tbl_indexes.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Displays index edit/creation form and handles it
   5  *
   6  * @package phpMyAdmin
   7  */
   8
   9 /**
  10  * Gets some core libraries
  11  */
  12 require_once './libraries/common.inc.php';
  13 require_once './libraries/Index.class.php';
  14 require_once './libraries/tbl_common.php';
  15
  16 // Get fields and stores their name/type
  17 $fields = array();
  18 foreach (PMA_DBI_get_columns_full($db, $table) as $row) {
  19     if (preg_match('@^(set|enum)\((.+)\)$@i', $row['Type'], $tmp)) {
  20         $tmp[2]         = substr(preg_replace('@([^,])\'\'@', '\\1\\\'',
  21             ',' . $tmp[2]), 1);
  22         $fields[$row['Field']] = $tmp[1] . '(' . str_replace(',', ', ', $tmp[2]) . ')';
  23     } else {
  24         $fields[$row['Field']] = $row['Type'];
  25     }
  26 } // end while
  27
  28 // Prepares the form values
  29 if (isset($_REQUEST['index'])) {
  30     if (is_array($_REQUEST['index'])) {
  31         // coming already from form
  32         $index = new PMA_Index($_REQUEST['index']);
  33     } else {
  34         $index = PMA_Index::singleton($db, $table, $_REQUEST['index']);
  35     }
  36 } else {
  37     $index = new PMA_Index;
  38 }
  39
  40 /**
  41  * Process the data from the edit/create index form,
  42  * run the query to build the new index
  43  * and moves back to "tbl_sql.php"
  44  */
  45 if (isset($_REQUEST['do_save_data'])) {
  46     $error = false;
  47
  48     // $sql_query is the one displayed in the query box
  49     $sql_query = 'ALTER TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table);
  50
  51     // Drops the old index
  52     if (! empty($_REQUEST['old_index'])) {
  53         if ($_REQUEST['old_index'] == 'PRIMARY') {
  54             $sql_query .= ' DROP PRIMARY KEY,';
  55         } else {
  56             $sql_query .= ' DROP INDEX ' . PMA_backquote($_REQUEST['old_index']) . ',';
  57         }
  58     } // end if
  59
  60     // Builds the new one
  61     switch ($index->getType()) {
  62         case 'PRIMARY':
  63             if ($index->getName() == '') {
  64                 $index->setName('PRIMARY');
  65             } elseif ($index->getName() != 'PRIMARY') {
  66                 $error = PMA_Message::error(__('The name of the primary key must be "PRIMARY"!'));
  67             }
  68             $sql_query .= ' ADD PRIMARY KEY';
  69             break;
  70         case 'FULLTEXT':
  71         case 'UNIQUE':
  72         case 'INDEX':
  73         case 'SPATIAL':
  74             if ($index->getName() == 'PRIMARY') {
  75                 $error = PMA_Message::error(__('Can\'t rename index to PRIMARY!'));
  76             }
  77             $sql_query .= ' ADD ' . $index->getType() . ' '
  78                 . ($index->getName() ? PMA_backquote($index->getName()) : '');
  79             break;
  80     } // end switch
  81
  82     $index_fields = array();
  83     foreach ($index->getColumns() as $key => $column) {
  84         $index_fields[$key] = PMA_backquote($column->getName());
  85         if ($column->getSubPart()) {
  86             $index_fields[$key] .= '(' . $column->getSubPart() . ')';
  87         }
  88     } // end while
  89
  90     if (empty($index_fields)){
  91         $error = PMA_Message::error(__('No index parts defined!'));
  92     } else {
  93         $sql_query .= ' (' . implode(', ', $index_fields) . ')';
  94     }
  95
  96     if (! $error) {
  97         PMA_DBI_query($sql_query);
  98         $message = PMA_Message::success(__('Table %1$s has been altered successfully'));
  99         $message->addParam($table);
 100
 101         $active_page = 'tbl_structure.php';
 102         require './tbl_structure.php';
 103         exit;
 104     } else {
 105         $error->display();
 106     }
 107 } // end builds the new index
 108
 109
 110 /**
 111  * Display the form to edit/create an index
 112  */
 113
 114 // Displays headers (if needed)
 115 $GLOBALS['js_include'][] = 'indexes.js';
 116
 117 require_once './libraries/tbl_info.inc.php';
 118 require_once './libraries/tbl_links.inc.php';
 119
 120 if (isset($_REQUEST['index']) && is_array($_REQUEST['index'])) {
 121     // coming already from form
 122     $add_fields =
 123         count($_REQUEST['index']['columns']['names']) - $index->getColumnCount();
 124     if (isset($_REQUEST['add_fields'])) {
 125         $add_fields += $_REQUEST['added_fields'];
 126     }
 127 } elseif (isset($_REQUEST['create_index'])) {
 128     $add_fields = $_REQUEST['added_fields'];
 129 } else {
 130     $add_fields = 1;
 131 }
 132
 133 // end preparing form values
 134 ?>
 135
 136 <form action="./tbl_indexes.php" method="post" name="index_frm"
 137     onsubmit="if (typeof(this.elements['index'].disabled) != 'undefined') {
 138         this.elements['index'].disabled = false}">
 139 <?php
 140 $form_params = array(
 141     'db'    => $db,
 142     'table' => $table,
 143 );
 144
 145 if (isset($_REQUEST['create_index'])) {
 146     $form_params['create_index'] = 1;
 147 } elseif (isset($_REQUEST['old_index'])) {
 148     $form_params['old_index'] = $_REQUEST['old_index'];
 149 } elseif (isset($_REQUEST['index'])) {
 150     $form_params['old_index'] = $_REQUEST['index'];
 151 }
 152
 153 echo PMA_generate_common_hidden_inputs($form_params);
 154 ?>
 155 <fieldset>
 156     <legend>
 157 <?php
 158 if (isset($_REQUEST['create_index'])) {
 159     echo __('Create a new index');
 160 } else {
 161     echo __('Modify an index');
 162 }
 163 ?>
 164     </legend>
 165
 166 <div class="formelement">
 167 <label for="input_index_name"><?php echo __('Index name:'); ?></label>
 168 <input type="text" name="index[Key_name]" id="input_index_name" size="25"
 169     value="<?php echo htmlspecialchars($index->getName()); ?>" onfocus="this.select()" />
 170 </div>
 171
 172 <div class="formelement">
 173 <label for="select_index_type"><?php echo __('Index type:'); ?></label>
 174 <select name="index[Index_type]" id="select_index_type" onchange="return checkIndexName()">
 175     <?php echo $index->generateIndexSelector(); ?>
 176 </select>
 177 <?php echo PMA_showMySQLDocu('SQL-Syntax', 'ALTER_TABLE'); ?>
 178 </div>
 179
 180
 181 <br class="clearfloat" />
 182 <?php
 183 PMA_Message::error(__('("PRIMARY" <b>must</b> be the name of and <b>only of</b> a primary key!)'))->display();
 184 ?>
 185
 186 <table>
 187 <thead>
 188 <tr><th><?php echo __('Column'); ?></th>
 189     <th><?php echo __('Size'); ?></th>
 190 </tr>
 191 </thead>
 192 <tbody>
 193 <?php
 194 $odd_row = true;
 195 $spatial_types = array(
 196     'geometry', 'point', 'linestring', 'polygon', 'multipoint',
 197     'multilinestring', 'multipolygon', 'geomtrycollection'
 198 );
 199 foreach ($index->getColumns() as $column) {
 200     ?>
 201 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
 202     <td><select name="index[columns][names][]">
 203             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 204     <?php
 205     foreach ($fields as $field_name => $field_type) {
 206         if (($index->getType() != 'FULLTEXT' || preg_match('/(char|text)/i', $field_type))
 207             && ($index->getType() != 'SPATIAL' || in_array($field_type, $spatial_types))
 208         ) {
 209             echo '<option value="' . htmlspecialchars($field_name) . '"'
 210                  . (($field_name == $column->getName()) ? ' selected="selected"' : '') . '>'
 211                  . htmlspecialchars($field_name) . ' [' . $field_type . ']'
 212                  . '</option>' . "\n";
 213         }
 214     } // end foreach $fields
 215     ?>
 216         </select>
 217     </td>
 218     <td><input type="text" size="5" onfocus="this.select()"
 219             name="index[columns][sub_parts][]"
 220             value="<?php if ($index->getType() != 'SPATIAL') { echo $column->getSubPart(); } ?>" />
 221     </td>
 222 </tr>
 223     <?php
 224     $odd_row = !$odd_row;
 225 } // end foreach $edited_index_info['Sequences']
 226 for ($i = 0; $i < $add_fields; $i++) {
 227     ?>
 228 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
 229     <td><select name="index[columns][names][]">
 230             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 231     <?php
 232     foreach ($fields as $field_name => $field_type) {
 233         echo '<option value="' . htmlspecialchars($field_name) . '">'
 234              . htmlspecialchars($field_name) . ' [' . $field_type . ']'
 235              . '</option>' . "\n";
 236     } // end foreach $fields
 237     ?>
 238         </select>
 239     </td>
 240     <td><input type="text" size="5" onfocus="this.select()"
 241             name="index[columns][sub_parts][]" value="" />
 242     </td>
 243 </tr>
 244     <?php
 245     $odd_row = !$odd_row;
 246 } // end foreach $edited_index_info['Sequences']
 247 ?>
 248 </tbody>
 249 </table>
 250 </fieldset>
 251
 252 <fieldset class="tblFooters">
 253     <input type="submit" name="do_save_data" value="<?php echo __('Save'); ?>" />
 254     <span id="addMoreColumns">
 255 <?php
 256 echo __('Or') . ' ';
 257 echo sprintf(__('Add to index &nbsp;%s&nbsp;column(s)'),
 258         '<input type="text" name="added_fields" size="2" value="1"'
 259     .' onfocus="this.select()" />') . "\n";
 260 echo '<input type="submit" name="add_fields" value="' . __('Go') . '"'
 261     .' onclick="return checkFormElementInRange(this.form,'
 262     ." 'added_fields', '" . PMA_jsFormat(__('Column count has to be larger than zero.')) . "', 1"
 263     .')" />' . "\n";
 264 ?>
 265     </span>
 266 </fieldset>
 267 </form>
 268 <?php
 269
 270 /**
 271  * Displays the footer
 272  */
 273 require './libraries/footer.inc.php';
 274 ?>