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 $fields = array();
  18 foreach (PMA_DBI_get_fields($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             $sql_query .= ' ADD PRIMARY KEY';
  69             break;
  70         case 'FULLTEXT':
  71         case 'UNIQUE':
  72         case 'INDEX':
  73             if ($index->getName() == 'PRIMARY') {
  74                 $error = PMA_Message::error(__('Can\'t rename index to PRIMARY!'));
  75             }
  76             $sql_query .= ' ADD ' . $index->getType() . ' '
  77                 . ($index->getName() ? PMA_backquote($index->getName()) : '');
  78             break;
  79     } // end switch
  80
  81     $index_fields = array();
  82     foreach ($index->getColumns() as $key => $column) {
  83         $index_fields[$key] = PMA_backquote($column->getName());
  84         if ($column->getSubPart()) {
  85             $index_fields[$key] .= '(' . $column->getSubPart() . ')';
  86         }
  87     } // end while
  88
  89     if (empty($index_fields)){
  90         $error = PMA_Message::error(__('No index parts defined!'));
  91     } else {
  92         $sql_query .= ' (' . implode(', ', $index_fields) . ')';
  93     }
  94
  95     if (! $error) {
  96         PMA_DBI_query($sql_query);
  97         $message = PMA_Message::success(__('Table %1$s has been altered successfully'));
  98         $message->addParam($table);
  99
 100         $active_page = 'tbl_structure.php';
 101         require './tbl_structure.php';
 102         exit;
 103     } else {
 104         $error->display();
 105     }
 106 } // end builds the new index
 107
 108
 109 /**
 110  * Display the form to edit/create an index
 111  */
 112
 113 // Displays headers (if needed)
 114 $GLOBALS['js_include'][] = 'indexes.js';
 115
 116 require_once './libraries/tbl_info.inc.php';
 117 require_once './libraries/tbl_links.inc.php';
 118
 119 if (isset($_REQUEST['index']) && is_array($_REQUEST['index'])) {
 120     // coming already from form
 121     $add_fields =
 122         count($_REQUEST['index']['columns']['names']) - $index->getColumnCount();
 123     if (isset($_REQUEST['add_fields'])) {
 124         $add_fields += $_REQUEST['added_fields'];
 125     }
 126 } elseif (isset($_REQUEST['create_index'])) {
 127     $add_fields = $_REQUEST['added_fields'];
 128 } else {
 129     $add_fields = 1;
 130 }
 131
 132 // end preparing form values
 133 ?>
 134
 135 <form action="./tbl_indexes.php" method="post" name="index_frm"
 136     onsubmit="if (typeof(this.elements['index'].disabled) != 'undefined') {
 137         this.elements['index'].disabled = false}">
 138 <?php
 139 $form_params = array(
 140     'db'    => $db,
 141     'table' => $table,
 142 );
 143
 144 if (isset($_REQUEST['create_index'])) {
 145     $form_params['create_index'] = 1;
 146 } elseif (isset($_REQUEST['old_index'])) {
 147     $form_params['old_index'] = $_REQUEST['old_index'];
 148 } elseif (isset($_REQUEST['index'])) {
 149     $form_params['old_index'] = $_REQUEST['index'];
 150 }
 151
 152 echo PMA_generate_common_hidden_inputs($form_params);
 153 ?>
 154 <fieldset>
 155     <legend>
 156 <?php
 157 if (isset($_REQUEST['create_index'])) {
 158     echo __('Create a new index');
 159 } else {
 160     echo __('Modify an index');
 161 }
 162 ?>
 163     </legend>
 164
 165 <div class="formelement">
 166 <label for="input_index_name"><?php echo __('Index name:'); ?></label>
 167 <input type="text" name="index[Key_name]" id="input_index_name" size="25"
 168     value="<?php echo htmlspecialchars($index->getName()); ?>" onfocus="this.select()" />
 169 </div>
 170
 171 <div class="formelement">
 172 <label for="select_index_type"><?php echo __('Index type:'); ?></label>
 173 <select name="index[Index_type]" id="select_index_type" onchange="return checkIndexName()">
 174     <?php echo $index->generateIndexSelector(); ?>
 175 </select>
 176 <?php echo PMA_showMySQLDocu('SQL-Syntax', 'ALTER_TABLE'); ?>
 177 </div>
 178
 179
 180 <br class="clearfloat" />
 181 <?php
 182 PMA_Message::error(__('("PRIMARY" <b>must</b> be the name of and <b>only of</b> a primary key!)'))->display();
 183 ?>
 184
 185 <table>
 186 <thead>
 187 <tr><th><?php echo __('Column'); ?></th>
 188     <th><?php echo __('Size'); ?></th>
 189 </tr>
 190 </thead>
 191 <tbody>
 192 <?php
 193 $odd_row = true;
 194 foreach ($index->getColumns() as $column) {
 195     ?>
 196 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
 197     <td><select name="index[columns][names][]">
 198             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 199     <?php
 200     foreach ($fields as $field_name => $field_type) {
 201         if ($index->getType() != 'FULLTEXT'
 202          || preg_match('/(char|text)/i', $field_type)) {
 203             echo '<option value="' . htmlspecialchars($field_name) . '"'
 204                  . (($field_name == $column->getName()) ? ' selected="selected"' : '') . '>'
 205                  . htmlspecialchars($field_name) . ' [' . $field_type . ']'
 206                  . '</option>' . "\n";
 207         }
 208     } // end foreach $fields
 209     ?>
 210         </select>
 211     </td>
 212     <td><input type="text" size="5" onfocus="this.select()"
 213             name="index[columns][sub_parts][]" value="<?php echo $column->getSubPart(); ?>" />
 214     </td>
 215 </tr>
 216     <?php
 217     $odd_row = !$odd_row;
 218 } // end foreach $edited_index_info['Sequences']
 219 for ($i = 0; $i < $add_fields; $i++) {
 220     ?>
 221 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
 222     <td><select name="index[columns][names][]">
 223             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 224     <?php
 225     foreach ($fields as $field_name => $field_type) {
 226         echo '<option value="' . htmlspecialchars($field_name) . '">'
 227              . htmlspecialchars($field_name) . ' [' . $field_type . ']'
 228              . '</option>' . "\n";
 229     } // end foreach $fields
 230     ?>
 231         </select>
 232     </td>
 233     <td><input type="text" size="5" onfocus="this.select()"
 234             name="index[columns][sub_parts][]" value="" />
 235     </td>
 236 </tr>
 237     <?php
 238     $odd_row = !$odd_row;
 239 } // end foreach $edited_index_info['Sequences']
 240 ?>
 241 </tbody>
 242 </table>
 243 </fieldset>
 244
 245 <fieldset class="tblFooters">
 246     <input type="submit" name="do_save_data" value="<?php echo __('Save'); ?>" />
 247 <?php
 248 echo __('Or') . ' ';
 249 echo sprintf(__('Add to index &nbsp;%s&nbsp;column(s)'),
 250         '<input type="text" name="added_fields" size="2" value="1"'
 251     .' onfocus="this.select()" />') . "\n";
 252 echo '<input type="submit" name="add_fields" value="' . __('Go') . '"'
 253     .' onclick="return checkFormElementInRange(this.form,'
 254     ." 'added_fields', '" . PMA_jsFormat(__('Column count has to be larger than zero.')) . "', 1"
 255     .')" />' . "\n";
 256 ?>
 257 </fieldset>
 258 </form>
 259 <?php
 260
 261 /**
 262  * Displays the footer
 263  */
 264 require './libraries/footer.inc.php';
 265 ?>