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 $GLOBALS['js_include'][] = 'indexes.js';
 126
 127 require_once './libraries/tbl_info.inc.php';
 128 require_once './libraries/tbl_links.inc.php';
 129
 130 if (isset($_REQUEST['index']) && is_array($_REQUEST['index'])) {
 131     // coming already from form
 132     $add_fields =
 133         count($_REQUEST['index']['columns']['names']) - $index->getColumnCount();
 134     if (isset($_REQUEST['add_fields'])) {
 135         $add_fields += $_REQUEST['added_fields'];
 136     }
 137 } elseif (isset($_REQUEST['create_index'])) {
 138     $add_fields = $_REQUEST['added_fields'];
 139 } else {
 140     $add_fields = 1;
 141 }
 142
 143 // end preparing form values
 144 ?>
 145
 146 <form action="./tbl_indexes.php" method="post" name="index_frm" id="index_frm" <?php echo ($GLOBALS['cfg']['AjaxEnable'] ? ' class="ajax"' : ''); ?>
 147     onsubmit="if (typeof(this.elements['index[Key_name]'].disabled) != 'undefined') {
 148         this.elements['index[Key_name]'].disabled = false}">
 149 <?php
 150 $form_params = array(
 151     'db'    => $db,
 152     'table' => $table,
 153 );
 154
 155 if (isset($_REQUEST['create_index'])) {
 156     $form_params['create_index'] = 1;
 157 } elseif (isset($_REQUEST['old_index'])) {
 158     $form_params['old_index'] = $_REQUEST['old_index'];
 159 } elseif (isset($_REQUEST['index'])) {
 160     $form_params['old_index'] = $_REQUEST['index'];
 161 }
 162
 163 echo PMA_generate_common_hidden_inputs($form_params);
 164 ?>
 165 <fieldset id="index_edit_fields">
 166     <legend>
 167 <?php
 168 if (isset($_REQUEST['create_index'])) {
 169     echo __('Create an index');
 170 } else {
 171     echo __('Modify an index');
 172 }
 173 ?>
 174     </legend>
 175 <?php
 176 PMA_Message::notice(__('("PRIMARY" <b>must</b> be the name of and <b>only of</b> a primary key!)'))->display();
 177 ?>
 178 <div class="formelement">
 179 <label for="input_index_name"><?php echo __('Index name:'); ?></label>
 180 <input type="text" name="index[Key_name]" id="input_index_name" size="25"
 181     value="<?php echo htmlspecialchars($index->getName()); ?>" onfocus="this.select()" />
 182 </div>
 183
 184 <div class="formelement">
 185 <label for="select_index_type"><?php echo __('Index type:'); ?></label>
 186 <select name="index[Index_type]" id="select_index_type" >
 187     <?php echo $index->generateIndexSelector(); ?>
 188 </select>
 189 <?php echo PMA_showMySQLDocu('SQL-Syntax', 'ALTER_TABLE'); ?>
 190 </div>
 191
 192 <br class="clearfloat" /><br />
 193
 194 <table id="index_columns">
 195 <thead>
 196 <tr><th><?php echo __('Column'); ?></th>
 197     <th><?php echo __('Size'); ?></th>
 198 </tr>
 199 </thead>
 200 <tbody>
 201 <?php
 202 $odd_row = true;
 203 $spatial_types = array(
 204     'geometry', 'point', 'linestring', 'polygon', 'multipoint',
 205     'multilinestring', 'multipolygon', 'geomtrycollection'
 206 );
 207 foreach ($index->getColumns() as $column) {
 208     ?>
 209 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
 210     <td><select name="index[columns][names][]">
 211             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 212     <?php
 213     foreach ($fields as $field_name => $field_type) {
 214         if (($index->getType() != 'FULLTEXT' || preg_match('/(char|text)/i', $field_type))
 215             && ($index->getType() != 'SPATIAL' || in_array($field_type, $spatial_types))
 216         ) {
 217             echo '<option value="' . htmlspecialchars($field_name) . '"'
 218                  . (($field_name == $column->getName()) ? ' selected="selected"' : '') . '>'
 219                  . htmlspecialchars($field_name) . ' [' . $field_type . ']'
 220                  . '</option>' . "\n";
 221         }
 222     } // end foreach $fields
 223     ?>
 224         </select>
 225     </td>
 226     <td><input type="text" size="5" onfocus="this.select()"
 227             name="index[columns][sub_parts][]"
 228             value="<?php if ($index->getType() != 'SPATIAL') { echo $column->getSubPart(); } ?>" />
 229     </td>
 230 </tr>
 231     <?php
 232     $odd_row = !$odd_row;
 233 } // end foreach $edited_index_info['Sequences']
 234 for ($i = 0; $i < $add_fields; $i++) {
 235     ?>
 236 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
 237     <td><select name="index[columns][names][]">
 238             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 239     <?php
 240     foreach ($fields as $field_name => $field_type) {
 241         echo '<option value="' . htmlspecialchars($field_name) . '">'
 242              . htmlspecialchars($field_name) . ' [' . $field_type . ']'
 243              . '</option>' . "\n";
 244     } // end foreach $fields
 245     ?>
 246         </select>
 247     </td>
 248     <td><input type="text" size="5" onfocus="this.select()"
 249             name="index[columns][sub_parts][]" value="" />
 250     </td>
 251 </tr>
 252     <?php
 253     $odd_row = !$odd_row;
 254 } // end foreach $edited_index_info['Sequences']
 255 ?>
 256 </tbody>
 257 </table>
 258 </fieldset>
 259
 260 <fieldset class="tblFooters">
 261     <input type="submit" name="do_save_data" value="<?php echo __('Save'); ?>" />
 262     <span id="addMoreColumns">
 263 <?php
 264 echo __('Or') . ' ';
 265 echo sprintf(__('Add to index &nbsp;%s&nbsp;column(s)'),
 266         '<input type="text" name="added_fields" size="2" value="1"'
 267     .' onfocus="this.select()" />') . "\n";
 268 echo '<input type="submit" name="add_fields" value="' . __('Go') . '"'
 269     .' onclick="return checkFormElementInRange(this.form,'
 270     ." 'added_fields', '" . PMA_jsFormat(__('Column count has to be larger than zero.')) . "', 1"
 271     .')" />' . "\n";
 272 ?>
 273     </span>
 274 </fieldset>
 275 </form>
 276 <?php
 277
 278 /**
 279  * Displays the footer
 280  */
 281 require './libraries/footer.inc.php';
 282 ?>