tdSql.query("select count(*) from test.meters where groupid >= 0")
tdSql.checkData(0,0,10000)
tdSql.query("select count(*) from test.meters where location = 'beijing' or location = 'shanghai'")
tdSql.query("select count(*) from test.meters where location = 'San Francisco' or location = 'Los Angles' or location = 'San Diego' or location = 'San Jose' or \
location = 'Palo Alto' or location = 'Campbell' or location = 'Mountain View' or location = 'Sunnyvale' or location = 'Santa Clara' or location = 'Cupertino' ")