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(
  21             preg_replace('@([^,])\'\'@', '\\1\\\'', ',' . $tmp[2]), 1
  22         );
  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             $sql_query .= ' ADD PRIMARY KEY';
  70             break;
  71         case 'FULLTEXT':
  72         case 'UNIQUE':
  73         case 'INDEX':
  74         case 'SPATIAL':
  75             if ($index->getName() == 'PRIMARY') {
  76                 $error = PMA_Message::error(__('Can\'t rename index to PRIMARY!'));
  77             }
  78             $sql_query .= ' ADD ' . $index->getType() . ' '
  79                 . ($index->getName() ? PMA_backquote($index->getName()) : '');
  80             break;
  81     } // end switch
  82
  83     $index_fields = array();
  84     foreach ($index->getColumns() as $key => $column) {
  85         $index_fields[$key] = PMA_backquote($column->getName());
  86         if ($column->getSubPart()) {
  87             $index_fields[$key] .= '(' . $column->getSubPart() . ')';
  88         }
  89     } // end while
  90
  91     if (empty($index_fields)) {
  92         $error = PMA_Message::error(__('No index parts defined!'));
  93     } else {
  94         $sql_query .= ' (' . implode(', ', $index_fields) . ')';
  95     }
  96
  97     if (! $error) {
  98         PMA_DBI_query($sql_query);
  99         $message = PMA_Message::success(__('Table %1$s has been altered successfully'));
 100         $message->addParam($table);
 101
 102         if ( $GLOBALS['is_ajax_request'] == true) {
 103             $extra_data['index_table'] = PMA_Index::getView($table, $db);
 104             $extra_data['sql_query'] = PMA_showMessage(null, $sql_query);
 105             PMA_ajaxResponse($message, $message->isSuccess(), $extra_data);
 106         }
 107
 108         $active_page = 'tbl_structure.php';
 109         include 'tbl_structure.php';
 110         exit;
 111     } else {
 112         if ( $GLOBALS['is_ajax_request'] == true) {
 113             $extra_data['error'] = $error;
 114             PMA_ajaxResponse($error, false);
 115         }
 116         $error->display();
 117     }
 118 } // end builds the new index
 119
 120
 121 /**
 122  * Display the form to edit/create an index
 123  */
 124
 125 // Displays headers (if needed)
 126 $GLOBALS['js_include'][] = 'indexes.js';
 127 require_once 'libraries/tbl_info.inc.php';
 128 if ($GLOBALS['is_ajax_request'] != true) {
 129     include_once 'libraries/tbl_links.inc.php';
 130 }
 131
 132 if (isset($_REQUEST['index']) && is_array($_REQUEST['index'])) {
 133     // coming already from form
 134     $add_fields
 135         = count($_REQUEST['index']['columns']['names']) - $index->getColumnCount();
 136     if (isset($_REQUEST['add_fields'])) {
 137         $add_fields += $_REQUEST['added_fields'];
 138     }
 139 } elseif (isset($_REQUEST['create_index'])) {
 140     $add_fields = $_REQUEST['added_fields'];
 141 } else {
 142     $add_fields = 1;
 143 }
 144
 145 // end preparing form values
 146 ?>
 147
 148 <form action="tbl_indexes.php" method="post" name="index_frm" id="index_frm" <?php echo ($GLOBALS['cfg']['AjaxEnable'] ? ' class="ajax"' : ''); ?>
 149     onsubmit="if (typeof(this.elements['index[Key_name]'].disabled) != 'undefined') {
 150         this.elements['index[Key_name]'].disabled = false}">
 151 <?php
 152 $form_params = array(
 153     'db'    => $db,
 154     'table' => $table,
 155 );
 156
 157 if (isset($_REQUEST['create_index'])) {
 158     $form_params['create_index'] = 1;
 159 } elseif (isset($_REQUEST['old_index'])) {
 160     $form_params['old_index'] = $_REQUEST['old_index'];
 161 } elseif (isset($_REQUEST['index'])) {
 162     $form_params['old_index'] = $_REQUEST['index'];
 163 }
 164
 165 echo PMA_generate_common_hidden_inputs($form_params);
 166 ?>
 167 <fieldset id="index_edit_fields">
 168 <?php
 169 if ($GLOBALS['is_ajax_request'] != true) {
 170 ?>
 171     <legend>
 172 <?php
 173     if (isset($_REQUEST['create_index'])) {
 174         echo __('Add index');
 175     } else {
 176         echo __('Edit index');
 177     }
 178 ?>
 179     </legend>
 180 <?php
 181 }
 182 ?>
 183 <div class='index_info'>
 184     <div>
 185         <div class="label">
 186             <strong>
 187                 <label for="input_index_name">
 188                     <?php echo __('Index name:'); ?>
 189                     <?php echo PMA_showhint(PMA_Message::notice(__('("PRIMARY" <b>must</b> be the name of and <b>only of</b> a primary key!)'))); ?>
 190                 </label>
 191             </strong>
 192         </div>
 193         <input type="text" name="index[Key_name]" id="input_index_name" size="25"
 194             value="<?php echo htmlspecialchars($index->getName()); ?>" onfocus="this.select()" />
 195     </div>
 196     <div>
 197         <div class="label">
 198             <strong>
 199                 <label for="select_index_type">
 200                     <?php echo __('Index type:'); ?>
 201                     <?php echo PMA_showMySQLDocu('SQL-Syntax', 'ALTER_TABLE'); ?>
 202                 </label>
 203             </strong>
 204         </div>
 205         <select name="index[Index_type]" id="select_index_type" >
 206             <?php echo $index->generateIndexSelector(); ?>
 207         </select>
 208     </div>
 209     <div class="clearfloat"></div>
 210 </div>
 211
 212 <table id="index_columns">
 213 <thead>
 214 <tr><th><?php echo __('Column'); ?></th>
 215     <th><?php echo __('Size'); ?></th>
 216 </tr>
 217 </thead>
 218 <tbody>
 219 <?php
 220 $odd_row = true;
 221 $spatial_types = array(
 222     'geometry', 'point', 'linestring', 'polygon', 'multipoint',
 223     'multilinestring', 'multipolygon', 'geomtrycollection'
 224 );
 225 foreach ($index->getColumns() as $column) {
 226     ?>
 227 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick">
 228     <td><select name="index[columns][names][]">
 229             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 230     <?php
 231     foreach ($fields as $field_name => $field_type) {
 232         if (($index->getType() != 'FULLTEXT' || preg_match('/(char|text)/i', $field_type))
 233             && ($index->getType() != 'SPATIAL' || in_array($field_type, $spatial_types))
 234         ) {
 235             echo '<option value="' . htmlspecialchars($field_name) . '"'
 236                  . (($field_name == $column->getName()) ? ' selected="selected"' : '') . '>'
 237                  . htmlspecialchars($field_name) . ' [' . htmlspecialchars($field_type) . ']'
 238                  . '</option>' . "\n";
 239         }
 240     } // end foreach $fields
 241     ?>
 242         </select>
 243     </td>
 244     <td><input type="text" size="5" onfocus="this.select()"
 245             name="index[columns][sub_parts][]"
 246             value="<?php if ($index->getType() != 'SPATIAL') { echo $column->getSubPart(); } ?>" />
 247     </td>
 248 </tr>
 249     <?php
 250     $odd_row = !$odd_row;
 251 } // end foreach $edited_index_info['Sequences']
 252 for ($i = 0; $i < $add_fields; $i++) {
 253     ?>
 254 <tr class="<?php echo $odd_row ? 'odd' : 'even'; ?> noclick">
 255     <td><select name="index[columns][names][]">
 256             <option value="">-- <?php echo __('Ignore'); ?> --</option>
 257     <?php
 258     foreach ($fields as $field_name => $field_type) {
 259         echo '<option value="' . htmlspecialchars($field_name) . '">'
 260              . htmlspecialchars($field_name) . ' [' . htmlspecialchars($field_type) . ']'
 261              . '</option>' . "\n";
 262     } // end foreach $fields
 263     ?>
 264         </select>
 265     </td>
 266     <td><input type="text" size="5" onfocus="this.select()"
 267             name="index[columns][sub_parts][]" value="" />
 268     </td>
 269 </tr>
 270     <?php
 271     $odd_row = !$odd_row;
 272 } // end foreach $edited_index_info['Sequences']
 273 ?>
 274 </tbody>
 275 </table>
 276 </fieldset>
 277 <fieldset class="tblFooters">
 278 <?php
 279     if ($GLOBALS['is_ajax_request'] != true) {
 280 ?>
 281     <input type="submit" name="do_save_data" value="<?php echo __('Save'); ?>" />
 282     <span id="addMoreColumns">
 283 <?php
 284 echo __('Or') . ' ';
 285 printf(
 286     __('Add to index &nbsp;%s&nbsp;column(s)') . "\n",
 287     '<input type="text" name="added_fields" size="2" value="1" />'
 288 );
 289 echo '<input type="submit" name="add_fields" value="' . __('Go') . '" />' . "\n";
 290 ?>
 291     </span>
 292 <?php
 293     } else {
 294         $btn_value = sprintf(__('Add %d column(s) to index'), 1);
 295         echo '<div class="slider"></div>';
 296         echo '<div class="add_fields">';
 297         echo '<input type="submit" value="' . $btn_value . '" />';
 298         echo '</div>';
 299     }
 300 ?>
 301 </fieldset>
 302 </form>
 303 <?php
 304
 305 /**
 306  * Displays the footer
 307  */
 308 require 'libraries/footer.inc.php';
 309 ?>