[TD-2109] <test> add test case

tests/pytest/insert/insertFromCSVOurofOrder.py

+###################################################################
+#           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
+import taos
+from util.log import tdLog
+from util.cases import tdCases
+from util.sql import tdSql
+import time
+import datetime
+import csv
+import random
+import pandas as pd
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+        self.ts = 1500074556514                  
+    
+    def writeCSV(self):
+        with open('test3.csv','w', encoding='utf-8', newline='') as csvFile:
+            writer = csv.writer(csvFile, dialect='excel')
+            for i in range(1000000):
+                newTimestamp = self.ts + random.randint(10000000, 10000000000) + random.randint(1000, 10000000) + random.randint(1, 1000)
+                d = datetime.datetime.fromtimestamp(newTimestamp / 1000)
+                dt = str(d.strftime("%Y-%m-%d %H:%M:%S.%f"))
+                writer.writerow(["'%s'" % dt, random.randint(1, 100), random.uniform(1, 100), random.randint(1, 100), random.randint(1, 100)])
+    
+    def removCSVHeader(self):
+        data = pd.read_csv("ordered.csv")
+        data = data.drop([0])
+        data.to_csv("ordered.csv", header = False, index = False)
+
+    def run(self):
+        tdSql.prepare()
+        
+        tdSql.execute("create table t1(ts timestamp, c1 int, c2 float, c3 int, c4 int)")
+        startTime = time.time()
+        tdSql.execute("insert into t1 file 'outoforder.csv'")
+        duration = time.time() - startTime
+        print("Out of Order - Insert time: %d" % duration)
+        tdSql.query("select count(*) from t1")
+        rows = tdSql.getData(0, 0)
+        
+        tdSql.execute("create table t2(ts timestamp, c1 int, c2 float, c3 int, c4 int)")
+        startTime = time.time()
+        tdSql.execute("insert into t2 file 'ordered.csv'")
+        duration = time.time() - startTime
+        print("Ordered - Insert time: %d" % duration)
+        tdSql.query("select count(*) from t2")
+        tdSql.checkData(0,0, rows)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
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