FM / subdrivers

/home/desid573/public_html/ims2/system/database/drivers/pdo/subdrivers/

/home/desid573/public_html/ims2/system/database/drivers/pdo/subdrivers

Name	Size	Mode	Actions
index.html	131	0644	edit dl rm
pdo_4d_driver.php	5757	0644	edit dl rm
pdo_4d_forge.php	5441	0644	edit dl rm
pdo_cubrid_driver.php	5614	0644	edit dl rm
pdo_cubrid_forge.php	5921	0644	edit dl rm
pdo_dblib_driver.php	10302	0644	edit dl rm
pdo_dblib_forge.php	4405	0644	edit dl rm
pdo_firebird_driver.php	7833	0644	edit dl rm
pdo_firebird_forge.php	6344	0644	edit dl rm
pdo_ibm_driver.php	6703	0644	edit dl rm
pdo_ibm_forge.php	4144	0644	edit dl rm
pdo_informix_driver.php	8590	0644	edit dl rm
pdo_informix_forge.php	4399	0644	edit dl rm
pdo_mysql_driver.php	10121	0644	edit dl rm
pdo_mysql_forge.php	6451	0644	edit dl rm
pdo_oci_driver.php	8559	0644	edit dl rm
pdo_oci_forge.php	5560	0644	edit dl rm
pdo_odbc_driver.php	5961	0644	edit dl rm
pdo_odbc_forge.php	2396	0644	edit dl rm
pdo_pgsql_driver.php	9819	0644	edit dl rm
pdo_pgsql_forge.php	5992	0644	edit dl rm
pdo_sqlite_driver.php	5717	0644	edit dl rm
pdo_sqlite_forge.php	6246	0644	edit dl rm
pdo_sqlsrv_driver.php	11018	0644	edit dl rm
pdo_sqlsrv_forge.php	4407	0644	edit dl rm

Edit: /home/desid573/public_html/ims2/system/database/drivers/pdo/subdrivers/pdo_sqlite_forge.php (6246B)

<?php
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2019 - 2022, CodeIgniter Foundation
 *
 * 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/)
 * @copyright	Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
 * @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');

/**
 * PDO SQLite Forge Class
 *
 * @category	Database
 * @author		EllisLab Dev Team
 * @link		https://codeigniter.com/userguide3/database/
 */
class CI_DB_pdo_sqlite_forge extends CI_DB_pdo_forge {

/**
	 * CREATE TABLE IF statement
	 *
	 * @var	string
	 */
	protected $_create_table_if	= 'CREATE TABLE IF NOT EXISTS';

/**
	 * DROP TABLE IF statement
	 *
	 * @var	string
	 */
	protected $_drop_table_if	= 'DROP TABLE IF EXISTS';

/**
	 * UNSIGNED support
	 *
	 * @var	bool|array
	 */
	protected $_unsigned		= FALSE;

/**
	 * NULL value representation in CREATE/ALTER TABLE statements
	 *
	 * @var	string
	 */
	protected $_null		= 'NULL';

// --------------------------------------------------------------------

/**
	 * Class constructor
	 *
	 * @param	object	&$db	Database object
	 * @return	void
	 */
	public function __construct(&$db)
	{
		parent::__construct($db);

if (version_compare($this->db->version(), '3.3', '<'))
		{
			$this->_create_table_if = FALSE;
			$this->_drop_table_if   = FALSE;
		}
	}

// --------------------------------------------------------------------

/**
	 * Create database
	 *
	 * @param	string	$db_name	(ignored)
	 * @return	bool
	 */
	public function create_database($db_name)
	{
		// In SQLite, a database is created when you connect to the database.
		// We'll return TRUE so that an error isn't generated
		return TRUE;
	}

// --------------------------------------------------------------------

/**
	 * Drop database
	 *
	 * @param	string	$db_name	(ignored)
	 * @return	bool
	 */
	public function drop_database($db_name)
	{
		// In SQLite, a database is dropped when we delete a file
		if (file_exists($this->db->database))
		{
			// We need to close the pseudo-connection first
			$this->db->close();
			if ( ! @unlink($this->db->database))
			{
				return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE;
			}
			elseif ( ! empty($this->db->data_cache['db_names']))
			{
				$key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE);
				if ($key !== FALSE)
				{
					unset($this->db->data_cache['db_names'][$key]);
				}
			}

return TRUE;
		}

return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE;
	}

// --------------------------------------------------------------------

/**
	 * ALTER TABLE
	 *
	 * @param	string	$alter_type	ALTER type
	 * @param	string	$table		Table name
	 * @param	mixed	$field		Column definition
	 * @return	string|string[]
	 */
	protected function _alter_table($alter_type, $table, $field)
	{
		if ($alter_type === 'DROP' OR $alter_type === 'CHANGE')
		{
			// drop_column():
			//	BEGIN TRANSACTION;
			//	CREATE TEMPORARY TABLE t1_backup(a,b);
			//	INSERT INTO t1_backup SELECT a,b FROM t1;
			//	DROP TABLE t1;
			//	CREATE TABLE t1(a,b);
			//	INSERT INTO t1 SELECT a,b FROM t1_backup;
			//	DROP TABLE t1_backup;
			//	COMMIT;

return FALSE;
		}

return parent::_alter_table($alter_type, $table, $field);
	}

// --------------------------------------------------------------------

/**
	 * Process column
	 *
	 * @param	array	$field
	 * @return	string
	 */
	protected function _process_column($field)
	{
		return $this->db->escape_identifiers($field['name'])
			.' '.$field['type']
			.$field['auto_increment']
			.$field['null']
			.$field['unique']
			.$field['default'];
	}

// --------------------------------------------------------------------

/**
	 * Field attribute TYPE
	 *
	 * Performs a data type mapping between different databases.
	 *
	 * @param	array	&$attributes
	 * @return	void
	 */
	protected function _attr_type(&$attributes)
	{
		switch (strtoupper($attributes['TYPE']))
		{
			case 'ENUM':
			case 'SET':
				$attributes['TYPE'] = 'TEXT';
				return;
			default: return;
		}
	}

// --------------------------------------------------------------------

/**
	 * Field attribute AUTO_INCREMENT
	 *
	 * @param	array	&$attributes
	 * @param	array	&$field
	 * @return	void
	 */
	protected function _attr_auto_increment(&$attributes, &$field)
	{
		if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE && stripos($field['type'], 'int') !== FALSE)
		{
			$field['type'] = 'INTEGER PRIMARY KEY';
			$field['default'] = '';
			$field['null'] = '';
			$field['unique'] = '';
			$field['auto_increment'] = ' AUTOINCREMENT';

$this->primary_keys = array();
		}
	}

}

db->version(), '3.3', '<')) { $this->_create_table_if = FALSE; $this->_drop_table_if = FALSE; } } // -------------------------------------------------------------------- /** * Create database * * @param string $db_name (ignored) * @return bool */ public function create_database($db_name) { // In SQLite, a database is created when you connect to the database. // We'll return TRUE so that an error isn't generated return TRUE; } // -------------------------------------------------------------------- /** * Drop database * * @param string $db_name (ignored) * @return bool */ public function drop_database($db_name) { // In SQLite, a database is dropped when we delete a file if (file_exists($this->db->database)) { // We need to close the pseudo-connection first $this->db->close(); if ( ! @unlink($this->db->database)) { return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE; } elseif ( ! empty($this->db->data_cache['db_names'])) { $key = array_search(strtolower($this->db->database), array_map('strtolower', $this->db->data_cache['db_names']), TRUE); if ($key !== FALSE) { unset($this->db->data_cache['db_names'][$key]); } } return TRUE; } return $this->db->db_debug ? $this->db->display_error('db_unable_to_drop') : FALSE; } // -------------------------------------------------------------------- /** * ALTER TABLE * * @param string $alter_type ALTER type * @param string $table Table name * @param mixed $field Column definition * @return string|string[] */ protected function _alter_table($alter_type, $table, $field) { if ($alter_type === 'DROP' OR $alter_type === 'CHANGE') { // drop_column(): // BEGIN TRANSACTION; // CREATE TEMPORARY TABLE t1_backup(a,b); // INSERT INTO t1_backup SELECT a,b FROM t1; // DROP TABLE t1; // CREATE TABLE t1(a,b); // INSERT INTO t1 SELECT a,b FROM t1_backup; // DROP TABLE t1_backup; // COMMIT; return FALSE; } return parent::_alter_table($alter_type, $table, $field); } // -------------------------------------------------------------------- /** * Process column * * @param array $field * @return string */ protected function _process_column($field) { return $this->db->escape_identifiers($field['name']) .' '.$field['type'] .$field['auto_increment'] .$field['null'] .$field['unique'] .$field['default']; } // -------------------------------------------------------------------- /** * Field attribute TYPE * * Performs a data type mapping between different databases. * * @param array &$attributes * @return void */ protected function _attr_type(&$attributes) { switch (strtoupper($attributes['TYPE'])) { case 'ENUM': case 'SET': $attributes['TYPE'] = 'TEXT'; return; default: return; } } // -------------------------------------------------------------------- /** * Field attribute AUTO_INCREMENT * * @param array &$attributes * @param array &$field * @return void */ protected function _attr_auto_increment(&$attributes, &$field) { if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE && stripos($field['type'], 'int') !== FALSE) { $field['type'] = 'INTEGER PRIMARY KEY'; $field['default'] = ''; $field['null'] = ''; $field['unique'] = ''; $field['auto_increment'] = ' AUTOINCREMENT'; $this->primary_keys = array(); } } }