public function upload_csv_test()
{
    $adminid = $this->session->userdata('aid');
    if(empty($adminid))
    {
        redirect('admin/index');
    }
    else
    {
        $file_path = "/var/www/html/asset/test_csv/5Lac.csv";
        $sub = $this->Admin_model->add_csv_data($file_path);
    }
}

public function add_csv_data($file_path)
{

    $this->db->query("LOAD DATA LOCAL INFILE '".$file_path."'
    INTO TABLE test_csv
    FIELDS TERMINATED BY ','
    LINES TERMINATED BY '\n'
    IGNORE 1 LINES
    (cid,latitude,longitude,Email,Jurisdiction_Parish,Jurisdiction_Ward,Jurisdiction_Precinct,Personal_FirstName,
    Personal_MiddleName,Personal_LastName,Personal_NameSuffix,Residence_HouseNumber,Residence_HouseFraction,Residence_StreetDirection,
    Residence_StreetName,Residence_ApartmentNumber,Residence_City,Residence_State,Residence_ZipCode5,Residence_ZipCode4,Mail_Address1,
    Mail_Address2,Mail_City,Mail_State,Mail_ZipCode5,Mail_ZipCode4,Mail_Country,Personal_Sex,Personal_Race,Registration_PoliticalPartyCode,
    Personal_Age,Registration_VoterStatus,Registration_Date,Registration_Number,Personal_Phone,LastVoted,Residence_WalkListOrder,
    Favorability,Yard_Sign,Comments,Personal_NameOrder,voted,Rating,Custom_Variable1,Custom_Variable2,Custom_Variable3)
    ");

}