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         if ( $GLOBALS['is_ajax_request'] == true) {
 102             $extra_data['index_table'] = PMA_Index::getView($table, $db);
 103             $extra_data['sql_query'] = PMA_showMessage(null, $sql_query);
 104             PMA_ajaxResponse($message, $message->isSuccess(), $extra_data);
 105         }
 106
 107         $active_page = 'tbl_structure.php';
 108         include './tbl_structure.php';
 109         exit;
 110     } else {
 111         if ( $GLOBALS['is_ajax_request'] == true) {
 112             $extra_data['error'] = $error;
 113             PMA_ajaxResponse($error, false);
 114         }
 115         $error->display();
 116     }
 117 } // end builds the new index
 118
 119
 120 /**
 121  * Display the form to edit/create an index
 122  */
 123
 124 // Displays headers (if needed)
 125 $GLOBALS['js_include'][] = 'indexes.js';
 126 require_once './libraries/tbl_info.inc.php';
 127 if ($GLOBALS['is_ajax_request'] != true) {
 128     include_once './libraries/tbl_links.inc.php';
 129 }
 130
 131 if (isset($_REQUEST['index']) && is_array($_REQUEST['index'])) {
 132     // coming already from form
 133     $add_fields =
 134         count($_REQUEST['index']['columns']['names']) - $index->getColumnCount();
 135     if (isset($_REQUEST['add_fields'])) {
 136         $add_fields += $_REQUEST['added_fields'];
 137     }
 138 } elseif (isset($_REQUEST['create_index'])) {
 139     $add_fields = $_REQUEST['added_fields'];
 140 } else {
 141     $add_fields = 1;
 142 }
 143
 144 // end preparing form values
 145 ?>
 146
 147 <form action="./tbl_indexes.php" method="post" name="index_frm" id="index_frm" <?php echo ($GLOBALS['cfg']['AjaxEnable'] ? ' class="ajax"' : ''); ?>
 148     onsubmit="if (typeof(this.elements['index[Key_name]'].disabled) != 'undefined') {
 149         this.elements['index[Key_name]'].disabled = false}">
 150 <?php
 151 $form_params = array(
 152     'db'    => $db,
 153     'table' => $table,
 154 );
 155
 156 if (isset($_REQUEST['create_index'])) {
 157     $form_params['create_index'] = 1;
 158 } elseif (isset($_REQUEST['old_index'])) {
 159     $form_params['old_index'] = $_REQUEST['old_index'];
 160 } elseif (isset($_REQUEST['index'])) {
 161     $form_params['old_index'] = $_REQUEST['index'];
 162 }
 163
 164 echo PMA_generate_common_hidden_inputs($form_params);
 165 ?>
 166 <fieldset id="index_edit_fields">
 167 <?php
 168 if ($GLOBALS['is_ajax_request'] != true) {
 169 ?>
 170     <legend>
 171 <?php
 172     if (isset($_REQUEST['create_index'])) {
 173         echo __('Add index');
 174     } else {
 175         echo __('Edit index');
 176     }
 177 ?>
 178     </legend>
 179 <?php
 180 }
 181 ?>
 182 <div class='index_info'>
 183     <div>
 184         <div class="label">
 185             <strong>
 186                 <label for="input_index_name">
 187                     <?php echo __('Index name:'); ?>
 188                     <?php echo PMA_showhint(PMA_Message::notice(__('("PRIMARY" <b>must</b> be the name of and <b>only of</b> a primary key!)'))); ?>
 189                 </label>
 190             </strong>
 191         </div>
 192         <input type="text" name="index[Key_name]" id="input_index_name" size="25"
 193             value="<?php echo htmlspecialchars($index->getName()); ?>" onfocus="this.select()" />
 194     </div>
 195     <div>
 196         <div class="label">
 197             <strong>
 198                 <label for="select_index_type">
 199                     <?php echo __('Index type:'); ?>
 200                     <?php echo PMA_showMySQLDocu('SQL-Syntax', 'ALTER_TABLE'); ?>
 201                 </label>
 202             </strong>
 203         </div>
 204         <select name="index[Index_type]" id="select_index_type" >
 205             <?php echo $index->generateIndexSelector(); ?>
 206         </select>
 207     </div>
 208     <div class="clearfloat"></div>
 209 </div>
 210
 211 <table id="index_columns">
 212 <thead>
 213 <tr><th><?php echo __('Column'); ?></th>
 214     <th><?php echo __('Size'); ?></th>
 215 </tr>
 216 </thead>
 217 <tbody>
 218 <?php
 219 $odd_row = true;
 220 $spatial_types = array(
 221     'geometry', 'point', 'linestring', 'polygon', 'multipoint',
 222     'multilinestring', 'multipolygon', 'geomtrycollection'
 223 );
 224 foreach ($index->getColumns() as $column) {
 225     ?>
 226 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick">
 227     <td><select name="index[columns][names][]">
 228             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 229     <?php
 230     foreach ($fields as $field_name => $field_type) {
 231         if (($index->getType() != 'FULLTEXT' || preg_match('/(char|text)/i', $field_type))
 232             && ($index->getType() != 'SPATIAL' || in_array($field_type, $spatial_types))
 233         ) {
 234             echo '<option value="' . htmlspecialchars($field_name) . '"'
 235                  . (($field_name == $column->getName()) ? ' selected="selected"' : '') . '>'
 236                  . htmlspecialchars($field_name) . ' [' . $field_type . ']'
 237                  . '</option>' . "\n";
 238         }
 239     } // end foreach $fields
 240     ?>
 241         </select>
 242     </td>
 243     <td><input type="text" size="5" onfocus="this.select()"
 244             name="index[columns][sub_parts][]"
 245             value="<?php if ($index->getType() != 'SPATIAL') { echo $column->getSubPart(); } ?>" />
 246     </td>
 247 </tr>
 248     <?php
 249     $odd_row = !$odd_row;
 250 } // end foreach $edited_index_info['Sequences']
 251 for ($i = 0; $i < $add_fields; $i++) {
 252     ?>
 253 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick">
 254     <td><select name="index[columns][names][]">
 255             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 256     <?php
 257     foreach ($fields as $field_name => $field_type) {
 258         echo '<option value="' . htmlspecialchars($field_name) . '">'
 259              . htmlspecialchars($field_name) . ' [' . $field_type . ']'
 260              . '</option>' . "\n";
 261     } // end foreach $fields
 262     ?>
 263         </select>
 264     </td>
 265     <td><input type="text" size="5" onfocus="this.select()"
 266             name="index[columns][sub_parts][]" value="" />
 267     </td>
 268 </tr>
 269     <?php
 270     $odd_row = !$odd_row;
 271 } // end foreach $edited_index_info['Sequences']
 272 ?>
 273 </tbody>
 274 </table>
 275 </fieldset>
 276 <fieldset class="tblFooters">
 277 <?php
 278     if ($GLOBALS['is_ajax_request'] != true) {
 279 ?>
 280     <input type="submit" name="do_save_data" value="<?php echo __('Save'); ?>" />
 281     <span id="addMoreColumns">
 282 <?php
 283 echo __('Or') . ' ';
 284 printf(
 285     __('Add to index &nbsp;%s&nbsp;column(s)') . "\n",
 286     '<input type="text" name="added_fields" size="2" value="1" />'
 287 );
 288 echo '<input type="submit" name="add_fields" value="' . __('Go') . '" />' . "\n";
 289 ?>
 290     </span>
 291 <?php
 292     } else {
 293         $btn_value = sprintf(__('Add %d column(s) to index'), 1);
 294         echo '<div class="slider"></div>';
 295         echo '<div class="add_fields">';
 296         echo '<input type="submit" value="' . $btn_value . '" />';
 297         echo '</div>';
 298     }
 299 ?>
 300 </fieldset>
 301 </form>
 302 <?php
 303
 304 /**
 305  * Displays the footer
 306  */
 307 require './libraries/footer.inc.php';
 308 ?>