sql.RawBytes undefined (type string has no field or method RawBytes)

[PingGao89]

Issue description

Use sql.RawBytes to get an error:
The error appears ：values := make([]sql.RawBytes, len(c))

Example code

sql := `select * from table`
	if rows, err := td.db.Query(sql); err == nil {
		if c, er := rows.Columns(); er == nil {
			values := make([]sql.RawBytes, len(c))
			scanArgs := make([]interface{}, len(values))
			for i := range values {
				scanArgs[i] = &values[i]
			}
			for rows.Next() {
				if er = rows.Scan(scanArgs...); er == nil {
					for i, cc := range c {
						 fmt.Println(scanArgs[i])
					}
				}
			}
			 
		}
	}

Error log

sql.RawBytes undefined (type string has no field or method RawBytes)

Configuration

Driver version (or git SHA):
1.3
Go version: run go version in your console
go1.9
Server version: E.g. MySQL 5.6, MariaDB 10.0.20
MySQL5.5
Server OS: E.g. Debian 8.1 (Jessie), Windows 10
CentOS6

[julienschmidt]

you masked the database/sql package here: sql := `select * from table
sql is then a string, not the package. Rename the string e.g. to query and it will work