diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 4d189d0245dafdd1a3ead421ae3c9416e02aaeba..4ce2356f8ba0c32b2f03c5f6562bda02aac3d0b5 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -176,18 +176,32 @@ bool serializeExprListToVariant(SArray* pList, tVariant **dst, int16_t colType,
       break;
     }  
     if ((colType == TSDB_DATA_TYPE_BOOL || IS_SIGNED_NUMERIC_TYPE(colType))) {
+      if (var->nType != TSDB_DATA_TYPE_BOOL && !IS_SIGNED_NUMERIC_TYPE(var->nType)) {
+        break;
+      }  
       tbufWriteInt64(&bw, var->i64);        
     } else if (IS_UNSIGNED_NUMERIC_TYPE(colType)) {
+      if (IS_SIGNED_NUMERIC_TYPE(var->nType) && IS_UNSIGNED_NUMERIC_TYPE(var->nType)) {
+        break;
+      } 
       tbufWriteUint64(&bw, var->u64);        
     } else if (colType == TSDB_DATA_TYPE_DOUBLE || colType == TSDB_DATA_TYPE_FLOAT) {
       if (IS_SIGNED_NUMERIC_TYPE(var->nType) || IS_UNSIGNED_NUMERIC_TYPE(var->nType)) {
         tbufWriteDouble(&bw, (double)(var->i64));
-      } else {
+      } else if (var->nType == TSDB_DATA_TYPE_DOUBLE || var->nType == TSDB_DATA_TYPE_FLOAT){
         tbufWriteDouble(&bw, var->dKey);
+      } else {
+        break;
       }
     } else if (colType == TSDB_DATA_TYPE_BINARY) {
+      if (var->nType != TSDB_DATA_TYPE_BINARY) {
+        break;
+      }
       tbufWriteBinary(&bw, var->pz, var->nLen);
     } else if (colType == TSDB_DATA_TYPE_NCHAR) {
+      if (var->nType != TSDB_DATA_TYPE_BINARY) {
+        break;
+      }
       char   *buf = (char *)calloc(1, (var->nLen + 1)*TSDB_NCHAR_SIZE);
       if (tVariantDump(var, buf, colType, false) != TSDB_CODE_SUCCESS) {
         free(buf);
@@ -203,6 +217,8 @@ bool serializeExprListToVariant(SArray* pList, tVariant **dst, int16_t colType,
          tbufWriteInt64(&bw, var->i64);        
        } else if (var->nType == TSDB_DATA_TYPE_BIGINT) {
          tbufWriteInt64(&bw, var->i64);        
+       } else {
+         break;
        }      
     } else {
       break; 
diff --git a/tests/pytest/insert/in_function.py b/tests/pytest/insert/in_function.py
index 79599de7a71254b2d6230eb5dd6df01087fd3b2c..263c8a78aa75103c7507422e92f6e20cc0151cd0 100644
--- a/tests/pytest/insert/in_function.py
+++ b/tests/pytest/insert/in_function.py
@@ -621,65 +621,65 @@ class TDTestCase:
         tdLog.info(cmd1)
         tdSql.execute(cmd1)         
         
-        #cmd2 = 'select * from in_stable_4 where in_float in (\'888\');'
-        #tdLog.info(cmd2)
-        #tdSql.error(cmd2)
-        #try:
-        #    tdSql.execute(cmd2)
-        #    tdLog.exit("invalid operation: not supported filter condition")
-        #except Exception as e:
-        #    tdLog.info(repr(e))
-        #    tdLog.info("invalid operation: not supported filter condition") 
+        cmd2 = 'select * from in_stable_4 where in_float in (\'888\');'
+        tdLog.info(cmd2)
+        tdSql.error(cmd2)
+        try:
+            tdSql.execute(cmd2)
+            tdLog.exit("invalid operation: not supported filter condition")
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("invalid operation: not supported filter condition") 
         
-        #cmd3 = 'select * from in_stable_4 where in_double in (\'66666\');'
-        #tdLog.info(cmd3)
-        #tdSql.error(cmd3)
-        #try:
-        #    tdSql.execute(cmd3)
-        #    tdLog.exit("invalid operation: not supported filter condition")
-        #except Exception as e:
-        #    tdLog.info(repr(e))
-        #    tdLog.info("invalid operation: not supported filter condition") 
-
-        #cmd4 = 'select * from in_stable_4 where tin_float in (\'666\');'
-        #tdLog.info(cmd4)
-        #tdSql.error(cmd4)
-        #try:
-        #    tdSql.execute(cmd4)
-        #    tdLog.exit("invalid operation: not supported filter condition")
-        #except Exception as e:
-        #    tdLog.info(repr(e))
-        #    tdLog.info("invalid operation: not supported filter condition") 
+        cmd3 = 'select * from in_stable_4 where in_double in (\'66666\');'
+        tdLog.info(cmd3)
+        tdSql.error(cmd3)
+        try:
+            tdSql.execute(cmd3)
+            tdLog.exit("invalid operation: not supported filter condition")
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("invalid operation: not supported filter condition") 
+
+        cmd4 = 'select * from in_stable_4 where tin_float in (\'666\');'
+        tdLog.info(cmd4)
+        tdSql.error(cmd4)
+        try:
+            tdSql.execute(cmd4)
+            tdLog.exit("invalid operation: not supported filter condition")
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("invalid operation: not supported filter condition") 
         
-        #cmd5 = 'select * from in_stable_4 where tin_double in (\'88888\');'
-        #tdLog.info(cmd5)
-        #tdSql.error(cmd5)
-        #try:
-        #    tdSql.execute(cmd5)
-        #    tdLog.exit("invalid operation: not supported filter condition")
-        #except Exception as e:
-        #    tdLog.info(repr(e))
-        #    tdLog.info("invalid operation: not supported filter condition") 
-
-        #cmd6 = 'select * from in_float_double_1 where in_float in (\'888\');'
-        #tdLog.info(cmd6)
-        #tdSql.error(cmd6)
-        #try:
-        #    tdSql.execute(cmd6)
-        #    tdLog.exit("invalid operation: not supported filter condition")
-        #except Exception as e:
-        #    tdLog.info(repr(e))
-        #    tdLog.info("invalid operation: not supported filter condition") 
-        #
-        #cmd7 = 'select * from in_float_double_1 where in_double in (\'66666\');'
-        #tdLog.info(cmd7)
-        #tdSql.error(cmd7)
-        #try:
-        #    tdSql.execute(cmd7)
-        #    tdLog.exit("invalid operation: not supported filter condition")
-        #except Exception as e:
-        #    tdLog.info(repr(e))
-        #    tdLog.info("invalid operation: not supported filter condition") 
+        cmd5 = 'select * from in_stable_4 where tin_double in (\'88888\');'
+        tdLog.info(cmd5)
+        tdSql.error(cmd5)
+        try:
+            tdSql.execute(cmd5)
+            tdLog.exit("invalid operation: not supported filter condition")
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("invalid operation: not supported filter condition") 
+
+        cmd6 = 'select * from in_float_double_1 where in_float in (\'888\');'
+        tdLog.info(cmd6)
+        tdSql.error(cmd6)
+        try:
+            tdSql.execute(cmd6)
+            tdLog.exit("invalid operation: not supported filter condition")
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("invalid operation: not supported filter condition") 
+        
+        cmd7 = 'select * from in_float_double_1 where in_double in (\'66666\');'
+        tdLog.info(cmd7)
+        tdSql.error(cmd7)
+        try:
+            tdSql.execute(cmd7)
+            tdLog.exit("invalid operation: not supported filter condition")
+        except Exception as e:
+            tdLog.info(repr(e))
+            tdLog.info("invalid operation: not supported filter condition")