[TD-12252]<feature>(connector,query,insert,other,tools,taosAdapter):deal with escape character

tests/develop-test/2-query/escape.py

+###################################################################
+#           Copyright (c) 2021 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 caseDescription(self):
+        '''
+        case1: [TD-12251] json type containing single quotes cannot be inserted
+        case2: [TD-12334] '\' escape unknown
+        case3: [TD-11071] escape table creation problem
+        case4: [TD-6232]  fix abnormal escaping results about '\'
+        '''
+        return
+
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+        self._conn = conn
+
+    def run(self):
+        print("running {}".format(__file__))
+        tdSql.execute("drop database if exists escape")
+        tdSql.execute("create database if not exists escape")
+        tdSql.execute('use escape')
+
+        # [TD-12251]
+        tdSql.execute('create stable st (ts timestamp,t int) tags(metrics json)')
+        tdSql.execute(r"insert into t1 using st tags('{\"a\":\"a\",\"b\":\"\'a\'=b\"}') values(now,1)")
+        tdSql.query('select * from st')
+        tdSql.checkData(0, 2, '''{"a":"a","b":"'a'=b"}''')
+
+        # [TD-12334]
+        tdSql.execute('create table car (ts timestamp, s int) tags(j int)')
+        tdSql.execute(r'create table `zz\ ` using car tags(11)')
+        tdSql.execute(r'create table `zz\\ ` using car tags(11)')
+        tdSql.execute(r'create table `zz\\\ ` using car tags(11)')
+        tdSql.query(r'select tbname from car where tbname like "zz\\\\ "')
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, r"zz\\ ")
+
+        tdSql.query(r'show tables like "zz\\\\ "')
+        tdSql.checkRows(1)
+        tdSql.checkData(0, 0, r"zz\\ ")
+
+        tdSql.query(r'show tables like "zz\\ "')
+        tdSql.checkRows(1)
+
+        # [TD-11071]
+        tdSql.execute('create table es (ts timestamp, s int) tags(j int)')
+        tdSql.execute(r'create table `zz\t` using es tags(11)')
+        tdSql.execute(r'create table `zz\\n` using es tags(11)')
+        tdSql.execute(r'create table `zz\r\ ` using es tags(11)')
+        tdSql.execute(r'create table `      ` using es tags(11)')
+        tdSql.query(r'select tbname from es')
+        tdSql.checkData(0, 0, r'zz\t')
+        tdSql.checkData(1, 0, r'zz\\n')
+        tdSql.checkData(2, 0, r'zz\r\ ')
+        tdSql.checkData(3, 0, r'      ')
+
+        # [TD-6232]
+        tdSql.execute('create table tt(ts timestamp, i nchar(128))')
+        tdSql.execute(r"insert into tt values(1591060628000, '\t')")
+        tdSql.execute(r"insert into tt values(1591060638000, '\n')")
+        tdSql.execute(r"insert into tt values(1591060648000, '\r')")
+        tdSql.execute(r"insert into tt values(1591060658000, '\\')")
+        tdSql.execute(r"insert into tt values(1591060668000, '\"')")
+        tdSql.execute(r"insert into tt values(1591060678000, '\'')")
+        tdSql.execute(r"insert into tt values(1591060688000, '\%')")
+        tdSql.execute(r"insert into tt values(1591060698000, '\_')")
+        tdSql.execute(r"insert into tt values(1591060708000, '\9')")
+
+        tdSql.query(r"select * from tt where i='\t'")
+        tdSql.checkRows(1)
+        tdSql.query(r"select * from tt where i='\n'")
+        tdSql.checkRows(1)
+        tdSql.query(r"select * from tt where i='\r'")
+        tdSql.checkRows(1)
+        tdSql.query(r"select * from tt where i='\\'")
+        tdSql.checkRows(1)
+        tdSql.query(r"select * from tt where i='\"'")
+        tdSql.checkRows(1)
+        tdSql.query(r"select * from tt where i='\''")
+        tdSql.checkRows(1)
+        tdSql.query(r"select * from tt where i='\%'")
+        tdSql.checkRows(1)
+        tdSql.query(r"select * from tt where i='\_'")
+        tdSql.checkRows(1)
+        tdSql.query(r"select * from tt where i='\9'")
+        tdSql.checkRows(1)
+        tdSql.query(r"select * from tt where i='9'")
+        tdSql.checkRows(1)
+
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())