tbl_indexes.php

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4
   5 /**
   6  * Gets some core libraries
   7  */
   8 require_once('./libraries/common.lib.php');
   9 require_once('./libraries/tbl_indexes.lib.php');
  10
  11 /**
  12  * Defines the index types ("FULLTEXT" is available since MySQL 3.23.23)
  13  */
  14 $index_types       = PMA_get_indextypes();
  15 $index_types_cnt   = count($index_types);
  16
  17 /**
  18  * Ensures the db & table are valid, then loads headers and gets indexes
  19  * informations.
  20  * Skipped if this script is called by "tbl_properties.php"
  21  */
  22 if (!defined('PMA_IDX_INCLUDED')) {
  23     // Not a valid db name -> back to the welcome page
  24     if (!empty($db)) {
  25         $is_db = PMA_DBI_select_db($db);
  26     }
  27     if (empty($db) || !$is_db) {
  28         PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . 'main.php?' . PMA_generate_common_url('', '', '&') . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
  29         exit;
  30     }
  31     // Not a valid table name -> back to the default db_details sub-page
  32     if (!empty($table)) {
  33         $is_table = PMA_DBI_query('SHOW TABLES LIKE \'' . PMA_sqlAddslashes($table, TRUE) . '\'', NULL, PMA_DBI_QUERY_STORE);
  34     }
  35     if (empty($table)
  36         || !($is_table && PMA_DBI_num_rows($is_table))) {
  37         PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . $cfg['DefaultTabDatabase'] . '?' . PMA_generate_common_url($db, '', '&') . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
  38         exit;
  39     } else if (isset($is_table)) {
  40         PMA_DBI_free_result($is_table);
  41     }
  42
  43     // Displays headers (if needed)
  44     $js_to_run = ((isset($index) && isset($do_save_data)) ? 'functions.js' : 'indexes.js');
  45     require_once('./header.inc.php');
  46 } // end if
  47
  48
  49 /**
  50  * Gets fields and indexes informations
  51  */
  52 if (!defined('PMA_IDX_INCLUDED')) {
  53     $err_url_0 = 'db_details.php?' . PMA_generate_common_url($db);
  54 }
  55
  56 //  Gets table keys and store them in arrays
  57 $indexes      = array();
  58 $indexes_info = array();
  59 $indexes_data = array();
  60 // keys had already been grabbed in "tbl_properties.php"
  61 if (!defined('PMA_IDX_INCLUDED')) {
  62     $ret_keys = PMA_get_indexes($table, $err_url_0);
  63 }
  64
  65 PMA_extract_indexes($ret_keys, $indexes, $indexes_info, $indexes_data);
  66
  67 // Get fields and stores their name/type
  68 // fields had already been grabbed in "tbl_properties.php"
  69 if (!defined('PMA_IDX_INCLUDED')) {
  70     $fields_rs   = PMA_DBI_query('SHOW FIELDS FROM ' . PMA_backquote($table) . ';');
  71     $save_row   = array();
  72     while ($row = PMA_DBI_fetch_assoc($fields_rs)) {
  73         $save_row[] = $row;
  74     }
  75 }
  76
  77 $fields_names           = array();
  78 $fields_types           = array();
  79 foreach ($save_row AS $saved_row_key => $row) {
  80     $fields_names[]     = $row['Field'];
  81     // loic1: set or enum types: slashes single quotes inside options
  82     if (preg_match('@^(set|enum)\((.+)\)$@i', $row['Type'], $tmp)) {
  83         $tmp[2]         = substr(preg_replace('@([^,])\'\'@', '\\1\\\'', ',' . $tmp[2]), 1);
  84         $fields_types[] = $tmp[1] . '(' . str_replace(',', ', ', $tmp[2]) . ')';
  85     } else {
  86         $fields_types[] = $row['Type'];
  87     }
  88 } // end while
  89
  90 if ($fields_rs) {
  91     PMA_DBI_free_result($fields_rs);
  92 }
  93
  94
  95 /**
  96  * Do run the query to build the new index and moves back to
  97  * "tbl_properties.php"
  98  */
  99 if (!defined('PMA_IDX_INCLUDED')
 100     && (isset($index) && isset($do_save_data))) {
 101
 102     $err_url     = 'tbl_indexes.php?' . PMA_generate_common_url($db, $table);
 103     if (empty($old_index)) {
 104         $err_url .= '&amp;create_index=1&amp;idx_num_fields=' . $idx_num_fields;
 105     } else {
 106         $err_url .= '&amp;index=' . urlencode($old_index);
 107     }
 108
 109     if ($index_type == 'PRIMARY') {
 110         if ($index == '') {
 111             $index = 'PRIMARY';
 112         } else if ($index != 'PRIMARY') {
 113             PMA_mysqlDie($strPrimaryKeyName, '', FALSE, $err_url);
 114         }
 115     } else if ($index == 'PRIMARY') {
 116          PMA_mysqlDie($strCantRenameIdxToPrimary, '', FALSE, $err_url);
 117     }
 118
 119
 120     // $sql_query is the one displayed in the query box
 121     $sql_query         = 'ALTER TABLE ' . PMA_backquote($table);
 122
 123     // Drops the old index
 124     if (!empty($old_index)) {
 125         if ($old_index == 'PRIMARY') {
 126             $sql_query .= ' DROP PRIMARY KEY,';
 127         } else {
 128             $sql_query .= ' DROP INDEX ' . PMA_backquote($old_index) .',';
 129         }
 130     } // end if
 131
 132     // Builds the new one
 133     switch ($index_type) {
 134         case 'PRIMARY':
 135             $sql_query .= ' ADD PRIMARY KEY (';
 136             break;
 137         case 'FULLTEXT':
 138             $sql_query .= ' ADD FULLTEXT ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 139             break;
 140         case 'UNIQUE':
 141             $sql_query .= ' ADD UNIQUE ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 142             break;
 143         case 'INDEX':
 144             $sql_query .= ' ADD INDEX ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 145             break;
 146     } // end switch
 147     $index_fields         = '';
 148     foreach ($column AS $i => $name) {
 149         if ($name != '--ignore--') {
 150             $index_fields .= (empty($index_fields) ? '' : ',')
 151                           . PMA_backquote($name)
 152                           . (empty($sub_part[$i]) ? '' : '(' . $sub_part[$i] . ')');
 153         }
 154     } // end while
 155     if (empty($index_fields)){
 156         PMA_mysqlDie($strNoIndexPartsDefined, '', FALSE, $err_url);
 157     } else {
 158         $sql_query .= $index_fields . ')';
 159     }
 160
 161     $result    = PMA_DBI_query($sql_query);
 162     $message   = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
 163
 164     $active_page = 'tbl_properties_structure.php';
 165     require('./tbl_properties_structure.php');
 166 } // end builds the new index
 167
 168
 169 /**
 170  * Edits an index or defines a new one
 171  */
 172 else if (!defined('PMA_IDX_INCLUDED')
 173          && (isset($index) || isset($create_index))) {
 174
 175     // Prepares the form values
 176     if (!isset($index)) {
 177         $index                                = '';
 178     }
 179     if (!isset($old_index)){
 180         $old_index                            = $index;
 181     }
 182     if (!isset($index_type)) {
 183         $index_type                           = '';
 184     }
 185     if ($old_index == '' || !isset($indexes_info[$old_index])) {
 186         $edited_index_info['Sequences']       = array();
 187         $edited_index_data                    = array();
 188         for ($i = 1; $i <= $idx_num_fields; $i++) {
 189             $edited_index_info['Sequences'][] = $i;
 190             $edited_index_data[$i]            = array('Column_name' => '', 'Sub_part' => '');
 191         } // end for
 192         if ($old_index == ''
 193             && !isset($indexes_info['PRIMARY'])
 194             && ($index_type == '' || $index_type == 'PRIMARY')) {
 195             $old_index                        = 'PRIMARY';
 196         }
 197     } else {
 198         $edited_index_info                    = $indexes_info[$old_index];
 199         $edited_index_data                    = $indexes_data[$old_index];
 200
 201
 202         if ((PMA_MYSQL_INT_VERSION < 40002 && $edited_index_info['Comment'] == 'FULLTEXT')
 203                 || (PMA_MYSQL_INT_VERSION >= 40002 && $edited_index_info['Index_type'] == 'FULLTEXT')) {
 204             $index_type                       = 'FULLTEXT';
 205         } else if ($index == 'PRIMARY') {
 206             $index_type                       = 'PRIMARY';
 207         } else if ($edited_index_info['Non_unique'] == '0') {
 208             $index_type                       = 'UNIQUE';
 209         } else {
 210             $index_type                       = 'INDEX';
 211         }
 212     } // end if... else...
 213
 214     if (isset($add_fields)) {
 215         if (isset($prev_add_fields)) {
 216             $added_fields += $prev_add_fields;
 217         }
 218         $field_cnt = count($edited_index_info['Sequences']) + 1;
 219         for ($i = $field_cnt; $i < ($added_fields + $field_cnt); $i++) {
 220             $edited_index_info['Sequences'][] = $i;
 221             $edited_index_data[$i]            = array('Column_name' => '', 'Sub_part' => '');
 222         } // end for
 223
 224         // Restore entered values
 225         foreach ($column AS $i => $name) {
 226             if ($name != '--ignore--'){
 227                 $edited_index_data[$i+1]['Column_name'] = $name;
 228                 $edited_index_data[$i+1]['Sub_part']    = $sub_part[$i];
 229             }
 230         } // end while
 231     } // end if
 232     // end preparing form values
 233     ?>
 234
 235 <!-- Build index form -->
 236 <form action="./tbl_indexes.php" method="post" name="index_frm"
 237     onsubmit="if (typeof(this.elements['index'].disabled) != 'undefined') {this.elements['index'].disabled = false}">
 238 <table border="0" cellpadding="2" cellspacing="1">
 239     <tr><td class="tblHeaders" colspan="2">
 240     <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 241     <?php
 242     if (isset($create_index)) {
 243         echo '<input type="hidden" name="create_index" value="1" />';
 244     }
 245     echo "\n";
 246     ?>
 247     <input type="hidden" name="old_index" value="<?php echo (isset($create_index) ? '' : htmlspecialchars($old_index)); ?>" />
 248     <?php echo ' ' . (isset($create_index) ? $strCreateIndexTopic : $strModifyIndexTopic) . ' '; ?>
 249     </th></tr>
 250
 251
 252     <tr>
 253         <td align="right"><b><?php echo $strIndexName; ?></b>&nbsp;</th>
 254         <td>
 255             <input type="text" name="index" value="<?php echo htmlspecialchars($index); ?>" size="25" onfocus="this.select()" />
 256         </td>
 257     </tr>
 258     <tr><td align="right"><?php
 259     if ($cfg['ErrorIconic']) {
 260         echo '<img src="' . $pmaThemeImage . 's_warn.png" width="16" height="16" border="0" alt="Attention" />';
 261     }
 262 ?></td><td><?php echo $strPrimaryKeyWarning . "\n"; ?></td></tr>
 263     <tr>
 264         <td align="right"><b><?php echo $strIndexType; ?></b>&nbsp;</td>
 265         <td>
 266             <select name="index_type" onchange="return checkIndexName()">
 267     <?php
 268     echo "\n";
 269     for ($i = 0; $i < $index_types_cnt; $i++) {
 270         if ($index_types[$i] == 'PRIMARY') {
 271             if ($index == 'PRIMARY' || !isset($indexes_info['PRIMARY'])) {
 272                 echo '                '
 273                      . '<option value="PRIMARY"' . (($index_type == 'PRIMARY') ? ' selected="selected"' : '') . '>PRIMARY</option>'
 274                      . "\n";
 275             }
 276         } else {
 277             echo '                '
 278                  . '<option value="' . $index_types[$i] . '"' . (($index_type == $index_types[$i]) ? ' selected="selected"' : '') . '>'. $index_types[$i] . '</option>'
 279                  . "\n";
 280
 281         } // end if... else...
 282     } // end for
 283     ?>
 284             </select>
 285             <?php echo PMA_showMySQLDocu('SQL-Syntax', 'ALTER_TABLE') . "\n"; ?>
 286         </td>
 287     </tr>
 288
 289     <tr><td valign="top" align="right"><b><?php echo $strFields; ?> :</b>&nbsp;</td><td><table border="<?php echo $cfg['Border']; ?>" cellpadding="2" cellspacing="1">
 290     <tr>
 291         <th><?php echo $strField; ?></th>
 292         <th><?php echo $strSize; ?></th>
 293     </tr>
 294     <?php
 295     foreach ($edited_index_info['Sequences'] AS $row_no => $seq_index) {
 296         $add_type     = (is_array($fields_types) && count($fields_types) == count($fields_names));
 297         $selected     = $edited_index_data[$seq_index]['Column_name'];
 298         if (!empty($edited_index_data[$seq_index]['Sub_part'])) {
 299             $sub_part = ' value="' . $edited_index_data[$seq_index]['Sub_part'] . '"';
 300         } else {
 301             $sub_part = '';
 302         }
 303         $bgcolor      = (($row_no % 2) ? $cfg['BgcolorOne'] : $cfg['BgcolorTwo']);
 304         echo "\n";
 305         ?>
 306     <tr>
 307         <td bgcolor="<?php echo $bgcolor; ?>">
 308             <select name="column[]">
 309                 <option value="--ignore--"<?php if ('--ignore--' == $selected) echo ' selected="selected"'; ?>>
 310                     -- <?php echo $strIgnore; ?> --</option>
 311         <?php
 312         foreach ($fields_names AS $key => $val) {
 313             if ($index_type != 'FULLTEXT'
 314                 || preg_match('@^(varchar|text|tinytext|mediumtext|longtext)@i', $fields_types[$key])) {
 315                 echo "\n" . '                '
 316                      . '<option value="' . htmlspecialchars($val) . '"' . (($val == $selected) ? ' selected="selected"' : '') . '>'
 317                      . htmlspecialchars($val) . (($add_type) ? ' [' . $fields_types[$key] . ']' : '' ) . '</option>' . "\n";
 318             }
 319         } // end while
 320         echo "\n";
 321         ?>
 322             </select>
 323         </td>
 324         <td bgcolor="<?php echo $bgcolor; ?>">
 325             <input type="text" size="5" name="sub_part[]"<?php echo $sub_part; ?> onfocus="this.select()" />
 326         </td>
 327     </tr>
 328         <?php
 329     } // end while
 330
 331     echo "\n";
 332     ?>
 333     <tr><td colspan="2"><?php
 334     echo "\n";
 335     if (isset($added_fields)) {
 336         echo '    <input type="hidden" name="prev_add_fields" value="' . $added_fields . '" />';
 337     }
 338     if (isset($idx_num_fields)) {
 339         echo '    <input type="hidden" name="idx_num_fields" value="' . $idx_num_fields . '" />' . "\n";
 340     }
 341     echo '    ' . "\n";
 342     echo '    ' . sprintf($strAddToIndex,  '<input type="text" name="added_fields" size="2" value="1" onfocus="this.select()" style="vertical-align: middle;" />') . "\n";
 343     echo '    &nbsp;<input type="submit" name="add_fields" value="' . $strGo . '" onclick="return checkFormElementInRange(this.form, \'added_fields\', \'' . str_replace('\'', '\\\'', $GLOBALS['strInvalidColumnCount']) . '\', 1)" style="vertical-align: middle;" />' . "\n";
 344 ?></td>
 345 </tr>
 346     </table></td></tr>
 347 <tr><td colspan="2" class="tblFooters" align="center">
 348     <input type="submit" name="do_save_data" value="<?php echo $strSave; ?>" /></td></tr>
 349 </table>
 350 </form>
 351 <?php
 352 } else {
 353     /**
 354      * Display indexes
 355      */
 356     ?>
 357     <!-- Indexes form -->
 358     <form action="./tbl_indexes.php" method="post" onsubmit="return checkFormElementInRange(this, 'idx_num_fields', '<?php echo str_replace('\'', '\\\'', $GLOBALS['strInvalidColumnCount']); ?>', 1)">
 359     <table border="0" cellpadding="2" cellspacing="1">
 360     <tr><td class="tblHeaders" colspan="7">
 361         <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 362     <?php
 363     echo "\n";
 364     echo '        ' . $strIndexes . ':' . "\n";
 365     echo '        ' . PMA_showMySQLDocu('optimization', 'optimizing-database-structure') . "\n";
 366 ?></td></tr><?php
 367     $edit_link_text = '';
 368     $drop_link_text = '';
 369
 370     // We need to copy the value or else the == 'both' check will always return true
 371     $propicon = (string)$cfg['PropertiesIconic'];
 372
 373     if ($cfg['PropertiesIconic'] === true || $propicon == 'both') {
 374         $edit_link_text = '<img src="' . $pmaThemeImage . 'b_edit.png" width="16" height="16" hspace="2" border="0" title="' . $strEdit . '" alt="' . $strEdit . '" />';
 375         $drop_link_text = '<img src="' . $pmaThemeImage . 'b_drop.png" width="16" height="16" hspace="2" border="0" title="' . $strDrop . '" alt="' . $strDrop . '" />';
 376     }
 377     if ($cfg['PropertiesIconic'] === false || $propicon == 'both') {
 378         $edit_link_text .= $strEdit;
 379         $drop_link_text .= $strDrop;
 380     }
 381     if ($propicon == 'both') {
 382         $edit_link_text = '<nobr>' . $edit_link_text . '</nobr>';
 383         $drop_link_text = '<nobr>' . $drop_link_text . '</nobr>';
 384     }
 385
 386     if (count($ret_keys) > 0) {
 387         ?>
 388         <!--table border="<?php echo $cfg['Border']; ?>" cellpadding="2" cellspacing="1"-->
 389         <tr>
 390             <th><?php echo $strKeyname; ?></th>
 391             <th><?php echo $strType; ?></th>
 392             <th><?php echo $strCardinality; ?></th>
 393             <th colspan="2"><?php echo $strAction; ?></th>
 394             <th colspan="2"><?php echo $strField; ?></th>
 395         </tr>
 396         <?php
 397         $idx_collection = PMA_show_indexes($table, $indexes, $indexes_info, $indexes_data, true);
 398         echo PMA_check_indexes($idx_collection);
 399     } // end display indexes
 400     else {
 401         // none indexes
 402         echo "\n" . '        <tr><td colspan=7" align="center">' . "\n";
 403         if ($cfg['ErrorIconic']) {
 404             echo '<img src="' . $pmaThemeImage . 's_warn.png" width="16" height="16" border="0" alt="Warning" hspace="2" align="middle" />';
 405         }
 406         echo '        <b>' . $strNoIndex . '</b></td></tr>' . "\n\n";
 407     }
 408
 409     echo '<tr><td colspan="7" class="tblFooters" nowrap="nowrap" align="center">        '
 410        . sprintf($strCreateIndex, '<input type="text" size="2" name="idx_num_fields" value="1" style="vertical-align: middle;" />') . "\n";
 411     echo '        &nbsp;<input type="submit" name="create_index" value="' . $strGo . '" onclick="return checkFormElementInRange(this.form, \'idx_num_fields\', \'' . str_replace('\'', '\\\'', $GLOBALS['strInvalidColumnCount']) . '\', 1)" style="vertical-align: middle;" />' . "\n";
 412     echo '</td></tr>    ';
 413 ?>
 414 </table></form>
 415 <?php
 416 } // end display indexes
 417
 418
 419 /**
 420  * Displays the footer
 421  */
 422 echo "\n";
 423
 424 if (!defined('PMA_IDX_INCLUDED')){
 425     require_once('./footer.inc.php');
 426 }
 427 ?>