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Sampanna Rimal
2024-07-10 18:28:19 +05:45
parent 140abda4e6
commit 9cd05ef3cb
15723 changed files with 4818733 additions and 0 deletions
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11
account/system/database/drivers/mysql/index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>403 Forbidden</title>
</head>
<body>
<p>Directory access is forbidden.</p>
</body>
</html>

494
account/system/database/drivers/mysql/mysql_driver.php Normal file
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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 - 2018, 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 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQL Database Adapter Class
*
* Note: _DB is an extender class that the app controller
* creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
* @subpackage Drivers
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_driver extends CI_DB {
/**
* Database driver
*
* @var string
*/
public $dbdriver = 'mysql';
/**
* Compression flag
*
* @var bool
*/
public $compress = FALSE;
/**
* DELETE hack flag
*
* Whether to use the MySQL "delete hack" which allows the number
* of affected rows to be shown. Uses a preg_replace when enabled,
* adding a bit more processing to all queries.
*
* @var bool
*/
public $delete_hack = TRUE;
/**
* Strict ON flag
*
* Whether we're running in strict SQL mode.
*
* @var bool
*/
public $stricton;
// --------------------------------------------------------------------
/**
* Identifier escape character
*
* @var string
*/
protected $_escape_char = '`';
// --------------------------------------------------------------------
/**
* Class constructor
*
* @param array $params
* @return void
*/
public function __construct($params)
{
parent::__construct($params);
if ( ! empty($this->port))
{
$this->hostname .= ':'.$this->port;
}
}
// --------------------------------------------------------------------
/**
* Non-persistent database connection
*
* @param bool $persistent
* @return resource
*/
public function db_connect($persistent = FALSE)
{
$client_flags = ($this->compress === FALSE) ? 0 : MYSQL_CLIENT_COMPRESS;
if ($this->encrypt === TRUE)
{
$client_flags = $client_flags | MYSQL_CLIENT_SSL;
}
// Error suppression is necessary mostly due to PHP 5.5+ issuing E_DEPRECATED messages
$this->conn_id = ($persistent === TRUE)
? mysql_pconnect($this->hostname, $this->username, $this->password, $client_flags)
: mysql_connect($this->hostname, $this->username, $this->password, TRUE, $client_flags);
// ----------------------------------------------------------------
// Select the DB... assuming a database name is specified in the config file
if ($this->database !== '' && ! $this->db_select())
{
log_message('error', 'Unable to select database: '.$this->database);
return ($this->db_debug === TRUE)
? $this->display_error('db_unable_to_select', $this->database)
: FALSE;
}
if (isset($this->stricton) && is_resource($this->conn_id))
{
if ($this->stricton)
{
$this->simple_query('SET SESSION sql_mode = CONCAT(@@sql_mode, ",", "STRICT_ALL_TABLES")');
}
else
{
$this->simple_query(
'SET SESSION sql_mode =
REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
@@sql_mode,
"STRICT_ALL_TABLES,", ""),
",STRICT_ALL_TABLES", ""),
"STRICT_ALL_TABLES", ""),
"STRICT_TRANS_TABLES,", ""),
",STRICT_TRANS_TABLES", ""),
"STRICT_TRANS_TABLES", "")'
);
}
}
return $this->conn_id;
}
// --------------------------------------------------------------------
/**
* Reconnect
*
* Keep / reestablish the db connection if no queries have been
* sent for a length of time exceeding the server's idle timeout
*
* @return void
*/
public function reconnect()
{
if (mysql_ping($this->conn_id) === FALSE)
{
$this->conn_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* Select the database
*
* @param string $database
* @return bool
*/
public function db_select($database = '')
{
if ($database === '')
{
$database = $this->database;
}
if (mysql_select_db($database, $this->conn_id))
{
$this->database = $database;
$this->data_cache = array();
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Set client character set
*
* @param string $charset
* @return bool
*/
protected function _db_set_charset($charset)
{
return mysql_set_charset($charset, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Database version number
*
* @return string
*/
public function version()
{
if (isset($this->data_cache['version']))
{
return $this->data_cache['version'];
}
if ( ! $this->conn_id OR ($version = mysql_get_server_info($this->conn_id)) === FALSE)
{
return FALSE;
}
return $this->data_cache['version'] = $version;
}
// --------------------------------------------------------------------
/**
* Execute the query
*
* @param string $sql an SQL query
* @return mixed
*/
protected function _execute($sql)
{
return mysql_query($this->_prep_query($sql), $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Prep the query
*
* If needed, each database adapter can prep the query string
*
* @param string $sql an SQL query
* @return string
*/
protected function _prep_query($sql)
{
// mysql_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack
// modifies the query so that it a proper number of affected rows is returned.
if ($this->delete_hack === TRUE && preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql))
{
return trim($sql).' WHERE 1=1';
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Begin Transaction
*
* @return bool
*/
protected function _trans_begin()
{
$this->simple_query('SET AUTOCOMMIT=0');
return $this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK
}
// --------------------------------------------------------------------
/**
* Commit Transaction
*
* @return bool
*/
protected function _trans_commit()
{
if ($this->simple_query('COMMIT'))
{
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Rollback Transaction
*
* @return bool
*/
protected function _trans_rollback()
{
if ($this->simple_query('ROLLBACK'))
{
$this->simple_query('SET AUTOCOMMIT=1');
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------
/**
* Platform-dependent string escape
*
* @param string
* @return string
*/
protected function _escape_str($str)
{
return mysql_real_escape_string($str, $this->conn_id);
}
// --------------------------------------------------------------------
/**
* Affected Rows
*
* @return int
*/
public function affected_rows()
{
return mysql_affected_rows($this->conn_id);
}
// --------------------------------------------------------------------
/**
* Insert ID
*
* @return int
*/
public function insert_id()
{
return mysql_insert_id($this->conn_id);
}
// --------------------------------------------------------------------
/**
* List table query
*
* Generates a platform-specific query string so that the table names can be fetched
*
* @param bool $prefix_limit
* @return string
*/
protected function _list_tables($prefix_limit = FALSE)
{
$sql = 'SHOW TABLES FROM '.$this->escape_identifiers($this->database);
if ($prefix_limit !== FALSE && $this->dbprefix !== '')
{
return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'";
}
return $sql;
}
// --------------------------------------------------------------------
/**
* Show column query
*
* Generates a platform-specific query string so that the column names can be fetched
*
* @param string $table
* @return string
*/
protected function _list_columns($table = '')
{
return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE);
}
// --------------------------------------------------------------------
/**
* Returns an object with field data
*
* @param string $table
* @return array
*/
public function field_data($table)
{
if (($query = $this->query('SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE))) === FALSE)
{
return FALSE;
}
$query = $query->result_object();
$retval = array();
for ($i = 0, $c = count($query); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = $query[$i]->Field;
sscanf($query[$i]->Type, '%[a-z](%d)',
$retval[$i]->type,
$retval[$i]->max_length
);
$retval[$i]->default = $query[$i]->Default;
$retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI');
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Error
*
* Returns an array containing code and message of the last
* database error that has occurred.
*
* @return array
*/
public function error()
{
return array('code' => mysql_errno($this->conn_id), 'message' => mysql_error($this->conn_id));
}
// --------------------------------------------------------------------
/**
* FROM tables
*
* Groups tables in FROM clauses if needed, so there is no confusion
* about operator precedence.
*
* @return string
*/
protected function _from_tables()
{
if ( ! empty($this->qb_join) && count($this->qb_from) > 1)
{
return '('.implode(', ', $this->qb_from).')';
}
return implode(', ', $this->qb_from);
}
// --------------------------------------------------------------------
/**
* Close DB Connection
*
* @return void
*/
protected function _close()
{
// Error suppression to avoid annoying E_WARNINGs in cases
// where the connection has already been closed for some reason.
@mysql_close($this->conn_id);
}
}

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account/system/database/drivers/mysql/mysql_forge.php Normal file
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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 - 2018, 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 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQL Forge Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_forge extends CI_DB_forge {
/**
* CREATE DATABASE statement
*
* @var string
*/
protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s';
/**
* CREATE TABLE keys flag
*
* Whether table keys are created from within the
* CREATE TABLE statement.
*
* @var bool
*/
protected $_create_table_keys = TRUE;
/**
* UNSIGNED support
*
* @var array
*/
protected $_unsigned = array(
'TINYINT',
'SMALLINT',
'MEDIUMINT',
'INT',
'INTEGER',
'BIGINT',
'REAL',
'DOUBLE',
'DOUBLE PRECISION',
'FLOAT',
'DECIMAL',
'NUMERIC'
);
/**
* NULL value representation in CREATE/ALTER TABLE statements
*
* @var string
*/
protected $_null = 'NULL';
// --------------------------------------------------------------------
/**
* CREATE TABLE attributes
*
* @param array $attributes Associative array of table attributes
* @return string
*/
protected function _create_table_attr($attributes)
{
$sql = '';
foreach (array_keys($attributes) as $key)
{
if (is_string($key))
{
$sql .= ' '.strtoupper($key).' = '.$attributes[$key];
}
}
if ( ! empty($this->db->char_set) && ! strpos($sql, 'CHARACTER SET') && ! strpos($sql, 'CHARSET'))
{
$sql .= ' DEFAULT CHARACTER SET = '.$this->db->char_set;
}
if ( ! empty($this->db->dbcollat) && ! strpos($sql, 'COLLATE'))
{
$sql .= ' COLLATE = '.$this->db->dbcollat;
}
return $sql;
}
// --------------------------------------------------------------------
/**
* 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')
{
return parent::_alter_table($alter_type, $table, $field);
}
$sql = 'ALTER TABLE '.$this->db->escape_identifiers($table);
for ($i = 0, $c = count($field); $i < $c; $i++)
{
if ($field[$i]['_literal'] !== FALSE)
{
$field[$i] = ($alter_type === 'ADD')
? "\n\tADD ".$field[$i]['_literal']
: "\n\tMODIFY ".$field[$i]['_literal'];
}
else
{
if ($alter_type === 'ADD')
{
$field[$i]['_literal'] = "\n\tADD ";
}
else
{
$field[$i]['_literal'] = empty($field[$i]['new_name']) ? "\n\tMODIFY " : "\n\tCHANGE ";
}
$field[$i] = $field[$i]['_literal'].$this->_process_column($field[$i]);
}
}
return array($sql.implode(',', $field));
}
// --------------------------------------------------------------------
/**
* Process column
*
* @param array $field
* @return string
*/
protected function _process_column($field)
{
$extra_clause = isset($field['after'])
? ' AFTER '.$this->db->escape_identifiers($field['after']) : '';
if (empty($extra_clause) && isset($field['first']) && $field['first'] === TRUE)
{
$extra_clause = ' FIRST';
}
return $this->db->escape_identifiers($field['name'])
.(empty($field['new_name']) ? '' : ' '.$this->db->escape_identifiers($field['new_name']))
.' '.$field['type'].$field['length']
.$field['unsigned']
.$field['null']
.$field['default']
.$field['auto_increment']
.$field['unique']
.(empty($field['comment']) ? '' : ' COMMENT '.$field['comment'])
.$extra_clause;
}
// --------------------------------------------------------------------
/**
* Process indexes
*
* @param string $table (ignored)
* @return string
*/
protected function _process_indexes($table)
{
$sql = '';
for ($i = 0, $c = count($this->keys); $i < $c; $i++)
{
if (is_array($this->keys[$i]))
{
for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++)
{
if ( ! isset($this->fields[$this->keys[$i][$i2]]))
{
unset($this->keys[$i][$i2]);
continue;
}
}
}
elseif ( ! isset($this->fields[$this->keys[$i]]))
{
unset($this->keys[$i]);
continue;
}
is_array($this->keys[$i]) OR $this->keys[$i] = array($this->keys[$i]);
$sql .= ",\n\tKEY ".$this->db->escape_identifiers(implode('_', $this->keys[$i]))
.' ('.implode(', ', $this->db->escape_identifiers($this->keys[$i])).')';
}
$this->keys = array();
return $sql;
}
}

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account/system/database/drivers/mysql/mysql_result.php Normal file
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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 - 2018, 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 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQL Result Class
*
* This class extends the parent result class: CI_DB_result
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_result extends CI_DB_result {
/**
* Class constructor
*
* @param object &$driver_object
* @return void
*/
public function __construct(&$driver_object)
{
parent::__construct($driver_object);
// Required, due to mysql_data_seek() causing nightmares
// with empty result sets
$this->num_rows = mysql_num_rows($this->result_id);
}
// --------------------------------------------------------------------
/**
* Number of rows in the result set
*
* @return int
*/
public function num_rows()
{
return $this->num_rows;
}
// --------------------------------------------------------------------
/**
* Number of fields in the result set
*
* @return int
*/
public function num_fields()
{
return mysql_num_fields($this->result_id);
}
// --------------------------------------------------------------------
/**
* Fetch Field Names
*
* Generates an array of column names
*
* @return array
*/
public function list_fields()
{
$field_names = array();
mysql_field_seek($this->result_id, 0);
while ($field = mysql_fetch_field($this->result_id))
{
$field_names[] = $field->name;
}
return $field_names;
}
// --------------------------------------------------------------------
/**
* Field data
*
* Generates an array of objects containing field meta-data
*
* @return array
*/
public function field_data()
{
$retval = array();
for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
{
$retval[$i] = new stdClass();
$retval[$i]->name = mysql_field_name($this->result_id, $i);
$retval[$i]->type = mysql_field_type($this->result_id, $i);
$retval[$i]->max_length = mysql_field_len($this->result_id, $i);
$retval[$i]->primary_key = (int) (strpos(mysql_field_flags($this->result_id, $i), 'primary_key') !== FALSE);
}
return $retval;
}
// --------------------------------------------------------------------
/**
* Free the result
*
* @return void
*/
public function free_result()
{
if (is_resource($this->result_id))
{
mysql_free_result($this->result_id);
$this->result_id = FALSE;
}
}
// --------------------------------------------------------------------
/**
* 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 $n
* @return bool
*/
public function data_seek($n = 0)
{
return $this->num_rows
? mysql_data_seek($this->result_id, $n)
: FALSE;
}
// --------------------------------------------------------------------
/**
* Result - associative array
*
* Returns the result set as an array
*
* @return array
*/
protected function _fetch_assoc()
{
return mysql_fetch_assoc($this->result_id);
}
// --------------------------------------------------------------------
/**
* Result - object
*
* Returns the result set as an object
*
* @param string $class_name
* @return object
*/
protected function _fetch_object($class_name = 'stdClass')
{
return mysql_fetch_object($this->result_id, $class_name);
}
}

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account/system/database/drivers/mysql/mysql_utility.php Normal file
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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 - 2018, 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 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @filesource
*/
defined('BASEPATH') OR exit('No direct script access allowed');
/**
* MySQL Utility Class
*
* @category Database
* @author EllisLab Dev Team
* @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_utility extends CI_DB_utility {
/**
* List databases statement
*
* @var string
*/
protected $_list_databases = 'SHOW DATABASES';
/**
* OPTIMIZE TABLE statement
*
* @var string
*/
protected $_optimize_table = 'OPTIMIZE TABLE %s';
/**
* REPAIR TABLE statement
*
* @var string
*/
protected $_repair_table = 'REPAIR TABLE %s';
// --------------------------------------------------------------------
/**
* Export
*
* @param array $params Preferences
* @return mixed
*/
protected function _backup($params = array())
{
if (count($params) === 0)
{
return FALSE;
}
// Extract the prefs for simplicity
extract($params);
// Build the output
$output = '';
// Do we need to include a statement to disable foreign key checks?
if ($foreign_key_checks === FALSE)
{
$output .= 'SET foreign_key_checks = 0;'.$newline;
}
foreach ( (array) $tables as $table)
{
// Is the table in the "ignore" list?
if (in_array($table, (array) $ignore, TRUE))
{
continue;
}
// Get the table schema
$query = $this->db->query('SHOW CREATE TABLE '.$this->db->escape_identifiers($this->db->database.'.'.$table));
// No result means the table name was invalid
if ($query === FALSE)
{
continue;
}
// Write out the table schema
$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
if ($add_drop === TRUE)
{
$output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
}
$i = 0;
$result = $query->result_array();
foreach ($result[0] as $val)
{
if ($i++ % 2)
{
$output .= $val.';'.$newline.$newline;
}
}
// If inserts are not needed we're done...
if ($add_insert === FALSE)
{
continue;
}
// Grab all the data from the current table
$query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
if ($query->num_rows() === 0)
{
continue;
}
// Fetch the field names and determine if the field is an
// integer type. We use this info to decide whether to
// surround the data with quotes or not
$i = 0;
$field_str = '';
$is_int = array();
while ($field = mysql_fetch_field($query->result_id))
{
// Most versions of MySQL store timestamp as a string
$is_int[$i] = in_array(strtolower(mysql_field_type($query->result_id, $i)),
array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
TRUE);
// Create a string of field names
$field_str .= $this->db->escape_identifiers($field->name).', ';
$i++;
}
// Trim off the end comma
$field_str = preg_replace('/, $/' , '', $field_str);
// Build the insert string
foreach ($query->result_array() as $row)
{
$val_str = '';
$i = 0;
foreach ($row as $v)
{
// Is the value NULL?
if ($v === NULL)
{
$val_str .= 'NULL';
}
else
{
// Escape the data if it's not an integer
$val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v;
}
// Append a comma
$val_str .= ', ';
$i++;
}
// Remove the comma at the end of the string
$val_str = preg_replace('/, $/' , '', $val_str);
// Build the INSERT string
$output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
}
$output .= $newline.$newline;
}
// Do we need to include a statement to re-enable foreign key checks?
if ($foreign_key_checks === FALSE)
{
$output .= 'SET foreign_key_checks = 1;'.$newline;
}
return $output;
}
}