diff --git a/src/common/inc/tname.h b/src/common/inc/tname.h
index 9c8e31a9131d0d9ffa3d4cb71e813e3d2a34f2b7..6c4b54ec3cfb2f46acf5341ecda7015035866e59 100644
--- a/src/common/inc/tname.h
+++ b/src/common/inc/tname.h
@@ -54,8 +54,8 @@ typedef struct SSqlExpr {
   int32_t   resBytes;       // length of return value
   int32_t   interBytes;     // inter result buffer size
 
-  int16_t   colType;        // table column type, this should be int32_t, because it is too small for globale merge stage, pQueryAttr->interBytesForGlobal
-  int16_t   colBytes;       // table column bytes
+  int16_t   colType;        // table column type
+  int16_t   colBytes;       // table column bytes,it should be int32_t, because it is too small for globale merge stage, pQueryAttr->interBytesForGlobal
 
   int16_t   numOfParams;    // argument value of each function
   tVariant  param[3];       // parameters are not more than 3
diff --git a/tests/parallel_test/cases.task b/tests/parallel_test/cases.task
index 846e3678ea67b90ba75bcc33970b43eff5b1a926..20e9f5df55f8b50bc2dd8e6e3750ff26bd89a151 100644
--- a/tests/parallel_test/cases.task
+++ b/tests/parallel_test/cases.task
@@ -795,5 +795,6 @@
 3,,script,./test.sh -f general/compute/scalar_str_concat_len.sim
 3,,develop-test,python3 ./test.py -f 2-query/function_tail.py
 2,,develop-test,python3 ./test.py -f 2-query/function_unique.py
+2,,develop-test,python3 ./test.py -f 2-query/function_hll.py
 1,,develop-test,python3 ./test.py -f 2-query/function_state.py
 1,,develop-test,python3 ./test.py -f 5-taos-tools/taosbenchmark/demo.py