[Wiki] Importing CSV file to mysql table using "LOAD DATA" command.

class UserImportForm extends CFormModel
{
    public $file;
    /**
     * @return array validation rules for model attributes.
     */
    public function rules()
    {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(  
             array('file', 'file', 
                                            'types'=>'csv',
                                            'maxSize'=>1024 * 1024 * 10, // 10MB
                                            'tooLarge'=>'The file was larger than 10MB. Please upload a smaller file.',
                                            'allowEmpty' => false
                              ),
                   );
    }
 
    /**
     * @return array customized attribute labels (name=>label)
     */
    public function attributeLabels()
    {
        return array(
            'file' => 'Select file',
        );
    }
 
}

<div class="form">
 
<?php
$form = $this->beginWidget('bootstrap.widgets.BootActiveForm', array(
    'id'=>'service-form',
    'enableAjaxValidation'=>false,
    'method'=>'post',
    'type'=>'horizontal',
    'htmlOptions'=>array(
        'enctype'=>'multipart/form-data'
    )
)); ?>
 
    <fieldset>
        <legend>
            <p class="note">Fields with <span class="required">*</span> are required.</p>
        </legend>
 
        <?php echo $form->errorSummary($model, 'Opps!!!', null, array('class'=>'alert alert-error span12')); ?>
 
        <div class="control-group">     
            <div class="span4">
                                <div class="control-group <?php if ($model->hasErrors('postcode')) echo "error"; ?>">
        <?php echo $form->labelEx($model,'file'); ?>
        <?php echo $form->fileField($model,'file'); ?>
        <?php echo $form->error($model,'file'); ?>
                            </div>
 
 
            </div>
        </div>
 
        <div class="form-actions">
            <?php $this->widget('bootstrap.widgets.BootButton', array('buttonType'=>'submit', 'type'=>'primary', 'icon'=>'ok white', 'label'=>'UPLOAD')); ?>
            <?php $this->widget('bootstrap.widgets.BootButton', array('buttonType'=>'reset', 'icon'=>'remove', 'label'=>'Reset')); ?>
        </div>
 
    </fieldset>
 
<?php $this->endWidget(); ?>
 
</div><!-- form -->

public function actionImportCSV()
        {
           $model=new UserImportForm;
 
           if(isset($_POST['UserImportForm']))
             {
 
               $model->attributes=$_POST['UserImportForm'];
 
               if($model->validate())
                 {
 
                  $csvFile=CUploadedFile::getInstance($model,'file');  
                  $tempLoc=$csvFile->getTempName();
 
                    $sql="LOAD DATA LOCAL INFILE '".$tempLoc."'
        INTO TABLE `tbl_user`
        FIELDS
            TERMINATED BY ','
            ENCLOSED BY '\"'
        LINES
            TERMINATED BY '\n'
         IGNORE 1 LINES
        (`name`, `age`, `location`)
        ";
 
                    $connection=Yii::app()->db;
                    $transaction=$connection->beginTransaction();
                        try
                            {
 
                                $connection->createCommand($sql)->execute();
                                $transaction->commit();
                            }
                            catch(Exception $e) // an exception is raised if a query fails
                             {
                                print_r($e);
                                exit;
                                $transaction->rollBack();
 
                             }
                      $this->redirect(array("user/index"));
 
 
                 }
             }  
 
           $this->render("importcsv",array('model'=>$model));
        }