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
        }
}

```

|| 0 == strcmp(arg, "--types")))
            {
                if (arg_num + 1 < argc)
                {
                    external_bles_arguments.back().emplace_back(arg)
                    ++arg_num
                    arg = argv[arg_num]
                    external_bles_arguments.back().emplace_back(arg)
                
                else
                    break
            
            else
            {
                in_external_group = false
                /// Parameter arg after underline.
                if (srt
                {
                    const char * param_continuation = arg + strlen("--param_")
                    const char * equal_pos = strchr(param_continuation, '=')
                    if (equal_pos == param_continuation)
                        thro Exception("Parameter name nnot be empty", ErrorCodes::BAD_ARGUMENTS)
                    if (equal_pos)
                    {
                        /// param_name=value
                        query_parameteram_continuation, equal_pos), String(equal_pos + 1))
                    
                    else
                    {
                        /// param_name value