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  * @version $Id$
   7  * @package phpMyAdmin
   8  */
   9
  10 /**
  11  * Gets some core libraries
  12  */
  13 require_once './libraries/common.inc.php';
  14 require_once './libraries/Index.class.php';
  15 require_once './libraries/tbl_common.php';
  16
  17 // Get fields and stores their name/type
  18 $fields = array();
  19 foreach (PMA_DBI_get_fields($db, $table) as $row) {
  20     if (preg_match('@^(set|enum)\((.+)\)$@i', $row['Type'], $tmp)) {
  21         $tmp[2]         = substr(preg_replace('@([^,])\'\'@', '\\1\\\'',
  22             ',' . $tmp[2]), 1);
  23         $fields[$row['Field']] = $tmp[1] . '(' . str_replace(',', ', ', $tmp[2]) . ')';
  24     } else {
  25         $fields[$row['Field']] = $row['Type'];
  26     }
  27 } // end while
  28
  29 // Prepares the form values
  30 if (isset($_REQUEST['index'])) {
  31     if (is_array($_REQUEST['index'])) {
  32         // coming already from form
  33         $index = new PMA_Index($_REQUEST['index']);
  34     } else {
  35         $index = PMA_Index::singleton($db, $table, $_REQUEST['index']);
  36     }
  37 } else {
  38     $index = new PMA_Index;
  39 }
  40
  41 /**
  42  * Process the data from the edit/create index form,
  43  * run the query to build the new index
  44  * and moves back to "tbl_sql.php"
  45  */
  46 if (isset($_REQUEST['do_save_data'])) {
  47     $error = false;
  48
  49     // $sql_query is the one displayed in the query box
  50     $sql_query = 'ALTER TABLE ' . PMA_backquote($db) . '.' . PMA_backquote($table);
  51
  52     // Drops the old index
  53     if (! empty($_REQUEST['old_index'])) {
  54         if ($_REQUEST['old_index'] == 'PRIMARY') {
  55             $sql_query .= ' DROP PRIMARY KEY,';
  56         } else {
  57             $sql_query .= ' DROP INDEX ' . PMA_backquote($_REQUEST['old_index']) . ',';
  58         }
  59     } // end if
  60
  61     // Builds the new one
  62     switch ($index->getType()) {
  63         case 'PRIMARY':
  64             if ($index->getName() == '') {
  65                 $index->setName('PRIMARY');
  66             } elseif ($index->getName() != 'PRIMARY') {
  67                 $error = PMA_Message::error(__('The name of the primary key must be "PRIMARY"!'));
  68             }
  69             $sql_query .= ' ADD PRIMARY KEY';
  70             break;
  71         case 'FULLTEXT':
  72         case 'UNIQUE':
  73         case 'INDEX':
  74             if ($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'][] = 'functions.js';
 116 $GLOBALS['js_include'][] = 'indexes.js';
 117
 118 require_once './libraries/tbl_info.inc.php';
 119 require_once './libraries/tbl_links.inc.php';
 120
 121 if (isset($_REQUEST['index']) && is_array($_REQUEST['index'])) {
 122     // coming already from form
 123     $add_fields =
 124         count($_REQUEST['index']['columns']['names']) - $index->getColumnCount();
 125     if (isset($_REQUEST['add_fields'])) {
 126         $add_fields += $_REQUEST['added_fields'];
 127     }
 128 } elseif (isset($_REQUEST['create_index'])) {
 129     $add_fields = $_REQUEST['added_fields'];
 130 } else {
 131     $add_fields = 1;
 132 }
 133
 134 // end preparing form values
 135 ?>
 136
 137 <form action="./tbl_indexes.php" method="post" name="index_frm"
 138     onsubmit="if (typeof(this.elements['index'].disabled) != 'undefined') {
 139         this.elements['index'].disabled = false}">
 140 <?php
 141 $form_params = array(
 142     'db'    => $db,
 143     'table' => $table,
 144 );
 145
 146 if (isset($_REQUEST['create_index'])) {
 147     $form_params['create_index'] = 1;
 148 } elseif (isset($_REQUEST['old_index'])) {
 149     $form_params['old_index'] = $_REQUEST['old_index'];
 150 } elseif (isset($_REQUEST['index'])) {
 151     $form_params['old_index'] = $_REQUEST['index'];
 152 }
 153
 154 echo PMA_generate_common_hidden_inputs($form_params);
 155 ?>
 156 <fieldset>
 157     <legend>
 158 <?php
 159 if (isset($_REQUEST['create_index'])) {
 160     echo __('Create a new index');
 161 } else {
 162     echo __('Modify an index');
 163 }
 164 ?>
 165     </legend>
 166
 167 <div class="formelement">
 168 <label for="input_index_name"><?php echo __('Index name:'); ?></label>
 169 <input type="text" name="index[Key_name]" id="input_index_name" size="25"
 170     value="<?php echo htmlspecialchars($index->getName()); ?>" onfocus="this.select()" />
 171 </div>
 172
 173 <div class="formelement">
 174 <label for="select_index_type"><?php echo __('Index type:'); ?></label>
 175 <select name="index[Index_type]" id="select_index_type" onchange="return checkIndexName()">
 176     <?php echo $index->generateIndexSelector(); ?>
 177 </select>
 178 <?php echo PMA_showMySQLDocu('SQL-Syntax', 'ALTER_TABLE'); ?>
 179 </div>
 180
 181
 182 <br class="clearfloat" />
 183 <?php
 184 PMA_Message::warning(__('("PRIMARY" <b>must</b> be the name of and <b>only of</b> a primary key!)'))->display();
 185 ?>
 186
 187 <table>
 188 <thead>
 189 <tr><th><?php echo __('Field'); ?></th>
 190     <th><?php echo __('Size'); ?></th>
 191 </tr>
 192 </thead>
 193 <tbody>
 194 <?php
 195 $odd_row = true;
 196 foreach ($index->getColumns() as $column) {
 197     ?>
 198 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
 199     <td><select name="index[columns][names][]">
 200             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 201     <?php
 202     foreach ($fields as $field_name => $field_type) {
 203         if ($index->getType() != 'FULLTEXT'
 204          || preg_match('/(char|text)/i', $field_type)) {
 205             echo '<option value="' . htmlspecialchars($field_name) . '"'
 206                  . (($field_name == $column->getName()) ? ' selected="selected"' : '') . '>'
 207                  . htmlspecialchars($field_name) . ' [' . $field_type . ']'
 208                  . '</option>' . "\n";
 209         }
 210     } // end foreach $fields
 211     ?>
 212         </select>
 213     </td>
 214     <td><input type="text" size="5" onfocus="this.select()"
 215             name="index[columns][sub_parts][]" value="<?php echo $column->getSubPart(); ?>" />
 216     </td>
 217 </tr>
 218     <?php
 219     $odd_row = !$odd_row;
 220 } // end foreach $edited_index_info['Sequences']
 221 for ($i = 0; $i < $add_fields; $i++) {
 222     ?>
 223 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
 224     <td><select name="index[columns][names][]">
 225             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 226     <?php
 227     foreach ($fields as $field_name => $field_type) {
 228         echo '<option value="' . htmlspecialchars($field_name) . '">'
 229              . htmlspecialchars($field_name) . ' [' . $field_type . ']'
 230              . '</option>' . "\n";
 231     } // end foreach $fields
 232     ?>
 233         </select>
 234     </td>
 235     <td><input type="text" size="5" onfocus="this.select()"
 236             name="index[columns][sub_parts][]" value="" />
 237     </td>
 238 </tr>
 239     <?php
 240     $odd_row = !$odd_row;
 241 } // end foreach $edited_index_info['Sequences']
 242 ?>
 243 </tbody>
 244 </table>
 245 </fieldset>
 246
 247 <fieldset class="tblFooters">
 248     <input type="submit" name="do_save_data" value="<?php echo __('Save'); ?>" />
 249 <?php
 250 echo __('Or') . ' ';
 251 echo sprintf(__('Add to index &nbsp;%s&nbsp;column(s)'),
 252         '<input type="text" name="added_fields" size="2" value="1"'
 253     .' onfocus="this.select()" />') . "\n";
 254 echo '<input type="submit" name="add_fields" value="' . __('Go') . '"'
 255     .' onclick="return checkFormElementInRange(this.form,'
 256     ." 'added_fields', '" . PMA_jsFormat(__('Column count has to be larger than zero.')) . "', 1"
 257     .')" />' . "\n";
 258 ?>
 259 </fieldset>
 260 </form>
 261 <?php
 262
 263 /**
 264  * Displays the footer
 265  */
 266 require_once './libraries/footer.inc.php';
 267 ?>