From 50d9a1c5a5f3ab85c3b90db96c55f16b360e1e10 Mon Sep 17 00:00:00 2001
From: bryanchang0603 <changb9@mcmaster.ca>
Date: Mon, 31 May 2021 11:11:02 +0800
Subject: [PATCH 1/2] [TD-4439] add test case

---
 tests/pytest/fulltest.sh                    |  1 +
 tests/pytest/insert/insert_before_use_db.py | 35 +++++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 tests/pytest/insert/insert_before_use_db.py

diff --git a/tests/pytest/fulltest.sh b/tests/pytest/fulltest.sh
index be2cfee04b..c93fbc5eb3 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 0000000000..94ee83b691
--- /dev/null
+++ b/tests/pytest/insert/insert_before_use_db.py
@@ -0,0 +1,35 @@
+###################################################################
+#           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)')
+        
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

From 39342aec9b2cee57fe5d5d29520b749360418a2d Mon Sep 17 00:00:00 2001
From: bryanchang0603 <changb9@mcmaster.ca>
Date: Mon, 31 May 2021 11:16:56 +0800
Subject: [PATCH 2/2] [TD-4439] moldifying the test case

---
 tests/pytest/insert/insert_before_use_db.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/pytest/insert/insert_before_use_db.py b/tests/pytest/insert/insert_before_use_db.py
index 94ee83b691..8cc02b3d4b 100644
--- a/tests/pytest/insert/insert_before_use_db.py
+++ b/tests/pytest/insert/insert_before_use_db.py
@@ -24,6 +24,10 @@ class TDTestCase:
 
     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):