Derek Allard | 2067d1a | 2008-11-13 22:59:24 +0000 | [diff] [blame^] | 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, 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 | * oci8 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_oci8_result extends CI_DB_result { |
| 28 | |
| 29 | var $stmt_id; |
| 30 | var $curs_id; |
| 31 | var $limit_used; |
| 32 | |
| 33 | /** |
| 34 | * Number of rows in the result set. |
| 35 | * |
| 36 | * Oracle doesn't have a graceful way to retun the number of rows |
| 37 | * so we have to use what amounts to a hack. |
| 38 | * |
| 39 | * |
| 40 | * @access public |
| 41 | * @return integer |
| 42 | */ |
| 43 | function num_rows() |
| 44 | { |
| 45 | $rowcount = count($this->result_array()); |
| 46 | @ociexecute($this->stmt_id); |
| 47 | |
| 48 | if ($this->curs_id) |
| 49 | { |
| 50 | @ociexecute($this->curs_id); |
| 51 | } |
| 52 | |
| 53 | return $rowcount; |
| 54 | } |
| 55 | |
| 56 | // -------------------------------------------------------------------- |
| 57 | |
| 58 | /** |
| 59 | * Number of fields in the result set |
| 60 | * |
| 61 | * @access public |
| 62 | * @return integer |
| 63 | */ |
| 64 | function num_fields() |
| 65 | { |
| 66 | $count = @ocinumcols($this->stmt_id); |
| 67 | |
| 68 | // if we used a limit we subtract it |
| 69 | if ($this->limit_used) |
| 70 | { |
| 71 | $count = $count - 1; |
| 72 | } |
| 73 | |
| 74 | return $count; |
| 75 | } |
| 76 | |
| 77 | // -------------------------------------------------------------------- |
| 78 | |
| 79 | /** |
| 80 | * Fetch Field Names |
| 81 | * |
| 82 | * Generates an array of column names |
| 83 | * |
| 84 | * @access public |
| 85 | * @return array |
| 86 | */ |
| 87 | function list_fields() |
| 88 | { |
| 89 | $field_names = array(); |
| 90 | $fieldCount = $this->num_fields(); |
| 91 | for ($c = 1; $c <= $fieldCount; $c++) |
| 92 | { |
| 93 | $field_names[] = ocicolumnname($this->stmt_id, $c); |
| 94 | } |
| 95 | return $field_names; |
| 96 | } |
| 97 | |
| 98 | // -------------------------------------------------------------------- |
| 99 | |
| 100 | /** |
| 101 | * Field data |
| 102 | * |
| 103 | * Generates an array of objects containing field meta-data |
| 104 | * |
| 105 | * @access public |
| 106 | * @return array |
| 107 | */ |
| 108 | function field_data() |
| 109 | { |
| 110 | $retval = array(); |
| 111 | $fieldCount = $this->num_fields(); |
| 112 | for ($c = 1; $c <= $fieldCount; $c++) |
| 113 | { |
| 114 | $F = new stdClass(); |
| 115 | $F->name = ocicolumnname($this->stmt_id, $c); |
| 116 | $F->type = ocicolumntype($this->stmt_id, $c); |
| 117 | $F->max_length = ocicolumnsize($this->stmt_id, $c); |
| 118 | |
| 119 | $retval[] = $F; |
| 120 | } |
| 121 | |
| 122 | return $retval; |
| 123 | } |
| 124 | |
| 125 | // -------------------------------------------------------------------- |
| 126 | |
| 127 | /** |
| 128 | * Free the result |
| 129 | * |
| 130 | * @return null |
| 131 | */ |
| 132 | function free_result() |
| 133 | { |
| 134 | if (is_resource($this->result_id)) |
| 135 | { |
| 136 | ocifreestatement($this->result_id); |
| 137 | $this->result_id = FALSE; |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | // -------------------------------------------------------------------- |
| 142 | |
| 143 | /** |
| 144 | * Result - associative array |
| 145 | * |
| 146 | * Returns the result set as an array |
| 147 | * |
| 148 | * @access private |
| 149 | * @return array |
| 150 | */ |
| 151 | function _fetch_assoc(&$row) |
| 152 | { |
| 153 | $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id; |
| 154 | |
| 155 | return ocifetchinto($id, $row, OCI_ASSOC + OCI_RETURN_NULLS); |
| 156 | } |
| 157 | |
| 158 | // -------------------------------------------------------------------- |
| 159 | |
| 160 | /** |
| 161 | * Result - object |
| 162 | * |
| 163 | * Returns the result set as an object |
| 164 | * |
| 165 | * @access private |
| 166 | * @return object |
| 167 | */ |
| 168 | function _fetch_object() |
| 169 | { |
| 170 | $result = array(); |
| 171 | |
| 172 | // If PHP 5 is being used we can fetch an result object |
| 173 | if (function_exists('oci_fetch_object')) |
| 174 | { |
| 175 | $id = ($this->curs_id) ? $this->curs_id : $this->stmt_id; |
| 176 | |
| 177 | return @oci_fetch_object($id); |
| 178 | } |
| 179 | |
| 180 | // If PHP 4 is being used we have to build our own result |
| 181 | foreach ($this->result_array() as $key => $val) |
| 182 | { |
| 183 | $obj = new stdClass(); |
| 184 | if (is_array($val)) |
| 185 | { |
| 186 | foreach ($val as $k => $v) |
| 187 | { |
| 188 | $obj->$k = $v; |
| 189 | } |
| 190 | } |
| 191 | else |
| 192 | { |
| 193 | $obj->$key = $val; |
| 194 | } |
| 195 | |
| 196 | $result[] = $obj; |
| 197 | } |
| 198 | |
| 199 | return $result; |
| 200 | } |
| 201 | |
| 202 | // -------------------------------------------------------------------- |
| 203 | |
| 204 | /** |
| 205 | * Query result. "array" version. |
| 206 | * |
| 207 | * @access public |
| 208 | * @return array |
| 209 | */ |
| 210 | function result_array() |
| 211 | { |
| 212 | if (count($this->result_array) > 0) |
| 213 | { |
| 214 | return $this->result_array; |
| 215 | } |
| 216 | |
| 217 | // oracle's fetch functions do not return arrays. |
| 218 | // The information is returned in reference parameters |
| 219 | $row = NULL; |
| 220 | while ($this->_fetch_assoc($row)) |
| 221 | { |
| 222 | $this->result_array[] = $row; |
| 223 | } |
| 224 | |
| 225 | return $this->result_array; |
| 226 | } |
| 227 | |
| 228 | // -------------------------------------------------------------------- |
| 229 | |
| 230 | /** |
| 231 | * Data Seek |
| 232 | * |
| 233 | * Moves the internal pointer to the desired offset. We call |
| 234 | * this internally before fetching results to make sure the |
| 235 | * result set starts at zero |
| 236 | * |
| 237 | * @access private |
| 238 | * @return array |
| 239 | */ |
| 240 | function _data_seek($n = 0) |
| 241 | { |
| 242 | return FALSE; // Not needed |
| 243 | } |
| 244 | |
| 245 | } |
| 246 | |
| 247 | |
| 248 | /* End of file oci8_result.php */ |
Derek Jones | a3ffbbb | 2008-05-11 18:18:29 +0000 | [diff] [blame] | 249 | /* Location: ./system/database/drivers/oci8/oci8_result.php */ |