[TD-12909]<test>(query):add test case for illeagal SQL for crash taosd

tests/system-test/2-query/TD-12909.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 *
+
+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 <wenzhouwww>: [TD-12909] : 
+            this test case is for illegal SQL in query ,it will crash taosd.
+
+        ''' 
+        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 sub_%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 distinct(hostname) from testdb.st")
+        tdSql.checkRows(10)
+
+        tdSql.query("select count(*) from st where hostname >1")
+        tdSql.query("select count(*) from st where hostname >'1'")
+
+        tdSql.query("select count(*) from st where hostname <=1")
+        tdSql.query("select count(*) from st where hostname <='1'")
+
+        tdSql.query("select count(*) from st where hostname !=1")
+        tdSql.query("select count(*) from st where hostname !='1'")
+
+        tdSql.query("select count(*) from st where hostname <>1")
+        tdSql.query("select count(*) from st where hostname <>'1'")
+
+        tdSql.query("select count(*) from st where hostname in ('1','2')")
+
+        tdSql.query("select count(*) from st where hostname match '%'")
+        tdSql.query("select count(*) from st where hostname match '%1'")
+
+        tdSql.query("select count(*) from st where hostname between 1 and 2")
+        tdSql.query("select count(*) from st where hostname between 'abc' and 'def'")
+
+        tdSql.error("select count(*) from st where hostname between 1 and 2 or sum(1)")
+        tdSql.execute("select count(*) from st where hostname < max(123)")
+
+        tdSql.execute("select count(*) from st where hostname < max('abc')")
+        tdSql.execute("select count(*) from st where hostname < max(min(123))")
+
+        tdSql.execute("select count(*) from st where hostname < sum('abc')")
+        tdSql.execute("select count(*) from st where hostname < sum(min(123))")
+
+        tdSql.execute("select count(*) from st where hostname < diff('abc')")
+        tdSql.execute("select count(*) from st where hostname < diff(min(123))")
+
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
+
+