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) 2006, 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         // Deprecated
00075         function field_names()
00076         {
00077                 return $this->list_fields();
00078         }
00079 
00080         // --------------------------------------------------------------------
00081 
00082         /**
00083          * Field data
00084          *
00085          * Generates an array of objects containing field meta-data
00086          *
00087          * @access      public
00088          * @return      array
00089          */
00090         function field_data()
00091         {
00092                 $retval = array();
00093                 for ($i = 0; $i < $this->num_fields(); $i++)
00094                 {
00095                         $F                              = new stdClass();
00096                         $F->name                = sqlite_field_name($this->result_id, $i);
00097                         $F->type                = 'varchar';
00098                         $F->max_length  = 0;
00099                         $F->primary_key = 0;
00100                         $F->default             = '';
00101 
00102                         $retval[] = $F;
00103                 }
00104                 
00105                 return $retval;
00106         }
00107 
00108         // --------------------------------------------------------------------
00109 
00110         /**
00111          * Free the result
00112          *
00113          * @return      null
00114          */             
00115         function free_result()
00116         {
00117                 // Not implemented in SQLite
00118         }
00119 
00120         // --------------------------------------------------------------------
00121 
00122         /**
00123          * Data Seek
00124          *
00125          * Moves the internal pointer to the desired offset.  We call
00126          * this internally before fetching results to make sure the
00127          * result set starts at zero
00128          *
00129          * @access      private
00130          * @return      array
00131          */
00132         function _data_seek($n = 0)
00133         {
00134                 return sqlite_seek($this->result_id, $n);
00135         }
00136 
00137         // --------------------------------------------------------------------
00138 
00139         /**
00140          * Result - associative array
00141          *
00142          * Returns the result set as an array
00143          *
00144          * @access      private
00145          * @return      array
00146          */
00147         function _fetch_assoc()
00148         {
00149                 return sqlite_fetch_array($this->result_id);
00150         }
00151         
00152         // --------------------------------------------------------------------
00153 
00154         /**
00155          * Result - object
00156          *
00157          * Returns the result set as an object
00158          *
00159          * @access      private
00160          * @return      object
00161          */
00162         function _fetch_object()
00163         {
00164                 if (function_exists('sqlite_fetch_object'))
00165                 {
00166                         return sqlite_fetch_object($this->result_id);
00167                 }
00168                 else
00169                 {
00170                         $arr = sqlite_fetch_array($this->result_id, SQLITE_ASSOC);
00171                         if (is_array($arr))
00172                         {
00173                                 $obj = (object) $arr;
00174                                 return $obj;
00175                         } else {
00176                                 return NULL;
00177                         } 
00178                 }
00179         }
00180 
00181 }
00182 
00183 
00184 /* End of file sqlite_result.php */
00185 /* Location: ./system/database/drivers/sqlite/sqlite_result.php */