sqlite_result.php

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00001 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
00002 /**
00003  * CodeIgniter
00004  *
00005  * An open source application development framework for PHP 4.3.2 or newer
00006  *
00007  * @package             CodeIgniter
00008  * @author              ExpressionEngine Dev Team
00009  * @copyright   Copyright (c) 2008, EllisLab, Inc.
00010  * @license             http://codeigniter.com/user_guide/license.html
00011  * @link                http://codeigniter.com
00012  * @since               Version 1.0
00013  * @filesource
00014  */
00015 
00016 // ------------------------------------------------------------------------
00017 
00018 /**
00019  * SQLite Result Class
00020  *
00021  * This class extends the parent result class: CI_DB_result
00022  *
00023  * @category    Database
00024  * @author              ExpressionEngine Dev Team
00025  * @link                http://codeigniter.com/user_guide/database/
00026  */
00027 class CI_DB_sqlite_result extends CI_DB_result {
00028         
00029         /**
00030          * Number of rows in the result set
00031          *
00032          * @access      public
00033          * @return      integer
00034          */
00035         function num_rows()
00036         {
00037                 return @sqlite_num_rows($this->result_id);
00038         }
00039         
00040         // --------------------------------------------------------------------
00041 
00042         /**
00043          * Number of fields in the result set
00044          *
00045          * @access      public
00046          * @return      integer
00047          */
00048         function num_fields()
00049         {
00050                 return @sqlite_num_fields($this->result_id);
00051         }
00052 
00053         // --------------------------------------------------------------------
00054 
00055         /**
00056          * Fetch Field Names
00057          *
00058          * Generates an array of column names
00059          *
00060          * @access      public
00061          * @return      array
00062          */
00063         function list_fields()
00064         {
00065                 $field_names = array();
00066                 for ($i = 0; $i < $this->num_fields(); $i++)
00067                 {
00068                         $field_names[] = sqlite_field_name($this->result_id, $i);
00069                 }
00070                 
00071                 return $field_names;
00072         }
00073 
00074         // --------------------------------------------------------------------
00075 
00076         /**
00077          * Field data
00078          *
00079          * Generates an array of objects containing field meta-data
00080          *
00081          * @access      public
00082          * @return      array
00083          */
00084         function field_data()
00085         {
00086                 $retval = array();
00087                 for ($i = 0; $i < $this->num_fields(); $i++)
00088                 {
00089                         $F                              = new stdClass();
00090                         $F->name                = sqlite_field_name($this->result_id, $i);
00091                         $F->type                = 'varchar';
00092                         $F->max_length  = 0;
00093                         $F->primary_key = 0;
00094                         $F->default             = '';
00095 
00096                         $retval[] = $F;
00097                 }
00098                 
00099                 return $retval;
00100         }
00101 
00102         // --------------------------------------------------------------------
00103 
00104         /**
00105          * Free the result
00106          *
00107          * @return      null
00108          */             
00109         function free_result()
00110         {
00111                 // Not implemented in SQLite
00112         }
00113 
00114         // --------------------------------------------------------------------
00115 
00116         /**
00117          * Data Seek
00118          *
00119          * Moves the internal pointer to the desired offset.  We call
00120          * this internally before fetching results to make sure the
00121          * result set starts at zero
00122          *
00123          * @access      private
00124          * @return      array
00125          */
00126         function _data_seek($n = 0)
00127         {
00128                 return sqlite_seek($this->result_id, $n);
00129         }
00130 
00131         // --------------------------------------------------------------------
00132 
00133         /**
00134          * Result - associative array
00135          *
00136          * Returns the result set as an array
00137          *
00138          * @access      private
00139          * @return      array
00140          */
00141         function _fetch_assoc()
00142         {
00143                 return sqlite_fetch_array($this->result_id);
00144         }
00145         
00146         // --------------------------------------------------------------------
00147 
00148         /**
00149          * Result - object
00150          *
00151          * Returns the result set as an object
00152          *
00153          * @access      private
00154          * @return      object
00155          */
00156         function _fetch_object()
00157         {
00158                 if (function_exists('sqlite_fetch_object'))
00159                 {
00160                         return sqlite_fetch_object($this->result_id);
00161                 }
00162                 else
00163                 {
00164                         $arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC);
00165                         if (is_array($arr))
00166                         {
00167                                 $obj = (object) $arr;
00168                                 return $obj;
00169                         } else {
00170                                 return NULL;
00171                         } 
00172                 }
00173         }
00174 
00175 }
00176 
00177 
00178 /* End of file sqlite_result.php */
00179 /* Location: ./system/database/drivers/sqlite/sqlite_result.php */