tbl_indexes.php3

   1 <?php
   2 /* $Id$ */
   3
   4
   5 /**
   6  * Gets some core libraries
   7  */
   8 require('./libraries/grab_globals.lib.php3');
   9 require('./libraries/common.lib.php3');
  10
  11
  12 /**
  13  * Defines the index types ("FULLTEXT" is available since MySQL 3.23.23)
  14  */
  15 $index_types_cnt   = 3;
  16 $index_types       = array(
  17     'PRIMARY',
  18     'INDEX',
  19     'UNIQUE'
  20 );
  21 if (PMA_MYSQL_INT_VERSION >= 32323) {
  22     $index_types[] = 'FULLTEXT';
  23     $index_types_cnt++;
  24 }
  25
  26
  27 /**
  28  * Ensures the db & table are valid, then loads headers and gets indexes
  29  * informations.
  30  * Skipped if this script is called by "tbl_properties.php3"
  31  */
  32 if (!defined('PMA_IDX_INCLUDED')) {
  33     // Not a valid db name -> back to the welcome page
  34     if (!empty($db)) {
  35         $is_db = @PMA_mysql_select_db($db);
  36     }
  37     if (empty($db) || !$is_db) {
  38         header('Location: ' . $cfg['PmaAbsoluteUri'] . 'main.php3?lang=' . $lang . '&convcharset=' . $convcharset . '&server=' . $server . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
  39         exit();
  40     }
  41     // Not a valid table name -> back to the db_details.php3
  42     if (!empty($table)) {
  43         $is_table = @PMA_mysql_query('SHOW TABLES LIKE \'' . PMA_sqlAddslashes($table, TRUE) . '\'');
  44     }
  45     if (empty($table)
  46         || !($is_table && @mysql_numrows($is_table))) {
  47         header('Location: ' . $cfg['PmaAbsoluteUri'] . 'db_details.php3?lang=' . $lang . '&convcharset=' . $convcharset . '&server=' . $server .'&db=' . urlencode($db) . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
  48         exit();
  49     } else if (isset($is_table)) {
  50         mysql_free_result($is_table);
  51     }
  52
  53     // Displays headers (if needed)
  54     $js_to_run = ((isset($index) && isset($do_save_data)) ? 'functions.js' : 'indexes.js');
  55     include('./header.inc.php3');
  56 } // end if
  57
  58
  59 /**
  60  * Gets fields and indexes informations
  61  */
  62 if (defined('PMA_IDX_INCLUDED')) {
  63     $err_url_0 = 'db_details.php3'
  64                . '?lang=' . $lang
  65                . '&amp;convcharset=' . $convcharset
  66                . '&amp;server=' . $server
  67                . '&amp;db=' . urlencode($db);
  68 }
  69
  70 //  Gets table keys and store them in arrays
  71 $indexes      = array();
  72 $prev_index   = '';
  73 $indexes_info = array();
  74 $indexes_data = array();
  75 // keys had already been grabbed in "tbl_properties.php3"
  76 if (defined('PMA_IDX_INCLUDED')) {
  77     $idx_cnt     = count($ret_keys);
  78 } else {
  79     $local_query = 'SHOW KEYS FROM ' . PMA_backquote($table);
  80     $result      = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url_0);
  81     $idx_cnt     = mysql_num_rows($result);
  82 }
  83
  84 for ($i = 0; $i < $idx_cnt; $i++) {
  85     $row = (defined('PMA_IDX_INCLUDED') ? $ret_keys[$i] : PMA_mysql_fetch_array($result));
  86
  87     if ($row['Key_name'] != $prev_index ){
  88         $indexes[]  = $row['Key_name'];
  89         $prev_index = $row['Key_name'];
  90     }
  91     $indexes_info[$row['Key_name']]['Sequences'][]     = $row['Seq_in_index'];
  92     $indexes_info[$row['Key_name']]['Non_unique']      = $row['Non_unique'];
  93     if (isset($row['Cardinality'])) {
  94         $indexes_info[$row['Key_name']]['Cardinality'] = $row['Cardinality'];
  95     }
  96 //    I don't know what does following column mean....
  97 //    $indexes_info[$row['Key_name']]['Packed']          = $row['Packed'];
  98     $indexes_info[$row['Key_name']]['Comment']         = (isset($row['Comment']))
  99                                                        ? $row['Comment']
 100                                                        : '';
 101
 102     $indexes_data[$row['Key_name']][$row['Seq_in_index']]['Column_name']  = $row['Column_name'];
 103     if (isset($row['Sub_part'])) {
 104         $indexes_data[$row['Key_name']][$row['Seq_in_index']]['Sub_part'] = $row['Sub_part'];
 105     }
 106 } // end while
 107
 108 if (defined('PMA_IDX_INCLUDED')) {
 109     unset($ret_keys);
 110 } else if ($result) {
 111     mysql_free_result($result);
 112 }
 113
 114 // Get fields and stores their name/type
 115 // fields had already been grabbed in "tbl_properties.php3"
 116 if (defined('PMA_IDX_INCLUDED')) {
 117     mysql_data_seek($fields_rs, 0);
 118 } else {
 119     $local_query = 'SHOW FIELDS FROM ' . PMA_backquote($table);
 120     $fields_rs   = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url_0);
 121     $fields_cnt  = mysql_num_rows($fields_rs);
 122 }
 123
 124 $fields_names           = array();
 125 $fields_types           = array();
 126 while ($row = PMA_mysql_fetch_array($fields_rs)) {
 127     $fields_names[]     = $row['Field'];
 128     // loic1: set or enum types: slashes single quotes inside options
 129     if (eregi('^(set|enum)\((.+)\)$', $row['Type'], $tmp)) {
 130         $tmp[2]         = substr(ereg_replace('([^,])\'\'', '\\1\\\'', ',' . $tmp[2]), 1);
 131         $fields_types[] = $tmp[1] . '(' . str_replace(',', ', ', $tmp[2]) . ')';
 132     } else {
 133         $fields_types[] = $row['Type'];
 134     }
 135 } // end while
 136
 137 if ($fields_rs) {
 138     mysql_free_result($fields_rs);
 139 }
 140
 141
 142 /**
 143  * Stipslashes some variables if required
 144  */
 145 if (get_magic_quotes_gpc()) {
 146     if (isset($index)) {
 147         $index     = stripslashes($index);
 148     }
 149     if (isset($old_index)) {
 150         $old_index = stripslashes($old_index);
 151     }
 152 } // end if
 153
 154
 155 /**
 156  * Do run the query to build the new index and moves back to
 157  * "tbl_properties.php3"
 158  */
 159 if (!defined('PMA_IDX_INCLUDED')
 160     && (isset($index) && isset($do_save_data))) {
 161
 162     $err_url     = 'tbl_indexes.php3'
 163                  . '?lang=' . $lang
 164                  . '&amp;convcharset=' . $convcharset
 165                  . '&amp;server=' . $server
 166                  . '&amp;db=' . urlencode($db)
 167                  . '&amp;table=' . urlencode($table);
 168     if (empty($old_index)) {
 169         $err_url .= '&amp;create_index=1&amp;idx_num_fields=' . $idx_num_fields;
 170     } else {
 171         $err_url .= '&amp;index=' . urlencode($old_index);
 172     }
 173
 174     if ($index_type == 'PRIMARY') {
 175         if ($index == '') {
 176             $index = 'PRIMARY';
 177         } else if ($index != 'PRIMARY') {
 178             PMA_mysqlDie($strPrimaryKeyName, '', FALSE, $err_url);
 179         }
 180     } else if ($index == 'PRIMARY') {
 181          PMA_mysqlDie($strCantRenameIdxToPrimary, '', FALSE, $err_url);
 182     }
 183
 184
 185     // $sql_query is the one displayed in the query box, don't use it when you
 186     // need to generate a query in this script
 187     $local_query         = 'ALTER TABLE ' . PMA_backquote($table);
 188
 189     // Drops the old index
 190     if (!empty($old_index)) {
 191         if ($old_index == 'PRIMARY') {
 192             $local_query .= ' DROP PRIMARY KEY,';
 193         } else {
 194             $local_query .= ' DROP INDEX ' . PMA_backquote($old_index) .',';
 195         }
 196     } // end if
 197
 198     // Builds the new one
 199     switch ($index_type) {
 200         case 'PRIMARY':
 201             $local_query .= ' ADD PRIMARY KEY (';
 202             break;
 203         case 'FULLTEXT':
 204             $local_query .= ' ADD FULLTEXT ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 205             break;
 206         case 'UNIQUE':
 207             $local_query .= ' ADD UNIQUE ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 208             break;
 209         case 'INDEX':
 210             $local_query .= ' ADD INDEX ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 211             break;
 212     } // end switch
 213     $index_fields         = '';
 214     while (list($i, $name) = each($column)) {
 215         if ($name != '--ignore--') {
 216             $index_fields .= (empty($index_fields) ? '' : ',')
 217                           . PMA_backquote(get_magic_quotes_gpc() ? stripslashes($name) : $name)
 218                           . (empty($sub_part[$i]) ? '' : '(' . $sub_part[$i] . ')');
 219         }
 220     } // end while
 221     if (empty($index_fields)){
 222         PMA_mysqlDie($strNoIndexPartsDefined, '', FALSE, $err_url);
 223     } else {
 224         $local_query .= $index_fields . ')';
 225     }
 226
 227     $result    = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, FALSE, $err_url);
 228     $message   = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
 229
 230     include('./tbl_properties.php3');
 231     exit();
 232 } // end builds the new index
 233
 234
 235 /**
 236  * Edits an index or defines a new one
 237  */
 238 else if (!defined('PMA_IDX_INCLUDED')
 239          && (isset($index) || isset($create_index))) {
 240
 241     // Prepares the form values
 242     if (!isset($index)) {
 243         $index                                = '';
 244     }
 245     if (!isset($old_index)){
 246         $old_index                            = $index;
 247     }
 248     if (!isset($index_type)) {
 249         $index_type                           = '';
 250     }
 251     if ($old_index == '' || !isset($indexes_info[$old_index])) {
 252         $edited_index_info['Sequences']       = array();
 253         $edited_index_data                    = array();
 254         for ($i = 1; $i <= $idx_num_fields; $i++) {
 255             $edited_index_info['Sequences'][] = $i;
 256             $edited_index_data[$i]            = array('Column_name' => '', 'Sub_part' => '');
 257         } // end for
 258         if ($old_index == ''
 259             && !isset($indexes_info['PRIMARY'])
 260             && ($index_type == '' || $index_type == 'PRIMARY')) {
 261             $old_index                        = 'PRIMARY';
 262         }
 263     } else {
 264         $edited_index_info                    = $indexes_info[$old_index];
 265         $edited_index_data                    = $indexes_data[$old_index];
 266         if ($edited_index_info['Comment'] == 'FULLTEXT') {
 267             $index_type                       = 'FULLTEXT';
 268         } else if ($index == 'PRIMARY') {
 269             $index_type                       = 'PRIMARY';
 270         } else if ($edited_index_info['Non_unique'] == '0') {
 271             $index_type                       = 'UNIQUE';
 272         } else {
 273             $index_type                       = 'INDEX';
 274         }
 275     } // end if... else...
 276
 277     if (isset($add_fields)) {
 278         if (isset($prev_add_fields)) {
 279             $added_fields += $prev_add_fields;
 280         }
 281         $field_cnt = count($edited_index_info['Sequences']) + 1;
 282         for ($i = $field_cnt; $i < ($added_fields + $field_cnt); $i++) {
 283             $edited_index_info['Sequences'][] = $i;
 284             $edited_index_data[$i]            = array('Column_name' => '', 'Sub_part' => '');
 285         } // end for
 286
 287         // Restore entered values
 288         while (list($i, $name) = each($column)) {
 289             if ($name != '--ignore--'){
 290                 $edited_index_data[$i+1]['Column_name'] = $name;
 291                 $edited_index_data[$i+1]['Sub_part']    = $sub_part[$i];
 292             }
 293         } // end while
 294     } // end if
 295     // end preparing form values
 296     ?>
 297
 298 <!-- Build index form -->
 299 <form action="tbl_indexes.php3" method="post" name="index_frm"
 300     onsubmit="if (typeof(this.elements['index'].disabled) != 'undefined') {this.elements['index'].disabled = false}">
 301     <input type="hidden" name="lang" value="<?php echo $lang; ?>" />
 302     <input type="hidden" name="convcharset" value="<?php echo $convcharset; ?>" />
 303     <input type="hidden" name="server" value="<?php echo $server; ?>" />
 304     <input type="hidden" name="db" value="<?php echo $db; ?>" />
 305     <input type="hidden" name="table" value="<?php echo $table; ?>" />
 306     <?php
 307     if (isset($create_index)) {
 308         echo '<input type="hidden" name="create_index" value="1" />';
 309     }
 310     echo "\n";
 311     ?>
 312     <input type="hidden" name="old_index" value="<?php echo (isset($create_index) ? '' : $old_index); ?>" />
 313     <b><?php echo '------ ' . (isset($create_index) ? $strCreateIndexTopic : $strModifyIndexTopic) . ' ------'; ?></b>
 314     <br /><br />
 315
 316     <table border="0">
 317     <tr>
 318         <td><?php echo $strIndexName; ?>&nbsp;</td>
 319         <td>
 320             <input type="text" name="index" value="<?php echo htmlspecialchars($index); ?>" class="textfield" onfocus="this.select()" />
 321             &nbsp;<?php echo $strPrimaryKeyWarning . "\n"; ?>
 322         </td>
 323     </tr>
 324     <tr>
 325         <td><?php echo $strIndexType; ?>&nbsp;</td>
 326         <td>
 327             <select name="index_type" onchange="return checkIndexName()">
 328     <?php
 329     echo "\n";
 330     for ($i = 0; $i < $index_types_cnt; $i++) {
 331         if ($index_types[$i] == 'PRIMARY') {
 332             if ($index == 'PRIMARY' || !isset($indexes_info['PRIMARY'])) {
 333                 echo '                '
 334                      . '<option value="PRIMARY"' . (($index_type == 'PRIMARY') ? ' selected="selected"' : '') . '>PRIMARY</option>'
 335                      . "\n";
 336             }
 337         } else {
 338             echo '                '
 339                  . '<option value="' . $index_types[$i] . '"' . (($index_type == $index_types[$i]) ? ' selected="selected"' : '') . '>'. $index_types[$i] . '</option>'
 340                  . "\n";
 341
 342         } // end if... else...
 343     } // end for
 344     ?>
 345             </select>&nbsp;
 346             <?php echo PMA_showDocuShort('A/L/ALTER_TABLE.html') . "\n"; ?>
 347         </td>
 348     </tr>
 349     </table><br />
 350
 351     <table border="<?php echo $cfg['Border']; ?>" cellpadding="5">
 352     <tr>
 353         <th><?php echo $strField; ?></th>
 354         <th><?php echo $strSize; ?></th>
 355     </tr>
 356     <?php
 357     while (list($row_no, $seq_index) = each($edited_index_info['Sequences'])) {
 358         $add_type     = (is_array($fields_types) && count($fields_types) == count($fields_names));
 359         $selected     = $edited_index_data[$seq_index]['Column_name'];
 360         if (!empty($edited_index_data[$seq_index]['Sub_part'])) {
 361             $sub_part = ' value="' . $edited_index_data[$seq_index]['Sub_part'] . '"';
 362         } else {
 363             $sub_part = '';
 364         }
 365         $bgcolor      = (($row_no % 2) ? $cfg['BgcolorOne'] : $cfg['BgcolorTwo']);
 366         echo "\n";
 367         ?>
 368     <tr>
 369         <td bgcolor="<?php echo $bgcolor; ?>">
 370             <select name="column[]">
 371                 <option value="--ignore--"<?php if ('--ignore--' == $selected) echo ' selected="selected"'; ?>>
 372                     -- <?php echo $strIgnore; ?> --</option>
 373         <?php
 374         reset($fields_names);
 375         while (list($key, $val) = each($fields_names)) {
 376             if ($index_type != 'FULLTEXT'
 377                 || eregi('^(varchar|text|tinytext|mediumtext|longtext)', $fields_types[$key])) {
 378                 echo "\n" . '                '
 379                      . '<option value="' . htmlspecialchars($val) . '"' . (($val == $selected) ? ' selected="selected"' : '') . '>'
 380                      . htmlspecialchars($val) . (($add_type) ? ' [' . $fields_types[$key] . ']' : '' ) . '</option>' . "\n";
 381             }
 382         } // end while
 383         echo "\n";
 384         ?>
 385             </select>
 386         </td>
 387         <td bgcolor="<?php echo $bgcolor; ?>">
 388             <input type="text" size="5" name="sub_part[]"<?php echo $sub_part; ?> onfocus="this.select()" />
 389         </td>
 390     </tr>
 391         <?php
 392     } // end while
 393
 394     echo "\n";
 395     ?>
 396     </table><br />
 397
 398     <input type="submit" name="do_save_data" value="<?php echo $strSave; ?>" /><br />
 399
 400     <?php
 401     echo "\n";
 402     if (isset($added_fields)) {
 403         echo '    <input type="hidden" name="prev_add_fields" value="' . $added_fields . '" />';
 404     }
 405     if (isset($idx_num_fields)) {
 406         echo '    <input type="hidden" name="idx_num_fields" value="' . $idx_num_fields . '" />' . "\n";
 407     }
 408     echo '    <hr /><br />' . "\n";
 409     echo '    ' . sprintf($strAddToIndex,  '<input type="text" name="added_fields" size="4" value="1" class="textfield" onfocus="this.select()" />') . "\n";
 410     echo '    &nbsp;<input type="submit" name="add_fields" value="' . $strGo . '" onclick="return checkFormElementInRange(this.form, \'added_fields\', 1)" />' . "\n";
 411
 412 } else {
 413     /**
 414      * Display indexes
 415      */
 416     ?>
 417     <!-- Indexes form -->
 418     <form action="tbl_indexes.php3" method="post">
 419         <input type="hidden" name="lang" value="<?php echo $lang; ?>" />
 420         <input type="hidden" name="convcharset" value="<?php echo $convcharset; ?>" />
 421         <input type="hidden" name="server" value="<?php echo $server; ?>" />
 422         <input type="hidden" name="db" value="<?php echo $db; ?>" />
 423         <input type="hidden" name="table" value="<?php echo $table; ?>" />
 424     <?php
 425     echo "\n";
 426     echo '        ' . $strIndexes . '&nbsp;:' . "\n";
 427     echo '        ' . PMA_showDocuShort('O/p/Optimising_Database_Structure.html') . '<br />' ."\n";
 428
 429     if ($idx_cnt > 0) {
 430         ?>
 431         <table border="<?php echo $cfg['Border']; ?>">
 432         <tr>
 433             <th><?php echo $strKeyname; ?></th>
 434             <th><?php echo $strType; ?></th>
 435             <th><?php echo $strCardinality; ?></th>
 436             <th colspan="2"><?php echo $strAction; ?></th>
 437             <th colspan="2"><?php echo $strField; ?></th>
 438         </tr>
 439         <?php
 440         echo "\n";
 441         while (list($index_no, $index_name) = each($indexes)) {
 442             $cell_bgd = (($index_no % 2) ? $cfg['BgcolorOne'] : $cfg['BgcolorTwo']);
 443             $index_td = '            <td bgcolor="' . $cell_bgd . '" rowspan="' . count($indexes_info[$index_name]['Sequences']) . '">' . "\n";
 444             echo '        <tr>' . "\n";
 445             echo $index_td
 446                  . '                ' . htmlspecialchars($index_name) . "\n"
 447                  . '            </td>' . "\n";
 448
 449             if ($indexes_info[$index_name]['Comment'] == 'FULLTEXT') {
 450                 $index_type = 'FULLTEXT';
 451             } else if ($index_name == 'PRIMARY') {
 452                 $index_type = 'PRIMARY';
 453             } else if ($indexes_info[$index_name]['Non_unique'] == '0') {
 454                 $index_type = 'UNIQUE';
 455             } else {
 456                 $index_type = 'INDEX';
 457             }
 458             echo $index_td
 459                  . '                ' . $index_type . "\n"
 460                  . '            </td>' . "\n";
 461
 462             echo str_replace('">' . "\n", '" align="right">' . "\n", $index_td)
 463                  . '                ' . (isset($indexes_info[$index_name]['Cardinality']) ? $indexes_info[$index_name]['Cardinality'] : $strNone) . '&nbsp;' . "\n"
 464                  . '            </td>' . "\n";
 465
 466             if ($index_name == 'PRIMARY') {
 467                 $local_query = urlencode('ALTER TABLE ' . PMA_backquote($table) . ' DROP PRIMARY KEY');
 468                 $js_msg    = 'ALTER TABLE ' . PMA_jsFormat($table) . ' DROP PRIMARY KEY';
 469                 $zero_rows = urlencode($strPrimaryKeyHasBeenDropped);
 470             } else {
 471                 $local_query = urlencode('ALTER TABLE ' . PMA_backquote($table) . ' DROP INDEX ' . PMA_backquote($index_name));
 472                 $js_msg    = 'ALTER TABLE ' . PMA_jsFormat($table) . ' DROP INDEX ' . PMA_jsFormat($index_name);
 473                 $zero_rows = urlencode(sprintf($strIndexHasBeenDropped, htmlspecialchars($index_name)));
 474             }
 475             echo $index_td
 476                  . '                <a href="sql.php3?' . $url_query . '&amp;sql_query=' . $local_query . '&amp;zero_rows=' . $zero_rows . '" onclick="return confirmLink(this, \'' . $js_msg . '\')">' . $strDrop . '</a>' . "\n"
 477                  . '            </td>' . "\n";
 478
 479             echo $index_td
 480                  . '                <a href="tbl_indexes.php3?' . $url_query . '&amp;index=' . urlencode($index_name) . '">' . $strEdit . '</a>' . "\n"
 481                  . '            </td>' . "\n";
 482
 483             while (list($row_no, $seq_index) = each($indexes_info[$index_name]['Sequences'])) {
 484                 if ($row_no > 0) {
 485                     echo '        <tr>' . "\n";
 486                 }
 487                 if (!empty($indexes_data[$index_name][$seq_index]['Sub_part'])) {
 488                     echo '            <td bgcolor="' . $cell_bgd . '">' . "\n"
 489                          . '                ' . $indexes_data[$index_name][$seq_index]['Column_name'] . "\n"
 490                          . '            </td>' . "\n";
 491                     echo '            <td align="right" bgcolor="' . $cell_bgd . '">' . "\n"
 492                          . '                ' . $indexes_data[$index_name][$seq_index]['Sub_part'] . "\n"
 493                          . '            </td>' . "\n";
 494                     echo '        </tr>' . "\n";
 495                 } else {
 496                     echo '            <td bgcolor="' . $cell_bgd . '" colspan="2">' . "\n"
 497                          . '                ' . $indexes_data[$index_name][$seq_index]['Column_name'] . "\n"
 498                          . '            </td>' . "\n";
 499                     echo '        </tr>' . "\n";
 500                 }
 501             } // end while
 502         } // end while
 503         ?>
 504         </table><br />
 505         <?php
 506         echo "\n\n";
 507     } // end display indexes
 508     else {
 509         // none indexes
 510         echo "\n" . '        <br />' . "\n";
 511         echo '        <i>' . $strNoIndex . '</i><br /><br />' . "\n\n";
 512     }
 513
 514     echo '        ' . sprintf($strCreateIndex, '<input type="text" size="4" name="idx_num_fields" value="1" class="textfield" />') . "\n";
 515     echo '        &nbsp;<input type="submit" name="create_index" value="' . $strGo . '" onclick="return checkFormElementInRange(this.form, \'idx_num_fields\', 1)" />' . "\n";
 516     echo '    ';
 517 } // end display indexes
 518
 519 ?>
 520 </form>
 521
 522
 523 <?php
 524 /**
 525  * Displays the footer
 526  */
 527 echo "\n";
 528
 529 if (!defined('PMA_IDX_INCLUDED')){
 530     include('./footer.inc.php3');
 531 }
 532 ?>