public OnFilterScriptInit()
{
    new somevar = 1337;
    mysql_debug(1);
        new con = mysql_connect(host, user, db, pass);
    // Table structure:  id|username|pass|money
    format(string, sizeof string, "SELECT * FROM `users`");
    mysql_function_query(con, string, true, "Test", "i", somevar);
    return 1;
}

public Test(somevar)
{
    new rows, fields, szRow[128];
    cache_get_data(rows, fields);
    for(new i;i < rows;i++) {
        szRow = fetch_field_content("username", i, fields);
        printf("Username = %s", szRow);
        szRow = fetch_field_content("money", i, fields);
        printf("Username = %s", szRow);
    }
    // returning 1 at the end means the cache & memory will be automatically free'd
    return 1;
}

// mysql_fetch_field_row() alias
stock fetch_field_content(fieldname[], row, fields)
{
    new szField[40], szRow[128];
    for(new i;i < fields;i++) {
        cache_get_field(i, szField);
        if(!strcmp(szField, fieldname)) {
            cache_get_row(row, i, szRow);
            break;
        }
    }
    return szRow;
}