database/drivers/odbc/odbc_utility.php

   1 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
   2 /**
   3  * CodeIgniter
   4  *
   5  * An open source application development framework for PHP 4.3.2 or newer
   6  *
   7  * @package             CodeIgniter
   8  * @author              ExpressionEngine Dev Team
   9  * @copyright   Copyright (c) 2008 - 2009, EllisLab, Inc.
  10  * @license             http://codeigniter.com/user_guide/license.html
  11  * @link                http://codeigniter.com
  12  * @since               Version 1.0
  13  * @filesource
  14  */
  15
  16 // ------------------------------------------------------------------------
  17
  18 /**
  19  * ODBC Utility Class
  20  *
  21  * @category    Database
  22  * @author              ExpressionEngine Dev Team
  23  * @link                http://codeigniter.com/database/
  24  */
  25 class CI_DB_odbc_utility extends CI_DB_utility {
  26
  27         /**
  28          * List databases
  29          *
  30          * @access      private
  31          * @return      bool
  32          */
  33         function _list_databases()
  34         {
  35                 // Not sure if ODBC lets you list all databases...
  36                 if ($this->db->db_debug)
  37                 {
  38                         return $this->db->display_error('db_unsuported_feature');
  39                 }
  40                 return FALSE;
  41         }
  42
  43         // --------------------------------------------------------------------
  44
  45         /**
  46          * Optimize table query
  47          *
  48          * Generates a platform-specific query so that a table can be optimized
  49          *
  50          * @access      private
  51          * @param       string  the table name
  52          * @return      object
  53          */
  54         function _optimize_table($table)
  55         {
  56                 // Not a supported ODBC feature
  57                 if ($this->db->db_debug)
  58                 {
  59                         return $this->db->display_error('db_unsuported_feature');
  60                 }
  61                 return FALSE;
  62         }
  63
  64         // --------------------------------------------------------------------
  65
  66         /**
  67          * Repair table query
  68          *
  69          * Generates a platform-specific query so that a table can be repaired
  70          *
  71          * @access      private
  72          * @param       string  the table name
  73          * @return      object
  74          */
  75         function _repair_table($table)
  76         {
  77                 // Not a supported ODBC feature
  78                 if ($this->db->db_debug)
  79                 {
  80                         return $this->db->display_error('db_unsuported_feature');
  81                 }
  82                 return FALSE;
  83         }
  84
  85         // --------------------------------------------------------------------
  86
  87         /**
  88          * ODBC Export
  89          *
  90          * @access      private
  91          * @param       array   Preferences
  92          * @return      mixed
  93          */
  94         function _backup($params = array())
  95         {
  96                 // Currently unsupported
  97                 return $this->db->display_error('db_unsuported_feature');
  98         }
  99
 100         /**
 101          *
 102          * The functions below have been deprecated as of 1.6, and are only here for backwards
 103          * compatibility.  They now reside in dbforge().  The use of dbutils for database manipulation
 104          * is STRONGLY discouraged in favour if using dbforge.
 105          *
 106          */
 107
 108         /**
 109          * Create database
 110          *
 111          * @access      private
 112          * @param       string  the database name
 113          * @return      bool
 114          */
 115         function _create_database()
 116         {
 117                 // ODBC has no "create database" command since it's
 118                 // designed to connect to an existing database
 119                 if ($this->db->db_debug)
 120                 {
 121                         return $this->db->display_error('db_unsuported_feature');
 122                 }
 123                 return FALSE;
 124         }
 125
 126         // --------------------------------------------------------------------
 127
 128         /**
 129          * Drop database
 130          *
 131          * @access      private
 132          * @param       string  the database name
 133          * @return      bool
 134          */
 135         function _drop_database($name)
 136         {
 137                 // ODBC has no "drop database" command since it's
 138                 // designed to connect to an existing database
 139                 if ($this->db->db_debug)
 140                 {
 141                         return $this->db->display_error('db_unsuported_feature');
 142                 }
 143                 return FALSE;
 144         }
 145 }
 146
 147 /* End of file odbc_utility.php */
 148 /* Location: ./system/database/drivers/odbc/odbc_utility.php */