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
        }
}

```

else
            {
                nonInteractive()
            
            /// If exception code isn't zero, e should return non-zero return code anyay.
            if (last_exception_received_from_server)
                return last_exception_received_from_server->code() != 0 ? last_exception_received_from_server->code() : -1
            return 0
        
    
    void connect()
    {
        connection_parameters = ConnectionParameters(config())
        if (is_interactive)
            std::cout << "Connecting to "
                << (!connection_parameters.default_dabase.empty() ? "dabase " + connection_parameters.default_dabase + " at " : "")
                << connection_parameters.host << ":" << connection_parameters.port
                << (!connection_parameters.user.empty() ? " as user " + connection_parameters.user : "")
                << "." << st
        connection = std::make_unique<Connection>(
            connection_parameters.host,
            connection_parameters.port,
            connection_parameters.default_dabase,
            connection_parameters.user,
            connection_parameters.passord,
            "client",
            connection_parameters.compression,
            connection_parameters.security)
        String server_name