[TD-4312]<test>: add testcase of nested query with interval function

tests/pytest/query/nestedQuery/insertData.json

+{
+    "filetype": "insert",
+    "cfgdir": "/etc/taos",
+    "host": "127.0.0.1",
+    "port": 6030,
+    "user": "root",
+    "password": "taosdata",
+    "thread_count": 4,
+    "thread_count_create_tbl": 4,
+    "result_file":"./insert_res.txt",
+    "confirm_parameter_prompt": "no",   
+    "insert_interval": 0,
+    "interlace_rows": 10,
+    "num_of_records_per_req": 1000,
+    "max_sql_len": 1024000,
+    "databases": [{
+        "dbinfo": {
+            "name": "db",
+            "drop": "yes",
+            "replica": 1,
+            "days": 10,
+            "cache": 50,
+            "blocks": 8,
+            "precision": "ms",
+            "keep": 365,
+            "minRows": 100,
+            "maxRows": 4096,
+            "comp":2,
+            "walLevel":1,
+            "cachelast":0,
+            "quorum":1,
+            "fsync":3000,
+            "update": 0
+        },
+        "super_tables": [{
+            "name": "stb0",
+            "child_table_exists":"no",
+            "childtable_count": 1,
+            "childtable_prefix": "stb0_",
+            "auto_create_table": "no",
+            "batch_create_tbl_num": 10,
+            "data_source": "rand",
+            "insert_mode": "taosc",
+            "insert_rows": 100000,
+            "childtable_limit": -1,
+            "childtable_offset": 0,
+            "multi_thread_write_one_tbl": "no",
+            "interlace_rows": 0,
+            "insert_interval": 0,
+            "max_sql_len": 1024000,
+            "disorder_ratio": 0,
+            "disorder_range": 1,
+            "timestamp_step": 1000,
+            "start_timestamp": "2020-10-01 00:00:00.000",
+            "sample_format": "csv",
+            "sample_file": "./tools/taosdemoAllTest/sample.csv",
+            "tags_file": "",
+            "columns": [{"type": "INT", "count":1}, {"type": "BINARY", "len": 16, "count":1}, {"type": "BOOL"}],
+            "tags": [{"type": "TINYINT", "count":1}, {"type": "BINARY", "len": 16, "count":1}]
+        }]
+    }]
+}

tests/pytest/query/nestedQuery/nestedQueryJson.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 os
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+        
+    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 run(self):
+        buildPath = self.getBuildPath()
+        if (buildPath == ""):
+            tdLog.exit("taosd not found!")
+        else:
+            tdLog.info("taosd found in %s" % buildPath)
+        binPath = buildPath+ "/build/bin/"
+
+        # insert: create one  or mutiple tables per sql and insert multiple rows per sql 
+        os.system("%staosdemo -f query/nestedQuery/insertData.json -y " % binPath)
+        tdSql.execute("use db")
+        tdSql.query("select count (tbname) from stb0")
+        tdSql.checkData(0, 0, 1000)
+        tdSql.query("select count (tbname) from stb1")
+        tdSql.checkData(0, 0, 1000)
+        tdSql.query("select count(*) from stb00_0")
+        tdSql.checkData(0, 0, 100)
+        tdSql.query("select count(*) from stb0")
+        tdSql.checkData(0, 0, 100000)
+        tdSql.query("select count(*) from stb01_1")
+        tdSql.checkData(0, 0, 200)
+        tdSql.query("select count(*) from stb1")
+        tdSql.checkData(0, 0, 200000)        
+
+
+ 
+        testcaseFilename = os.path.split(__file__)[-1]
+        os.system("rm -rf ./insert_res.txt")
+        os.system("rm -rf query/nestedQuery/%s.sql" % testcaseFilename )      
+        
+        
+        
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())

tests/pytest/query/nestedQuery/queryInterval.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
+from util.dnodes import tdDnodes
+import random
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+        self.ts1 = 1593548685000    
+        self.ts2 = 1593548785000    
+
+
+    def run(self):
+        # tdSql.execute("drop database db ")
+        tdSql.prepare()
+        tdSql.execute("create table st (ts timestamp, num int,  value int , t_instance int) tags (loc nchar(30))")
+        number = 20
+        for n in range(number):
+            dt= n*300000   # collecting'frequency is 10s 
+            args1=(self.ts1+dt,n,100+n,10+n)
+            args2=(self.ts2+dt,n,120+n,15+n)
+            tdSql.execute("insert into t0 using st tags('beijing')  values(%d, %d, %d, %d)" % args1)
+            tdSql.execute("insert into t1 using st tags('shanghai') values(%d, %d, %d, %d)" % args2)             
+                
+
+        tdSql.query("select avg(value) from st interval(10m)")
+        print(tdSql.queryResult)
+        tdSql.checkRows(11)        
+        tdSql.checkData(0, 0, "2020-07-01 04:20:00")
+        tdSql.query("select avg_val from(select avg(value) as avg_val from st where loc='beijing' interval(10m));")
+        # tdSql.query("select avg(avg_val) from(select avg(value) as avg_val from st where loc='beijing' interval(10m));")
+        print(tdSql.queryResult)
+        tdSql.checkData(0, 0, 109.5)        
+        
+        
+        # tdSql.query("select avg(voltage) from st interval(1n, 15d)")
+
+        # tdSql.query("select avg(voltage) from st interval(1n, 15d) group by loc")
+
+        # tdDnodes.stop(1)
+        # tdDnodes.start(1)
+        # tdSql.query("select last(*) from t interval(1s)")
+        
+
+        # tdSql.query("select first(ts),twa(c) from tb interval(14a)")
+        # tdSql.checkRows(6)
+
+        # tdSql.query("select twa(c) from tb group by c")
+        # tdSql.checkRows(4)
+
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())