```
$ echo '20210101,A' | clickhouse-local --input-format CSV --structure 'd Date, s String' --query "SELECT * FROM table"
Code: 27. DB::Exception: Cannot parse input: expected ',' before: '20210101,A\n': 
Row 1:
Column 0,   name: d, type: Date,   ERROR: text "20210101,A" is not like Date

: While executing ParallelParsingBlockInputFormat: While executing File. (CANNOT_PARSE_INPUT_ASSERTION_FAILED)
```

**How to solve**

Disambiguate while parsing by absense of separators between YYYY-MM-DD.
}
            return;
        }
        if (*buf.position() == '\\')
            parseComplexEscapeSequence(s, buf);
    }
    throw ParsingException("Cannot parse quoted string: expected closing quote",
        ErrorCodes::CANNOT_PARSE_QUOTED_STRING);
}
template <bool enable_sql_style_quoting, typename Vector>
void readQuotedStringInto(Vector & s, ReadBuffer & buf)
{
    readAnyQuotedStringInto<'\'', enable_sql_style_quoting>(s, buf);
}
template <bool enable_sql_style_quoting, typename Vector>
void readDoubleQuotedStringInto(Vector & s, ReadBuffer & buf)
{
    readAnyQuotedStringInto<'"', enable_sql_style_quoting>(s, buf);
}
template <bool enable_sql_style_quoting, typename Vector>
void readBackQuotedStringInto(Vector & s, ReadBuffer & buf)
{
    readAnyQuotedStringInto<'`', enable_sql_style_quoting>(s, buf);
}
void readQuotedString(String & s, ReadBuffer & buf)
{
    s.clear();
    readQuotedStringInto<false>(s, buf);
}
void readQuotedStringWithSQLStyle(String & s, ReadBuffer & buf)