[TD-12145]<test> add test case for nest query for select key timestamp in some sense

tests/system-test/2-query/TD-12145.py

+###################################################################
+#           Copyright (c) 2020 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 -*-
+
+from posixpath import split
+import sys
+import os 
+
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+import subprocess
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+        
+        self.ts = 1420041600000 # 2015-01-01 00:00:00  this is begin time for first record
+        self.num = 10
+
+    def getBuildPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("community")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+
+        for root, dirs, files in os.walk(projPath):
+            if ("taosd" in files):
+                rootRealPath = os.path.dirname(os.path.realpath(root))
+                if ("packaging" not in rootRealPath):
+                    buildPath = root[:len(root) - len("/build/bin")]
+                    break
+        return buildPath
+
+
+    def caseDescription(self):
+
+        '''
+        case1 <author>:wenzhouwww [TD-12145] : 
+            this test case is an test case for support  nest query to  select key timestamp col  in outer query ;
+        ''' 
+        return 
+   
+    def run(self):
+        tdSql.prepare()
+        tdSql.execute("create database if not exists testdb keep 36500;")
+        tdSql.execute("use testdb;")
+        tdSql.execute("create stable st (ts timestamp , id int , value double) tags(hostname binary(10) ,ind int);")
+        for i in range(self.num):
+            tdSql.execute("insert into tb%s using st tags('host_%s' , %d) values (%d , %d , %f );"%(str(i),str(i),i*10,self.ts+100*i,i*2,i+10.00))
+            tdSql.execute("insert into tb%s using st tags('host_%s' , %d) values (%d , %d , %f );"%(str(i),str(i),i*10,self.ts+200*i,i*2,i+10.00))
+            tdSql.execute("insert into tb%s using st tags('host_%s' , %d) values (%d , %d , %f );"%(str(i),str(i),i*10,self.ts+300*i,i*2,i+10.00))
+            tdSql.execute("insert into tb%s using st tags('host_%s' , %d) values (%d , %d , %f );"%(str(i),str(i),i*10,self.ts+10000*i,i*2,i+10.00))
+
+        tdSql.query('select ts ,max(value) from st;')
+        tdSql.checkRows(1)
+        tdSql.checkData(0,1,19)
+
+        tdSql.error('select ts ,max(value) from (select * from st);')
+        tdSql.error('select ts ,max(value) from (select ts ,value from st);')
+        tdSql.error('select ts ,elapsed(ts) from (select ts ,value from st);')
+        tdSql.query('select ts  from (select ts ,value from tb1);')
+        tdSql.checkRows(4)
+        tdSql.query('select ts, value from (select * from tb1);')
+        tdSql.checkRows(4)
+        tdSql.error('select _c0,max(value) from (select ts ,value from tb1);')
+        tdSql.query('select max(value) from (select ts ,value from tb1);')
+        tdSql.checkRows(1)
+        tdSql.query('select ts,max(value) from (select csum(value) value from tb1);')
+        tdSql.checkRows(1)
+        tdSql.query('select ts,max(value) from (select diff(value) value from tb1);')
+        tdSql.checkRows(1)
+        tdSql.query('select ts ,max(value) from (select csum(value) value from st group by tbname);')
+        tdSql.checkRows(1)
+        tdSql.checkData(0,1,76)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
+
+

tests/system-test/fulltest-query.sh

 python3 ./test.py -f 2-query/ts_hidden_column.py
 python3 ./test.py -f 2-query/union-order.py
-python3 ./test.py -f 2-query/TD-12165.py 
\ No newline at end of file
+python3 ./test.py -f 2-query/TD-12165.py
+python3 ./test.py -f 2-query/TD-12145.py
\ No newline at end of file