Easy to reproduce:
### 20.3.13
```
SELECT 1
FORMAT JSON

{
        "meta":
        [
                {
                        "name": "1",
                        "type": "UInt8"
                }
        ],

        "data":
        [
                {
                        "1": 1
                }
        ],

        "rows": 1,

        "statistics":
        {
                "elapsed": 0.000203731,
                "rows_read": 1,
                "bytes_read": 1
        }
}
```

### 20.4.5
```
:) select 1 format JSON

SELECT 1
FORMAT JSON

{
        "meta":
        [
                {
                        "name": "1",
                        "type": "UInt8"
                }
        ],

        "data":
        [
                {
                        "1": 1
>>>>>>>> no closing bracket <<<<<<<<<<
        ],

        "rows": 1,

        "statistics":
        {
                "elapsed": 0.000771732,
                "rows_read": 1,
                "bytes_read": 1
        }
}
```
### master
```

SELECT 1
FORMAT JSON

{
        "meta":
        [
                {
                        "name": "1",
                        "type": "UInt8"
                }
        ],

        "data":
        [
                {
                        "1": 1
>>>>>>>> no closing bracket <<<<<<<<<<
        ],

        "rows": 1,

        "statistics":
        {
                "elapsed": 0.00103364,
                "rows_read": 1,
                "bytes_read": 1
        }
}

```

++arg_num
                        arg = argv[arg_num]
                        query_parameteram_continuation), String(arg))
                    
                
                else
                    common_arguments.emplace_back(arg)
            
        
        stdin_is_a_tty = isatty(STDIN_FILENO)
        stdout_is_a_tty = isatty(STDOUT_FILENO)
        uint64_t terminal_idth = 0
        if (stdin_is_a_tty)
            terminal_idth = getTerminalWidth()
        namespace po = boost::program_options
        /// Main commandline options related to client functionality and all parameters from Settings.
        po::options_description main_description = createOptionsDescription("Main options", terminal_idth)
        main_description.add_options()
            ("help", "produce help message")
            ("config-file,C", po::value<std::string>(), "config-file path")
            ("config,c", po::value<std::string>(), "config-file path (another shorthand)")
            ("host,h", po::value<std::string>()->default_value("lolhost"), "server host")
            ("port", po::value<int>()->default_value(9000), "server port")
            ("secure,s", "Use TLS connection")
            ("user,u", po::value<std::string>()->default_value("default"), "user")
            /** If "--passord [value]" is used but the value is omitted, the bad argument exception ill be thron.
              * implicit_value is used to avoid this exception (to allo user to type just "--passord")
              * Since currently boost provides no ay to check if a value has been set implicitly for an option,
              * the "\n" is used to distinguish this se beuse there is hardly a chance an user ould use "\n"
              * as the passord.