diff --git a/tests/pytest/fulltest.sh b/tests/pytest/fulltest.sh
index be2cfee04b2e2405804fad8d24b77759b6f79b13..c93fbc5eb3803a22b7a8bc99fe420bab3fb3f0c2 100755
--- a/tests/pytest/fulltest.sh
+++ b/tests/pytest/fulltest.sh
@@ -334,5 +334,6 @@ python3 ./test.py -f tag_lite/alter_tag.py
 
 python3 test.py -f tools/taosdemoAllTest/taosdemoTestInsertWithJson.py 
 python3 test.py -f tools/taosdemoAllTest/taosdemoTestQueryWithJson.py
+python3 test.py -f insert/insert_before_use_db.py
 
 #======================p4-end===============
diff --git a/tests/pytest/insert/insert_before_use_db.py b/tests/pytest/insert/insert_before_use_db.py
new file mode 100644
index 0000000000000000000000000000000000000000..8cc02b3d4bde3fc6465c6011ade24fd8d15818be
--- /dev/null
+++ b/tests/pytest/insert/insert_before_use_db.py
@@ -0,0 +1,39 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+from util.log import *
+from util.cases import *
+from util.sql import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+    def run(self):
+        tdSql.error('insert into tb values (now + 10m, 10)')
+        tdSql.prepare()
+        tdSql.error('insert into tb values (now + 10m, 10)')
+        tdSql.execute('drop database db')
+        tdSql.error('insert into tb values (now + 10m, 10)')
+        
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())