql.execute(f"create table st(ts timestamp, ibv bigint, ubv bigint unsigned) tags(area int)")
+        tdSql.execute(f"create table db.st(ts timestamp, ibv bigint, ubv bigint unsigned) tags(area int)")
         # insert t1 data
-        tdSql.execute(f"insert into t1 using st tags(1) values(now,9223372036854775801,18446744073709551611)")
-        tdSql.execute(f"insert into t1 using st tags(1) values(now,8223372036854775801,17446744073709551611)")
-        tdSql.execute(f"insert into t1 using st tags(1) values(now,7223372036854775801,16446744073709551611)")
+        tdSql.execute(f"insert into db.t1 using db.st tags(1) values(now,9223372036854775801,18446744073709551611)")
+        tdSql.execute(f"insert into db.t1 using db.st tags(1) values(now,8223372036854775801,17446744073709551611)")
+        tdSql.execute(f"insert into db.t1 using db.st tags(1) values(now,7223372036854775801,16446744073709551611)")
         # insert t2 data
-        tdSql.execute(f"insert into t2 using st tags(2) values(now,9223372036854775801,18446744073709551611)")
-        tdSql.execute(f"insert into t2 using st tags(2) values(now,8223372036854775801,17446744073709551611)")
-        tdSql.execute(f"insert into t2 using st tags(2) values(now,7223372036854775801,16446744073709551611)")
+        tdSql.execute(f"insert into db.t2 using db.st tags(2) values(now,9223372036854775801,18446744073709551611)")
+        tdSql.execute(f"insert into db.t2 using db.st tags(2) values(now,8223372036854775801,17446744073709551611)")
+        tdSql.execute(f"insert into db.t2 using db.st tags(2) values(now,7223372036854775801,16446744073709551611)")
         
         # check single table answer
-        tdSql.query(f"select avg(ibv), avg(ubv) from t1")
+        tdSql.query(f"select avg(ibv), avg(ubv) from db.t1")
         tdSql.checkRows(1)
         tdSql.checkData(0, 0,8.223372036854776e+18)
         tdSql.checkData(0, 1,1.744674407370955e+19)
 
         # check super table
-        tdSql.query(f"select avg(ibv), avg(ubv) from st")
+        tdSql.query(f"select avg(ibv), avg(ubv) from db.st")
         tdSql.checkRows(1)
         tdSql.checkData(0, 0,8.223372036854776e+18)
         tdSql.checkData(0, 1,1.744674407370955e+19)
 
         # check child query
-        tdSql.query(f"select avg(ibv), avg(ubv) from (select * from st)")
+        tdSql.query(f"select avg(ibv), avg(ubv) from (select * from db.st)")
         tdSql.checkRows(1)
         tdSql.checkData(0, 0,8.223372036854776e+18)
         tdSql.checkData(0, 1,1.744674407370955e+19)
 
         # check group by
-        tdSql.query(f"select avg(ibv), avg(ubv) from st group by tbname")
+        tdSql.query(f"select avg(ibv), avg(ubv) from db.st group by tbname")
         tdSql.checkRows(2)
         tdSql.checkData(0, 0,8.223372036854776e+18)
         tdSql.checkData(0, 1,1.744674407370955e+19)