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-rw-r--r--system/database/drivers/mysql/mysql_utility.php157
1 files changed, 79 insertions, 78 deletions
diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php
index f22c3d043..bc01fc58d 100644
--- a/system/database/drivers/mysql/mysql_utility.php
+++ b/system/database/drivers/mysql/mysql_utility.php
@@ -1,83 +1,83 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, 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 - 2017, 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 ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/database/
+ * @author EllisLab Dev Team
+ * @link https://codeigniter.com/user_guide/database/
*/
class CI_DB_mysql_utility extends CI_DB_utility {
/**
- * List databases
+ * List databases statement
*
- * @access private
- * @return bool
+ * @var string
*/
- function _list_databases()
- {
- return "SHOW DATABASES";
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'SHOW DATABASES';
/**
- * Optimize table query
+ * OPTIMIZE TABLE statement
*
- * Generates a platform-specific query so that a table can be optimized
- *
- * @access private
- * @param string the table name
- * @return object
+ * @var string
*/
- function _optimize_table($table)
- {
- return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table);
- }
-
- // --------------------------------------------------------------------
+ protected $_optimize_table = 'OPTIMIZE TABLE %s';
/**
- * Repair table query
+ * REPAIR TABLE statement
*
- * Generates a platform-specific query so that a table can be repaired
- *
- * @access private
- * @param string the table name
- * @return object
+ * @var string
*/
- function _repair_table($table)
- {
- return "REPAIR TABLE ".$this->db->_escape_identifiers($table);
- }
+ protected $_repair_table = 'REPAIR TABLE %s';
// --------------------------------------------------------------------
+
/**
- * MySQL Export
+ * Export
*
- * @access private
- * @param array Preferences
+ * @param array $params Preferences
* @return mixed
*/
- function _backup($params = array())
+ protected function _backup($params = array())
{
- if (count($params) == 0)
+ if (count($params) === 0)
{
return FALSE;
}
@@ -87,16 +87,23 @@ class CI_DB_mysql_utility extends CI_DB_utility {
// Build the output
$output = '';
- foreach ((array)$tables as $table)
+
+ // Do we need to include a statement to disable foreign key checks?
+ if ($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)$ignore, TRUE))
+ if (in_array($table, (array) $ignore, TRUE))
{
continue;
}
// Get the table schema
- $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`');
+ $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)
@@ -107,9 +114,9 @@ class CI_DB_mysql_utility extends CI_DB_utility {
// Write out the table schema
$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
- if ($add_drop == TRUE)
+ if ($add_drop === TRUE)
{
- $output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline;
+ $output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
}
$i = 0;
@@ -123,21 +130,21 @@ class CI_DB_mysql_utility extends CI_DB_utility {
}
// If inserts are not needed we're done...
- if ($add_insert == FALSE)
+ if ($add_insert === FALSE)
{
continue;
}
// Grab all the data from the current table
- $query = $this->db->query("SELECT * FROM $table");
+ $query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
- if ($query->num_rows() == 0)
+ 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
+ // integer type. We use this info to decide whether to
// surround the data with quotes or not
$i = 0;
@@ -146,20 +153,17 @@ class CI_DB_mysql_utility extends CI_DB_utility {
while ($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)
- ) ? TRUE : FALSE;
+ $is_int[$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
- $field_str .= '`'.$field->name.'`, ';
+ $field_str .= $this->db->escape_identifiers($field->name).', ';
$i++;
}
// Trim off the end comma
- $field_str = preg_replace( "/, $/" , "" , $field_str);
-
+ $field_str = preg_replace('/, $/' , '', $field_str);
// Build the insert string
foreach ($query->result_array() as $row)
@@ -177,14 +181,7 @@ class CI_DB_mysql_utility extends CI_DB_utility {
else
{
// Escape the data if it's not an integer
- if ($is_int[$i] == FALSE)
- {
- $val_str .= $this->db->escape($v);
- }
- else
- {
- $val_str .= $v;
- }
+ $val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v;
}
// Append a comma
@@ -193,18 +190,22 @@ class CI_DB_mysql_utility extends CI_DB_utility {
}
// Remove the comma at the end of the string
- $val_str = preg_replace( "/, $/" , "" , $val_str);
+ $val_str = preg_replace('/, $/' , '', $val_str);
// Build the INSERT string
- $output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
+ $output .= 'INSERT INTO '.$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;
}
-}
-/* End of file mysql_utility.php */
-/* Location: ./system/database/drivers/mysql/mysql_utility.php */ \ No newline at end of file
+}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-06-02 03:15:59 +0200