tdSql.execute("CREATE TABLE if not exists db_json_tag_test.jsons1_9 using db_json_tag_test.jsons1 tags('{\"\":4, \"time\":null}')")
tdSql.query("select jtag from db_json_tag_test.jsons1_9")
tdSql.checkData(0,0,None)
tdSql.checkData(0,0,"{\"time\":null}")
tdSql.execute("CREATE TABLE if not exists db_json_tag_test.jsons1_10 using db_json_tag_test.jsons1 tags('{\"k1\":\"\",\"k1\":\"v1\",\"k2\":true,\"k3\":false,\"k4\":55}')")
tdSql.query("select jtag from db_json_tag_test.jsons1_10")