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