tbl_indexes.php3

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4
   5
   6 /**
   7  * Gets some core libraries
   8  */
   9 if (!defined('PMA_GRAB_GLOBALS_INCLUDED')) {
  10     include('./libraries/grab_globals.lib.php3');
  11 }
  12 if (!defined('PMA_COMMON_LIB_INCLUDED'))  {
  13     include('./libraries/common.lib.php3');
  14 }
  15
  16
  17 /**
  18  * Defines the index types ("FULLTEXT" is available since MySQL 3.23.23)
  19  */
  20 $index_types_cnt   = 3;
  21 $index_types       = array(
  22     'PRIMARY',
  23     'INDEX',
  24     'UNIQUE'
  25 );
  26 if (PMA_MYSQL_INT_VERSION >= 32323) {
  27     $index_types[] = 'FULLTEXT';
  28     $index_types_cnt++;
  29 }
  30
  31
  32 /**
  33  * Ensures the db & table are valid, then loads headers and gets indexes
  34  * informations.
  35  * Skipped if this script is called by "tbl_properties.php3"
  36  */
  37 if (!defined('PMA_IDX_INCLUDED')) {
  38     // Not a valid db name -> back to the welcome page
  39     if (!empty($db)) {
  40         $is_db = @PMA_mysql_select_db($db);
  41     }
  42     if (empty($db) || !$is_db) {
  43         header('Location: ' . $cfg['PmaAbsoluteUri'] . 'main.php3?' . PMA_generate_common_url('', '', '&') . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
  44         exit();
  45     }
  46     // Not a valid table name -> back to the default db_details sub-page
  47     if (!empty($table)) {
  48         $is_table = @PMA_mysql_query('SHOW TABLES LIKE \'' . PMA_sqlAddslashes($table, TRUE) . '\'');
  49     }
  50     if (empty($table)
  51         || !($is_table && @mysql_numrows($is_table))) {
  52         header('Location: ' . $cfg['PmaAbsoluteUri'] . $cfg['DefaultTabDatabase'] . '?' . PMA_generate_common_url($db, '', '&') . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
  53         exit();
  54     } else if (isset($is_table)) {
  55         mysql_free_result($is_table);
  56     }
  57
  58     // Displays headers (if needed)
  59     $js_to_run = ((isset($index) && isset($do_save_data)) ? 'functions.js' : 'indexes.js');
  60     include('./header.inc.php3');
  61 } // end if
  62
  63
  64 /**
  65  * Gets fields and indexes informations
  66  */
  67 if (defined('PMA_IDX_INCLUDED')) {
  68     $err_url_0 = 'db_details.php3?' . PMA_generate_common_url($db);
  69 }
  70
  71 //  Gets table keys and store them in arrays
  72 $indexes      = array();
  73 $prev_index   = '';
  74 $indexes_info = array();
  75 $indexes_data = array();
  76 // keys had already been grabbed in "tbl_properties.php3"
  77 if (defined('PMA_IDX_INCLUDED')) {
  78     $idx_cnt     = count($ret_keys);
  79 } else {
  80     $local_query = 'SHOW KEYS FROM ' . PMA_backquote($table);
  81     $result      = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url_0);
  82     $idx_cnt     = mysql_num_rows($result);
  83 }
  84
  85 for ($i = 0; $i < $idx_cnt; $i++) {
  86     $row = (defined('PMA_IDX_INCLUDED') ? $ret_keys[$i] : PMA_mysql_fetch_array($result));
  87
  88     if ($row['Key_name'] != $prev_index ){
  89         $indexes[]  = $row['Key_name'];
  90         $prev_index = $row['Key_name'];
  91     }
  92     $indexes_info[$row['Key_name']]['Sequences'][]     = $row['Seq_in_index'];
  93     $indexes_info[$row['Key_name']]['Non_unique']      = $row['Non_unique'];
  94     if (isset($row['Cardinality'])) {
  95         $indexes_info[$row['Key_name']]['Cardinality'] = $row['Cardinality'];
  96     }
  97 //    I don't know what does following column mean....
  98 //    $indexes_info[$row['Key_name']]['Packed']          = $row['Packed'];
  99     $indexes_info[$row['Key_name']]['Comment']         = (isset($row['Comment']))
 100                                                        ? $row['Comment']
 101                                                        : '';
 102     $indexes_info[$row['Key_name']]['Index_type']      = (isset($row['Index_type']))
 103                                                        ? $row['Index_type']
 104                                                        : '';
 105
 106     $indexes_data[$row['Key_name']][$row['Seq_in_index']]['Column_name']  = $row['Column_name'];
 107     if (isset($row['Sub_part'])) {
 108         $indexes_data[$row['Key_name']][$row['Seq_in_index']]['Sub_part'] = $row['Sub_part'];
 109     }
 110 } // end while
 111
 112 if (defined('PMA_IDX_INCLUDED')) {
 113     unset($ret_keys);
 114 } else if ($result) {
 115     mysql_free_result($result);
 116 }
 117
 118 // Get fields and stores their name/type
 119 // fields had already been grabbed in "tbl_properties.php3"
 120 if (defined('PMA_IDX_INCLUDED')) {
 121     mysql_data_seek($fields_rs, 0);
 122 } else {
 123     $local_query = 'SHOW FIELDS FROM ' . PMA_backquote($table);
 124     $fields_rs   = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url_0);
 125     $fields_cnt  = mysql_num_rows($fields_rs);
 126 }
 127
 128 $fields_names           = array();
 129 $fields_types           = array();
 130 while ($row = PMA_mysql_fetch_array($fields_rs)) {
 131     $fields_names[]     = $row['Field'];
 132     // loic1: set or enum types: slashes single quotes inside options
 133     if (eregi('^(set|enum)\((.+)\)$', $row['Type'], $tmp)) {
 134         $tmp[2]         = substr(ereg_replace('([^,])\'\'', '\\1\\\'', ',' . $tmp[2]), 1);
 135         $fields_types[] = $tmp[1] . '(' . str_replace(',', ', ', $tmp[2]) . ')';
 136     } else {
 137         $fields_types[] = $row['Type'];
 138     }
 139 } // end while
 140
 141 if ($fields_rs) {
 142     mysql_free_result($fields_rs);
 143 }
 144
 145
 146 /**
 147  * Do run the query to build the new index and moves back to
 148  * "tbl_properties.php3"
 149  */
 150 if (!defined('PMA_IDX_INCLUDED')
 151     && (isset($index) && isset($do_save_data))) {
 152
 153     $err_url     = 'tbl_indexes.php3?' . PMA_generate_common_url($db, $table);
 154     if (empty($old_index)) {
 155         $err_url .= '&amp;create_index=1&amp;idx_num_fields=' . $idx_num_fields;
 156     } else {
 157         $err_url .= '&amp;index=' . urlencode($old_index);
 158     }
 159
 160     if ($index_type == 'PRIMARY') {
 161         if ($index == '') {
 162             $index = 'PRIMARY';
 163         } else if ($index != 'PRIMARY') {
 164             PMA_mysqlDie($strPrimaryKeyName, '', FALSE, $err_url);
 165         }
 166     } else if ($index == 'PRIMARY') {
 167          PMA_mysqlDie($strCantRenameIdxToPrimary, '', FALSE, $err_url);
 168     }
 169
 170
 171     // $sql_query is the one displayed in the query box
 172     $sql_query         = 'ALTER TABLE ' . PMA_backquote($table);
 173
 174     // Drops the old index
 175     if (!empty($old_index)) {
 176         if ($old_index == 'PRIMARY') {
 177             $sql_query .= ' DROP PRIMARY KEY,';
 178         } else {
 179             $sql_query .= ' DROP INDEX ' . PMA_backquote($old_index) .',';
 180         }
 181     } // end if
 182
 183     // Builds the new one
 184     switch ($index_type) {
 185         case 'PRIMARY':
 186             $sql_query .= ' ADD PRIMARY KEY (';
 187             break;
 188         case 'FULLTEXT':
 189             $sql_query .= ' ADD FULLTEXT ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 190             break;
 191         case 'UNIQUE':
 192             $sql_query .= ' ADD UNIQUE ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 193             break;
 194         case 'INDEX':
 195             $sql_query .= ' ADD INDEX ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 196             break;
 197     } // end switch
 198     $index_fields         = '';
 199     while (list($i, $name) = each($column)) {
 200         if ($name != '--ignore--') {
 201             $index_fields .= (empty($index_fields) ? '' : ',')
 202                           . PMA_backquote($name)
 203                           . (empty($sub_part[$i]) ? '' : '(' . $sub_part[$i] . ')');
 204         }
 205     } // end while
 206     if (empty($index_fields)){
 207         PMA_mysqlDie($strNoIndexPartsDefined, '', FALSE, $err_url);
 208     } else {
 209         $sql_query .= $index_fields . ')';
 210     }
 211
 212     $result    = PMA_mysql_query($sql_query) or PMA_mysqlDie('', $sql_query, FALSE, $err_url);
 213     $message   = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
 214
 215     include('./tbl_properties_structure.php3');
 216     exit();
 217 } // end builds the new index
 218
 219
 220 /**
 221  * Edits an index or defines a new one
 222  */
 223 else if (!defined('PMA_IDX_INCLUDED')
 224          && (isset($index) || isset($create_index))) {
 225
 226     // Prepares the form values
 227     if (!isset($index)) {
 228         $index                                = '';
 229     }
 230     if (!isset($old_index)){
 231         $old_index                            = $index;
 232     }
 233     if (!isset($index_type)) {
 234         $index_type                           = '';
 235     }
 236     if ($old_index == '' || !isset($indexes_info[$old_index])) {
 237         $edited_index_info['Sequences']       = array();
 238         $edited_index_data                    = array();
 239         for ($i = 1; $i <= $idx_num_fields; $i++) {
 240             $edited_index_info['Sequences'][] = $i;
 241             $edited_index_data[$i]            = array('Column_name' => '', 'Sub_part' => '');
 242         } // end for
 243         if ($old_index == ''
 244             && !isset($indexes_info['PRIMARY'])
 245             && ($index_type == '' || $index_type == 'PRIMARY')) {
 246             $old_index                        = 'PRIMARY';
 247         }
 248     } else {
 249         $edited_index_info                    = $indexes_info[$old_index];
 250         $edited_index_data                    = $indexes_data[$old_index];
 251         if ($edited_index_info['Comment'] == 'FULLTEXT') {
 252             $index_type                       = 'FULLTEXT';
 253         } else if ($index == 'PRIMARY') {
 254             $index_type                       = 'PRIMARY';
 255         } else if ($edited_index_info['Non_unique'] == '0') {
 256             $index_type                       = 'UNIQUE';
 257         } else {
 258             $index_type                       = 'INDEX';
 259         }
 260     } // end if... else...
 261
 262     if (isset($add_fields)) {
 263         if (isset($prev_add_fields)) {
 264             $added_fields += $prev_add_fields;
 265         }
 266         $field_cnt = count($edited_index_info['Sequences']) + 1;
 267         for ($i = $field_cnt; $i < ($added_fields + $field_cnt); $i++) {
 268             $edited_index_info['Sequences'][] = $i;
 269             $edited_index_data[$i]            = array('Column_name' => '', 'Sub_part' => '');
 270         } // end for
 271
 272         // Restore entered values
 273         while (list($i, $name) = each($column)) {
 274             if ($name != '--ignore--'){
 275                 $edited_index_data[$i+1]['Column_name'] = $name;
 276                 $edited_index_data[$i+1]['Sub_part']    = $sub_part[$i];
 277             }
 278         } // end while
 279     } // end if
 280     // end preparing form values
 281     ?>
 282
 283 <!-- Build index form -->
 284 <form action="tbl_indexes.php3" method="post" name="index_frm"
 285     onsubmit="if (typeof(this.elements['index'].disabled) != 'undefined') {this.elements['index'].disabled = false}">
 286     <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 287     <?php
 288     if (isset($create_index)) {
 289         echo '<input type="hidden" name="create_index" value="1" />';
 290     }
 291     echo "\n";
 292     ?>
 293     <input type="hidden" name="old_index" value="<?php echo (isset($create_index) ? '' : htmlspecialchars($old_index)); ?>" />
 294     <b><?php echo '------ ' . (isset($create_index) ? $strCreateIndexTopic : $strModifyIndexTopic) . ' ------'; ?></b>
 295     <br /><br />
 296
 297     <table border="0">
 298     <tr>
 299         <td><?php echo $strIndexName; ?>&nbsp;</td>
 300         <td>
 301             <input type="text" name="index" value="<?php echo htmlspecialchars($index); ?>" class="textfield" onfocus="this.select()" />
 302             &nbsp;<?php echo $strPrimaryKeyWarning . "\n"; ?>
 303         </td>
 304     </tr>
 305     <tr>
 306         <td><?php echo $strIndexType; ?>&nbsp;</td>
 307         <td>
 308             <select name="index_type" onchange="return checkIndexName()">
 309     <?php
 310     echo "\n";
 311     for ($i = 0; $i < $index_types_cnt; $i++) {
 312         if ($index_types[$i] == 'PRIMARY') {
 313             if ($index == 'PRIMARY' || !isset($indexes_info['PRIMARY'])) {
 314                 echo '                '
 315                      . '<option value="PRIMARY"' . (($index_type == 'PRIMARY') ? ' selected="selected"' : '') . '>PRIMARY</option>'
 316                      . "\n";
 317             }
 318         } else {
 319             echo '                '
 320                  . '<option value="' . $index_types[$i] . '"' . (($index_type == $index_types[$i]) ? ' selected="selected"' : '') . '>'. $index_types[$i] . '</option>'
 321                  . "\n";
 322
 323         } // end if... else...
 324     } // end for
 325     ?>
 326             </select>&nbsp;
 327             <?php echo PMA_showMySQLDocu('Reference', 'ALTER_TABLE') . "\n"; ?>
 328         </td>
 329     </tr>
 330     </table><br />
 331
 332     <table border="<?php echo $cfg['Border']; ?>" cellpadding="5">
 333     <tr>
 334         <th><?php echo $strField; ?></th>
 335         <th><?php echo $strSize; ?></th>
 336     </tr>
 337     <?php
 338     while (list($row_no, $seq_index) = each($edited_index_info['Sequences'])) {
 339         $add_type     = (is_array($fields_types) && count($fields_types) == count($fields_names));
 340         $selected     = $edited_index_data[$seq_index]['Column_name'];
 341         if (!empty($edited_index_data[$seq_index]['Sub_part'])) {
 342             $sub_part = ' value="' . $edited_index_data[$seq_index]['Sub_part'] . '"';
 343         } else {
 344             $sub_part = '';
 345         }
 346         $bgcolor      = (($row_no % 2) ? $cfg['BgcolorOne'] : $cfg['BgcolorTwo']);
 347         echo "\n";
 348         ?>
 349     <tr>
 350         <td bgcolor="<?php echo $bgcolor; ?>">
 351             <select name="column[]">
 352                 <option value="--ignore--"<?php if ('--ignore--' == $selected) echo ' selected="selected"'; ?>>
 353                     -- <?php echo $strIgnore; ?> --</option>
 354         <?php
 355         reset($fields_names);
 356         while (list($key, $val) = each($fields_names)) {
 357             if ($index_type != 'FULLTEXT'
 358                 || eregi('^(varchar|text|tinytext|mediumtext|longtext)', $fields_types[$key])) {
 359                 echo "\n" . '                '
 360                      . '<option value="' . htmlspecialchars($val) . '"' . (($val == $selected) ? ' selected="selected"' : '') . '>'
 361                      . htmlspecialchars($val) . (($add_type) ? ' [' . $fields_types[$key] . ']' : '' ) . '</option>' . "\n";
 362             }
 363         } // end while
 364         echo "\n";
 365         ?>
 366             </select>
 367         </td>
 368         <td bgcolor="<?php echo $bgcolor; ?>">
 369             <input type="text" size="5" name="sub_part[]"<?php echo $sub_part; ?> onfocus="this.select()" />
 370         </td>
 371     </tr>
 372         <?php
 373     } // end while
 374
 375     echo "\n";
 376     ?>
 377     </table><br />
 378
 379     <input type="submit" name="do_save_data" value="<?php echo $strSave; ?>" /><br />
 380
 381     <?php
 382     echo "\n";
 383     if (isset($added_fields)) {
 384         echo '    <input type="hidden" name="prev_add_fields" value="' . $added_fields . '" />';
 385     }
 386     if (isset($idx_num_fields)) {
 387         echo '    <input type="hidden" name="idx_num_fields" value="' . $idx_num_fields . '" />' . "\n";
 388     }
 389     echo '    <hr /><br />' . "\n";
 390     echo '    ' . sprintf($strAddToIndex,  '<input type="text" name="added_fields" size="4" value="1" class="textfield" onfocus="this.select()" />') . "\n";
 391     echo '    &nbsp;<input type="submit" name="add_fields" value="' . $strGo . '" onclick="return checkFormElementInRange(this.form, \'added_fields\', 1)" />' . "\n";
 392
 393 } else {
 394     /**
 395      * Display indexes
 396      */
 397     ?>
 398     <!-- Indexes form -->
 399     <form action="tbl_indexes.php3" method="post">
 400         <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 401     <?php
 402     echo "\n";
 403     echo '        ' . $strIndexes . '&nbsp;:' . "\n";
 404     echo '        ' . PMA_showMySQLDocu('MySQL_Optimisation', 'Optimising_Database_Structure') . '<br />' ."\n";
 405
 406     if ($idx_cnt > 0) {
 407         ?>
 408         <table border="<?php echo $cfg['Border']; ?>">
 409         <tr>
 410             <th><?php echo $strKeyname; ?></th>
 411             <th><?php echo $strType; ?></th>
 412             <th><?php echo $strCardinality; ?></th>
 413             <th colspan="2"><?php echo $strAction; ?></th>
 414             <th colspan="2"><?php echo $strField; ?></th>
 415         </tr>
 416         <?php
 417         echo "\n";
 418         while (list($index_no, $index_name) = each($indexes)) {
 419             $cell_bgd = (($index_no % 2) ? $cfg['BgcolorOne'] : $cfg['BgcolorTwo']);
 420             $index_td = '            <td bgcolor="' . $cell_bgd . '" rowspan="' . count($indexes_info[$index_name]['Sequences']) . '">' . "\n";
 421             echo '        <tr>' . "\n";
 422             echo $index_td
 423                  . '                ' . htmlspecialchars($index_name) . "\n"
 424                  . '            </td>' . "\n";
 425
 426             if ((PMA_MYSQL_INT_VERSION >= 32323 && PMA_MYSQL_INT_VERSION < 40002 && $indexes_info[$index_name]['Comment'] == 'FULLTEXT')
 427                 || (PMA_MYSQL_INT_VERSION >= 40002 && $indexes_info[$index_name]['Index_type'] == 'FULLTEXT')) {
 428                 $index_type = 'FULLTEXT';
 429             } else if ($index_name == 'PRIMARY') {
 430                 $index_type = 'PRIMARY';
 431             } else if ($indexes_info[$index_name]['Non_unique'] == '0') {
 432                 $index_type = 'UNIQUE';
 433             } else {
 434                 $index_type = 'INDEX';
 435             }
 436             echo $index_td
 437                  . '                ' . $index_type . "\n"
 438                  . '            </td>' . "\n";
 439
 440             echo str_replace('">' . "\n", '" align="right">' . "\n", $index_td)
 441                  . '                ' . (isset($indexes_info[$index_name]['Cardinality']) ? $indexes_info[$index_name]['Cardinality'] : $strNone) . '&nbsp;' . "\n"
 442                  . '            </td>' . "\n";
 443
 444             if ($index_name == 'PRIMARY') {
 445                 $local_query = urlencode('ALTER TABLE ' . PMA_backquote($table) . ' DROP PRIMARY KEY');
 446                 $js_msg    = 'ALTER TABLE ' . PMA_jsFormat($table) . ' DROP PRIMARY KEY';
 447                 $zero_rows = urlencode($strPrimaryKeyHasBeenDropped);
 448             } else {
 449                 $local_query = urlencode('ALTER TABLE ' . PMA_backquote($table) . ' DROP INDEX ' . PMA_backquote($index_name));
 450                 $js_msg    = 'ALTER TABLE ' . PMA_jsFormat($table) . ' DROP INDEX ' . PMA_jsFormat($index_name);
 451                 $zero_rows = urlencode(sprintf($strIndexHasBeenDropped, htmlspecialchars($index_name)));
 452             }
 453             echo $index_td
 454                  . '                <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"
 455                  . '            </td>' . "\n";
 456
 457             echo $index_td
 458                  . '                <a href="tbl_indexes.php3?' . $url_query . '&amp;index=' . urlencode($index_name) . '">' . $strEdit . '</a>' . "\n"
 459                  . '            </td>' . "\n";
 460
 461             while (list($row_no, $seq_index) = each($indexes_info[$index_name]['Sequences'])) {
 462                 if ($row_no > 0) {
 463                     echo '        <tr>' . "\n";
 464                 }
 465                 if (!empty($indexes_data[$index_name][$seq_index]['Sub_part'])) {
 466                     echo '            <td bgcolor="' . $cell_bgd . '">' . "\n"
 467                          . '                ' . $indexes_data[$index_name][$seq_index]['Column_name'] . "\n"
 468                          . '            </td>' . "\n";
 469                     echo '            <td align="right" bgcolor="' . $cell_bgd . '">' . "\n"
 470                          . '                ' . $indexes_data[$index_name][$seq_index]['Sub_part'] . "\n"
 471                          . '            </td>' . "\n";
 472                     echo '        </tr>' . "\n";
 473                 } else {
 474                     echo '            <td bgcolor="' . $cell_bgd . '" colspan="2">' . "\n"
 475                          . '                ' . htmlspecialchars($indexes_data[$index_name][$seq_index]['Column_name']) . "\n"
 476                          . '            </td>' . "\n";
 477                     echo '        </tr>' . "\n";
 478                 }
 479             } // end while
 480         } // end while
 481         ?>
 482         </table><br />
 483         <?php
 484         echo "\n\n";
 485     } // end display indexes
 486     else {
 487         // none indexes
 488         echo "\n" . '        <br />' . "\n";
 489         echo '        <i>' . $strNoIndex . '</i><br /><br />' . "\n\n";
 490     }
 491
 492     echo '        ' . sprintf($strCreateIndex, '<input type="text" size="4" name="idx_num_fields" value="1" class="textfield" />') . "\n";
 493     echo '        &nbsp;<input type="submit" name="create_index" value="' . $strGo . '" onclick="return checkFormElementInRange(this.form, \'idx_num_fields\', 1)" />' . "\n";
 494     echo '    ';
 495 } // end display indexes
 496
 497 ?>
 498 </form>
 499
 500
 501 <?php
 502 /**
 503  * Displays the footer
 504  */
 505 echo "\n";
 506
 507 if (!defined('PMA_IDX_INCLUDED')){
 508     include('./footer.inc.php3');
 509 }
 510 ?>