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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
* @license https://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 3.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* SQLite3 Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author Andrey Andreev
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_sqlite3_result extends CI_DB_result {
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
return $this->result_id->numColumns();
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return array
*/
public function list_fields()
{
$field_names = array();
for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
$field_names[] = $this->result_id->columnName($i);
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
static $data_types = array(
SQLITE3_INTEGER => 'integer',
SQLITE3_FLOAT => 'float',
SQLITE3_TEXT => 'text',
SQLITE3_BLOB => 'blob',
SQLITE3_NULL => 'null'
);
$retval = array();
for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $this->result_id->columnName($i);
$type = $this->result_id->columnType($i);
$retval[$i]->type = isset($data_types[$type]) ? $data_types[$type] : $type;
$retval[$i]->max_length = NULL;
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
if (is_object($this->result_id))
{
$this->result_id->finalize();
$this->result_id = NULL;
}
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
return $this->result_id->fetchArray(SQLITE3_ASSOC);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
// No native support for fetching rows as objects
if (($row = $this->result_id->fetchArray(SQLITE3_ASSOC)) === FALSE)
{
return FALSE;
}
elseif ($class_name === 'stdClass')
{
return (object) $row;
}
$class_name = new $class_name();
foreach (array_keys($row) as $key)
{
$class_name->$key = $row[$key];
}
return $class_name;
}
// --------------------------------------------------------------------
/**
* Data Seek
*
* Moves the internal pointer to the desired offset. We call
* this internally before fetching results to make sure the
* result set starts at zero.
*
* @param int $n (ignored)
* @return array
*/
public function data_seek($n = 0)
{
// Only resetting to the start of the result set is supported
return ($n > 0) ? FALSE : $this->result_id->reset();
}
}