diff --git a/tests/script/general/parser/columnValue_unsign.sim b/tests/script/general/parser/columnValue_unsign.sim
index 22ef5c42a38bc67e3b4cb4a7705bd95344ab09fd..895b13961ef729544a9ac14c85e4e37e6f723423 100644
--- a/tests/script/general/parser/columnValue_unsign.sim
+++ b/tests/script/general/parser/columnValue_unsign.sim
@@ -106,4 +106,70 @@ if $data01 != 1 then
   return -1
 endi
 
-sql select a+b+c from mt_unsigned_1 where a is null;
\ No newline at end of file
+sql select a+b+c from mt_unsigned_1 where a is null;
+if $rows != 1 then
+  return -1
+endi
+
+if $data00 != 6.000000000 then
+  return -1
+endi
+
+sql select count(*), a from mt_unsigned_1 group by a;
+if $rows != 1 then
+  return -1
+endi
+
+if $data00 != 1 then
+  return -1
+endi
+
+if $data01 != 1 then
+  return -1
+endi
+
+sql select count(*), b from mt_unsigned_1 group by b;
+if $rows != 1 then
+  return -1
+endi
+
+if $data00 != 1 then
+  return -1
+endi
+
+if $data01 != 2 then
+  return -1
+endi
+
+sql select count(*), c from mt_unsigned_1 group by c;
+if $rows != 1 then
+  return -1
+endi
+
+if $data00 != 1 then
+  return -1
+endi
+
+if $data01 != 3 then
+  return -1
+endi
+
+sql select count(*), d from mt_unsigned_1 group by d;
+if $rows != 1 then
+  return -1
+endi
+
+if $data00 != 1 then
+  return -1
+endi
+
+if $data01 != 4 then
+  return -1
+endi
+
+// todo insert more rows and chec it
+sql select first(a),count(b),last(c),sum(b),spread(d),avg(c),min(b),max(a),stddev(a) from mt_unsigned_1;
+if $rows != 1 then
+  return -1
+endi
+
diff --git a/tests/script/general/parser/function.sim b/tests/script/general/parser/function.sim
index 4b19ec8d5dc2b2cce8a9e6ab6232b4aaaf1caa13..7d702e989e6f816832adbd92507efbef68fdb088 100644
--- a/tests/script/general/parser/function.sim
+++ b/tests/script/general/parser/function.sim
@@ -227,7 +227,7 @@ sql select twa(k),avg(k),count(1) from t1 where ts>='2015-8-18 00:00:00' and ts<
 sql select twa(k),avg(k),count(1) from t1 where ts>='2015-8-18 00:00:00' and ts<='2015-8-18 00:30:00' interval(10m) order by ts desc
 
 
-#todo add test case while column filter exists.
+#todo add test case while column filter exists for twa query
 
 #sql select count(*),TWA(k) from tm0 where ts>='1970-1-1 13:43:00' and ts<='1970-1-1 13:44:10' interval(9s)