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Viewing changes to codeigniter/system/database/drivers/mysql/mysql_utility.php

  • Committer: galaxyAbstractor
  • Date: 2013-04-10 15:49:32 UTC
  • mto: (19.1.5 lenasys)
  • mto: This revision was merged to the branch mainline in revision 23.
  • Revision ID: galaxyabstractor@gmail.com-20130410154932-4vizlzk0ar5gykvi
* Added an simple admin panel to the codeviewer-cmssy stuff
* Redesigned a bit like the mockups - still stuff to come
* Implemented the codeviewer + admin panel again using the Framework CodeIgniter instead 

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codeigniter/system/database/drivers/mysql/mysql_utility.php
 
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<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 
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/**
 
3
 * CodeIgniter
 
4
 *
 
5
 * An open source application development framework for PHP 5.1.6 or newer
 
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 *
 
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 * @package             CodeIgniter
 
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 * @author              ExpressionEngine Dev Team
 
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 * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
 
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 * @license             http://codeigniter.com/user_guide/license.html
 
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 * @link                http://codeigniter.com
 
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 * @since               Version 1.0
 
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 * @filesource
 
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 */
 
15
 
 
16
// ------------------------------------------------------------------------
 
17
 
 
18
/**
 
19
 * MySQL Utility Class
 
20
 *
 
21
 * @category    Database
 
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 * @author              ExpressionEngine Dev Team
 
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 * @link                http://codeigniter.com/user_guide/database/
 
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 */
 
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class CI_DB_mysql_utility extends CI_DB_utility {
 
26
 
 
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        /**
 
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         * List databases
 
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         *
 
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         * @access      private
 
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         * @return      bool
 
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         */
 
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        function _list_databases()
 
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        {
 
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                return "SHOW DATABASES";
 
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        }
 
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        // --------------------------------------------------------------------
 
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        /**
 
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         * Optimize table query
 
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         *
 
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         * Generates a platform-specific query so that a table can be optimized
 
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         *
 
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         * @access      private
 
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         * @param       string  the table name
 
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         * @return      object
 
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         */
 
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        function _optimize_table($table)
 
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        {
 
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                return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table);
 
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        }
 
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        // --------------------------------------------------------------------
 
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        /**
 
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         * Repair table query
 
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         *
 
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         * Generates a platform-specific query so that a table can be repaired
 
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         *
 
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         * @access      private
 
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         * @param       string  the table name
 
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         * @return      object
 
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         */
 
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        function _repair_table($table)
 
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        {
 
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                return "REPAIR TABLE ".$this->db->_escape_identifiers($table);
 
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        }
 
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        // --------------------------------------------------------------------
 
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        /**
 
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         * MySQL Export
 
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         *
 
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         * @access      private
 
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         * @param       array   Preferences
 
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         * @return      mixed
 
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         */
 
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        function _backup($params = array())
 
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        {
 
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                if (count($params) == 0)
 
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                {
 
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                        return FALSE;
 
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                }
 
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                // Extract the prefs for simplicity
 
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                extract($params);
 
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                // Build the output
 
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                $output = '';
 
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                foreach ((array)$tables as $table)
 
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                {
 
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                        // Is the table in the "ignore" list?
 
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                        if (in_array($table, (array)$ignore, TRUE))
 
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                        {
 
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                                continue;
 
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                        }
 
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                        // Get the table schema
 
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                        $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`');
 
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                        // No result means the table name was invalid
 
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                        if ($query === FALSE)
 
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                        {
 
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                                continue;
 
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                        }
 
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                        // Write out the table schema
 
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                        $output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
 
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                        if ($add_drop == TRUE)
 
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                        {
 
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                                $output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline;
 
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                        }
 
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                        $i = 0;
 
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                        $result = $query->result_array();
 
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                        foreach ($result[0] as $val)
 
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                        {
 
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                                if ($i++ % 2)
 
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                                {
 
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                                        $output .= $val.';'.$newline.$newline;
 
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                                }
 
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                        }
 
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                        // If inserts are not needed we're done...
 
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                        if ($add_insert == FALSE)
 
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                        {
 
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                                continue;
 
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                        }
 
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                        // Grab all the data from the current table
 
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                        $query = $this->db->query("SELECT * FROM $table");
 
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                        if ($query->num_rows() == 0)
 
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                        {
 
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                                continue;
 
137
                        }
 
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                        // Fetch the field names and determine if the field is an
 
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                        // integer type.  We use this info to decide whether to
 
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                        // surround the data with quotes or not
 
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                        $i = 0;
 
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                        $field_str = '';
 
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                        $is_int = array();
 
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                        while ($field = mysql_fetch_field($query->result_id))
 
147
                        {
 
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                                // Most versions of MySQL store timestamp as a string
 
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                                $is_int[$i] = (in_array(
 
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                                                                                strtolower(mysql_field_type($query->result_id, $i)),
 
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                                                                                array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'),
 
152
                                                                                TRUE)
 
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                                                                                ) ? TRUE : FALSE;
 
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                                // Create a string of field names
 
156
                                $field_str .= '`'.$field->name.'`, ';
 
157
                                $i++;
 
158
                        }
 
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                        // Trim off the end comma
 
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                        $field_str = preg_replace( "/, $/" , "" , $field_str);
 
162
 
 
163
 
 
164
                        // Build the insert string
 
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                        foreach ($query->result_array() as $row)
 
166
                        {
 
167
                                $val_str = '';
 
168
 
 
169
                                $i = 0;
 
170
                                foreach ($row as $v)
 
171
                                {
 
172
                                        // Is the value NULL?
 
173
                                        if ($v === NULL)
 
174
                                        {
 
175
                                                $val_str .= 'NULL';
 
176
                                        }
 
177
                                        else
 
178
                                        {
 
179
                                                // Escape the data if it's not an integer
 
180
                                                if ($is_int[$i] == FALSE)
 
181
                                                {
 
182
                                                        $val_str .= $this->db->escape($v);
 
183
                                                }
 
184
                                                else
 
185
                                                {
 
186
                                                        $val_str .= $v;
 
187
                                                }
 
188
                                        }
 
189
 
 
190
                                        // Append a comma
 
191
                                        $val_str .= ', ';
 
192
                                        $i++;
 
193
                                }
 
194
 
 
195
                                // Remove the comma at the end of the string
 
196
                                $val_str = preg_replace( "/, $/" , "" , $val_str);
 
197
 
 
198
                                // Build the INSERT string
 
199
                                $output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
 
200
                        }
 
201
 
 
202
                        $output .= $newline.$newline;
 
203
                }
 
204
 
 
205
                return $output;
 
206
        }
 
207
}
 
208
 
 
209
/* End of file mysql_utility.php */
 
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/* Location: ./system/database/drivers/mysql/mysql_utility.php */
 
 
b'\\ No newline at end of file'