database/drivers/odbc/odbc_result.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 Result Class
  20  *
  21  * This class extends the parent result class: CI_DB_result
  22  *
  23  * @category    Database
  24  * @author              ExpressionEngine Dev Team
  25  * @link                http://codeigniter.com/user_guide/database/
  26  */
  27 class CI_DB_odbc_result extends CI_DB_result {
  28
  29         /**
  30          * Number of rows in the result set
  31          *
  32          * @access      public
  33          * @return      integer
  34          */
  35         function num_rows()
  36         {
  37                 return @odbc_num_rows($this->result_id);
  38         }
  39
  40         // --------------------------------------------------------------------
  41
  42         /**
  43          * Number of fields in the result set
  44          *
  45          * @access      public
  46          * @return      integer
  47          */
  48         function num_fields()
  49         {
  50                 return @odbc_num_fields($this->result_id);
  51         }
  52
  53         // --------------------------------------------------------------------
  54
  55         /**
  56          * Fetch Field Names
  57          *
  58          * Generates an array of column names
  59          *
  60          * @access      public
  61          * @return      array
  62          */
  63         function list_fields()
  64         {
  65                 $field_names = array();
  66                 for ($i = 0; $i < $this->num_fields(); $i++)
  67                 {
  68                         $field_names[]  = odbc_field_name($this->result_id, $i);
  69                 }
  70
  71                 return $field_names;
  72         }
  73
  74         // --------------------------------------------------------------------
  75
  76         /**
  77          * Field data
  78          *
  79          * Generates an array of objects containing field meta-data
  80          *
  81          * @access      public
  82          * @return      array
  83          */
  84         function field_data()
  85         {
  86                 $retval = array();
  87                 for ($i = 0; $i < $this->num_fields(); $i++)
  88                 {
  89                         $F                              = new stdClass();
  90                         $F->name                = odbc_field_name($this->result_id, $i);
  91                         $F->type                = odbc_field_type($this->result_id, $i);
  92                         $F->max_length  = odbc_field_len($this->result_id, $i);
  93                         $F->primary_key = 0;
  94                         $F->default             = '';
  95
  96                         $retval[] = $F;
  97                 }
  98
  99                 return $retval;
 100         }
 101
 102         // --------------------------------------------------------------------
 103
 104         /**
 105          * Free the result
 106          *
 107          * @return      null
 108          */
 109         function free_result()
 110         {
 111                 if (is_resource($this->result_id))
 112                 {
 113                         odbc_free_result($this->result_id);
 114                         $this->result_id = FALSE;
 115                 }
 116         }
 117
 118         // --------------------------------------------------------------------
 119
 120         /**
 121          * Data Seek
 122          *
 123          * Moves the internal pointer to the desired offset.  We call
 124          * this internally before fetching results to make sure the
 125          * result set starts at zero
 126          *
 127          * @access      private
 128          * @return      array
 129          */
 130         function _data_seek($n = 0)
 131         {
 132                 return FALSE;
 133         }
 134
 135         // --------------------------------------------------------------------
 136
 137         /**
 138          * Result - associative array
 139          *
 140          * Returns the result set as an array
 141          *
 142          * @access      private
 143          * @return      array
 144          */
 145         function _fetch_assoc()
 146         {
 147                 if (function_exists('odbc_fetch_object'))
 148                 {
 149                         return odbc_fetch_array($this->result_id);
 150                 }
 151                 else
 152                 {
 153                         return $this->_odbc_fetch_array($this->result_id);
 154                 }
 155         }
 156
 157         // --------------------------------------------------------------------
 158
 159         /**
 160          * Result - object
 161          *
 162          * Returns the result set as an object
 163          *
 164          * @access      private
 165          * @return      object
 166          */
 167         function _fetch_object()
 168         {
 169                 if (function_exists('odbc_fetch_object'))
 170                 {
 171                         return odbc_fetch_object($this->result_id);
 172                 }
 173                 else
 174                 {
 175                         return $this->_odbc_fetch_object($this->result_id);
 176                 }
 177         }
 178
 179
 180         /**
 181          * Result - object
 182          *
 183          * subsititutes the odbc_fetch_object function when
 184          * not available (odbc_fetch_object requires unixODBC)
 185          *
 186          * @access      private
 187          * @return      object
 188          */
 189         function _odbc_fetch_object(& $odbc_result) {
 190                 $rs = array();
 191                 $rs_obj = false;
 192                 if (odbc_fetch_into($odbc_result, $rs)) {
 193                         foreach ($rs as $k=>$v) {
 194                                 $field_name= odbc_field_name($odbc_result, $k+1);
 195                                 $rs_obj->$field_name = $v;
 196                         }
 197                 }
 198                 return $rs_obj;
 199         }
 200
 201
 202         /**
 203          * Result - array
 204          *
 205          * subsititutes the odbc_fetch_array function when
 206          * not available (odbc_fetch_array requires unixODBC)
 207          *
 208          * @access      private
 209          * @return      array
 210          */
 211         function _odbc_fetch_array(& $odbc_result) {
 212                 $rs = array();
 213                 $rs_assoc = false;
 214                 if (odbc_fetch_into($odbc_result, $rs)) {
 215                         $rs_assoc=array();
 216                         foreach ($rs as $k=>$v) {
 217                                 $field_name= odbc_field_name($odbc_result, $k+1);
 218                                 $rs_assoc[$field_name] = $v;
 219                         }
 220                 }
 221                 return $rs_assoc;
 222         }
 223
 224 }
 225
 226
 227 /* End of file odbc_result.php */
 228 /* Location: ./system/database/drivers/odbc/odbc_result.php */