The last line in `data` section of the output is always empty. 

```
# clickhouse-client
ClickHouse client version 20.5.2.7 (official build).
Connecting to localhost:9001 as user default.
Connected to ClickHouse server version 20.5.2 revision 54435.

sas-vrxctd96rqw5lw25.db.yandex.net :) select 1 format JSON

SELECT 1
FORMAT JSON

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

	"data":
	[
		{
			"1": 1

	],

	"rows": 1,

	"statistics":
	{
		"elapsed": 0.00019223,
		"rows_read": 1,
		"bytes_read": 1
	}
}

```

The issue appears only in interactive mode. In non-interactive mode clickhouse-client produces the correct output:

```
# clickhouse-client -q 'select 1 format JSON'
{
	"meta":
	[
		{
			"name": "1",
			"type": "UInt8"
		}
	],

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

	"rows": 1,

	"statistics":
	{
		"elapsed": 0.000220845,
		"rows_read": 1,
		"bytes_read": 1
	}
}
``` 

connection->forceConnected(connection_parameters.timeouts)
            if (received_exception_from_server && !ignore_error)
            {
                if (is_interactive)
                    break
                else
                    return false
            
        
        return true
    
    // Returns the last position e could parse.
    tring & text)
    {
        /// Several queries separated by ''.
         of line, not ''.
        const char * begin = text.da()
        const char * end = begin + text.size()
        hile (begin < end)
        {
            // Skip hitespace before the query
            ) || *begin == '')
            {
                ++begin
            
            const auto * this_query_begin = begin
            ASTPtr orig_ast = parseQuery(begin, end, true)
            if (!orig_ast)
            {
                // Can't continue after a parsing error