diff --git a/tests/pytest/insert/bool.py b/tests/pytest/insert/bool.py
index 062563f4ab84c9e09ea3ed08ced60fac53b1add8..c175afd8b556f0a9e82c23c4a6d62eacf45a0f70 100644
--- a/tests/pytest/insert/bool.py
+++ b/tests/pytest/insert/bool.py
@@ -58,6 +58,14 @@ class TDTestCase:
         tdSql.query('select * from tb order by ts desc')
         tdLog.info('tdSql.checkRow(6)')
         tdSql.checkRows(6)
+        tdLog.info('=============== step7')
+        tdLog.info("insert into tb values (now+6m, true)")
+        tdSql.execute("insert into tb values (now+5m, true)")
+        tdLog.info('select * from tb order by ts desc')
+        tdSql.query('select * from tb order by ts desc')
+        tdLog.info('tdSql.checkRow(7)')
+        tdSql.checkRows(7)
+# convert end
 # convert end
 
     def stop(self):
diff --git a/tests/pytest/table/tablename-boundary.py b/tests/pytest/table/tablename-boundary.py
new file mode 100644
index 0000000000000000000000000000000000000000..335073065c5a5b6af82469c967bac1df623d5e5a
--- /dev/null
+++ b/tests/pytest/table/tablename-boundary.py
@@ -0,0 +1,46 @@
+# -*- coding: utf-8 -*-
+
+import sys
+import string
+import random
+import subprocess
+from util.log import *
+from util.cases import *
+from util.sql import *
+
+
+class TDTestCase:
+    def init(self, conn):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+
+    def run(self):
+        tdSql.prepare()
+
+        getTableNameLen = "grep -w '#define TSDB_TABLE_NAME_LEN' ../../src/inc/taosdef.h|awk '{print $3}'"
+        tableNameMaxLen = int(
+            subprocess.check_output(
+                getTableNameLen, shell=True))
+        tdLog.info("table name max length is %d" % tableNameMaxLen)
+        chars = string.ascii_uppercase + string.ascii_lowercase
+        tb_name = ''.join(random.choices(chars, k=tableNameMaxLen))
+        tdLog.info('tb_name length %d' % len(tb_name))
+        tdLog.info('create table %s (ts timestamp, value int)' % tb_name)
+        tdSql.error(
+            'create table %s (ts timestamp, speed binary(4089))' %
+            tb_name)
+
+        tb_name = ''.join(random.choices(chars, k=191))
+        tdLog.info('tb_name length %d' % len(tb_name))
+        tdLog.info('create table %s (ts timestamp, value int)' % tb_name)
+        tdSql.execute(
+            'create table %s (ts timestamp, speed binary(4089))' %
+            tb_name)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())