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/grab_globals.lib.php');
   9 require_once('./libraries/common.lib.php');
  10 require_once('./libraries/tbl_indexes.lib.php');
  11
  12 /**
  13  * Defines the index types ("FULLTEXT" is available since MySQL 3.23.23)
  14  */
  15 $index_types       = PMA_get_indextypes();
  16 $index_types_cnt   = count($index_types);
  17
  18 /**
  19  * Ensures the db & table are valid, then loads headers and gets indexes
  20  * informations.
  21  * Skipped if this script is called by "tbl_properties.php"
  22  */
  23 if (!defined('PMA_IDX_INCLUDED')) {
  24     // Not a valid db name -> back to the welcome page
  25     if (!empty($db)) {
  26         $is_db = PMA_DBI_select_db($db);
  27     }
  28     if (empty($db) || !$is_db) {
  29         PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . 'main.php?' . PMA_generate_common_url('', '', '&') . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
  30         exit;
  31     }
  32     // Not a valid table name -> back to the default db_details sub-page
  33     if (!empty($table)) {
  34         $is_table = PMA_DBI_query('SHOW TABLES LIKE \'' . PMA_sqlAddslashes($table, TRUE) . '\'', NULL, PMA_DBI_QUERY_STORE);
  35     }
  36     if (empty($table)
  37         || !($is_table && PMA_DBI_num_rows($is_table))) {
  38         PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . $cfg['DefaultTabDatabase'] . '?' . PMA_generate_common_url($db, '', '&') . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
  39         exit;
  40     } else if (isset($is_table)) {
  41         PMA_DBI_free_result($is_table);
  42     }
  43
  44     // Displays headers (if needed)
  45     $js_to_run = ((isset($index) && isset($do_save_data)) ? 'functions.js' : 'indexes.js');
  46     require_once('./header.inc.php');
  47 } // end if
  48
  49
  50 /**
  51  * Gets fields and indexes informations
  52  */
  53 if (!defined('PMA_IDX_INCLUDED')) {
  54     $err_url_0 = 'db_details.php?' . PMA_generate_common_url($db);
  55 }
  56
  57 //  Gets table keys and store them in arrays
  58 $indexes      = array();
  59 $indexes_info = array();
  60 $indexes_data = array();
  61 // keys had already been grabbed in "tbl_properties.php"
  62 if (!defined('PMA_IDX_INCLUDED')) {
  63     $ret_keys = PMA_get_indexes($table, $err_url_0);
  64 }
  65
  66 PMA_extract_indexes($ret_keys, $indexes, $indexes_info, $indexes_data);
  67
  68 // Get fields and stores their name/type
  69 // fields had already been grabbed in "tbl_properties.php"
  70 if (!defined('PMA_IDX_INCLUDED')) {
  71     $fields_rs   = PMA_DBI_query('SHOW FIELDS FROM ' . PMA_backquote($table) . ';');
  72     $save_row   = array();
  73     while ($row = PMA_DBI_fetch_assoc($fields_rs)) {
  74         $save_row[] = $row;
  75     }
  76 }
  77
  78 $fields_names           = array();
  79 $fields_types           = array();
  80 foreach ($save_row AS $saved_row_key => $row) {
  81     $fields_names[]     = $row['Field'];
  82     // loic1: set or enum types: slashes single quotes inside options
  83     if (preg_match('@^(set|enum)\((.+)\)$@i', $row['Type'], $tmp)) {
  84         $tmp[2]         = substr(preg_replace('@([^,])\'\'@', '\\1\\\'', ',' . $tmp[2]), 1);
  85         $fields_types[] = $tmp[1] . '(' . str_replace(',', ', ', $tmp[2]) . ')';
  86     } else {
  87         $fields_types[] = $row['Type'];
  88     }
  89 } // end while
  90
  91 if ($fields_rs) {
  92     PMA_DBI_free_result($fields_rs);
  93 }
  94
  95
  96 /**
  97  * Do run the query to build the new index and moves back to
  98  * "tbl_properties.php"
  99  */
 100 if (!defined('PMA_IDX_INCLUDED')
 101     && (isset($index) && isset($do_save_data))) {
 102
 103     $err_url     = 'tbl_indexes.php?' . PMA_generate_common_url($db, $table);
 104     if (empty($old_index)) {
 105         $err_url .= '&amp;create_index=1&amp;idx_num_fields=' . $idx_num_fields;
 106     } else {
 107         $err_url .= '&amp;index=' . urlencode($old_index);
 108     }
 109
 110     if ($index_type == 'PRIMARY') {
 111         if ($index == '') {
 112             $index = 'PRIMARY';
 113         } else if ($index != 'PRIMARY') {
 114             PMA_mysqlDie($strPrimaryKeyName, '', FALSE, $err_url);
 115         }
 116     } else if ($index == 'PRIMARY') {
 117          PMA_mysqlDie($strCantRenameIdxToPrimary, '', FALSE, $err_url);
 118     }
 119
 120
 121     // $sql_query is the one displayed in the query box
 122     $sql_query         = 'ALTER TABLE ' . PMA_backquote($table);
 123
 124     // Drops the old index
 125     if (!empty($old_index)) {
 126         if ($old_index == 'PRIMARY') {
 127             $sql_query .= ' DROP PRIMARY KEY,';
 128         } else {
 129             $sql_query .= ' DROP INDEX ' . PMA_backquote($old_index) .',';
 130         }
 131     } // end if
 132
 133     // Builds the new one
 134     switch ($index_type) {
 135         case 'PRIMARY':
 136             $sql_query .= ' ADD PRIMARY KEY (';
 137             break;
 138         case 'FULLTEXT':
 139             $sql_query .= ' ADD FULLTEXT ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 140             break;
 141         case 'UNIQUE':
 142             $sql_query .= ' ADD UNIQUE ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 143             break;
 144         case 'INDEX':
 145             $sql_query .= ' ADD INDEX ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
 146             break;
 147     } // end switch
 148     $index_fields         = '';
 149     foreach ($column AS $i => $name) {
 150         if ($name != '--ignore--') {
 151             $index_fields .= (empty($index_fields) ? '' : ',')
 152                           . PMA_backquote($name)
 153                           . (empty($sub_part[$i]) ? '' : '(' . $sub_part[$i] . ')');
 154         }
 155     } // end while
 156     if (empty($index_fields)){
 157         PMA_mysqlDie($strNoIndexPartsDefined, '', FALSE, $err_url);
 158     } else {
 159         $sql_query .= $index_fields . ')';
 160     }
 161
 162     $result    = PMA_DBI_query($sql_query);
 163     $message   = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
 164
 165     $active_page = 'tbl_properties_structure.php';
 166     require('./tbl_properties_structure.php');
 167 } // end builds the new index
 168
 169
 170 /**
 171  * Edits an index or defines a new one
 172  */
 173 else if (!defined('PMA_IDX_INCLUDED')
 174          && (isset($index) || isset($create_index))) {
 175
 176     // Prepares the form values
 177     if (!isset($index)) {
 178         $index                                = '';
 179     }
 180     if (!isset($old_index)){
 181         $old_index                            = $index;
 182     }
 183     if (!isset($index_type)) {
 184         $index_type                           = '';
 185     }
 186     if ($old_index == '' || !isset($indexes_info[$old_index])) {
 187         $edited_index_info['Sequences']       = array();
 188         $edited_index_data                    = array();
 189         for ($i = 1; $i <= $idx_num_fields; $i++) {
 190             $edited_index_info['Sequences'][] = $i;
 191             $edited_index_data[$i]            = array('Column_name' => '', 'Sub_part' => '');
 192         } // end for
 193         if ($old_index == ''
 194             && !isset($indexes_info['PRIMARY'])
 195             && ($index_type == '' || $index_type == 'PRIMARY')) {
 196             $old_index                        = 'PRIMARY';
 197         }
 198     } else {
 199         $edited_index_info                    = $indexes_info[$old_index];
 200         $edited_index_data                    = $indexes_data[$old_index];
 201
 202
 203         if ((PMA_MYSQL_INT_VERSION < 40002 && $edited_index_info['Comment'] == 'FULLTEXT')
 204                 || (PMA_MYSQL_INT_VERSION >= 40002 && $edited_index_info['Index_type'] == 'FULLTEXT')) {
 205             $index_type                       = 'FULLTEXT';
 206         } else if ($index == 'PRIMARY') {
 207             $index_type                       = 'PRIMARY';
 208         } else if ($edited_index_info['Non_unique'] == '0') {
 209             $index_type                       = 'UNIQUE';
 210         } else {
 211             $index_type                       = 'INDEX';
 212         }
 213     } // end if... else...
 214
 215     if (isset($add_fields)) {
 216         if (isset($prev_add_fields)) {
 217             $added_fields += $prev_add_fields;
 218         }
 219         $field_cnt = count($edited_index_info['Sequences']) + 1;
 220         for ($i = $field_cnt; $i < ($added_fields + $field_cnt); $i++) {
 221             $edited_index_info['Sequences'][] = $i;
 222             $edited_index_data[$i]            = array('Column_name' => '', 'Sub_part' => '');
 223         } // end for
 224
 225         // Restore entered values
 226         foreach ($column AS $i => $name) {
 227             if ($name != '--ignore--'){
 228                 $edited_index_data[$i+1]['Column_name'] = $name;
 229                 $edited_index_data[$i+1]['Sub_part']    = $sub_part[$i];
 230             }
 231         } // end while
 232     } // end if
 233     // end preparing form values
 234     ?>
 235
 236 <!-- Build index form -->
 237 <form action="./tbl_indexes.php" method="post" name="index_frm"
 238     onsubmit="if (typeof(this.elements['index'].disabled) != 'undefined') {this.elements['index'].disabled = false}">
 239 <table border="0" cellpadding="2" cellspacing="1">
 240     <tr><td class="tblHeaders" colspan="2">
 241     <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 242     <?php
 243     if (isset($create_index)) {
 244         echo '<input type="hidden" name="create_index" value="1" />';
 245     }
 246     echo "\n";
 247     ?>
 248     <input type="hidden" name="old_index" value="<?php echo (isset($create_index) ? '' : htmlspecialchars($old_index)); ?>" />
 249     <?php echo ' ' . (isset($create_index) ? $strCreateIndexTopic : $strModifyIndexTopic) . ' '; ?>
 250     </th></tr>
 251
 252
 253     <tr>
 254         <td align="right"><b><?php echo $strIndexName; ?></b>&nbsp;</th>
 255         <td>
 256             <input type="text" name="index" value="<?php echo htmlspecialchars($index); ?>" size="25" onfocus="this.select()" />
 257         </td>
 258     </tr>
 259     <tr><td align="right"><?php
 260     if ($cfg['ErrorIconic']) {
 261         echo '<img src="' . $pmaThemeImage . 's_warn.png" width="16" height="16" border="0" alt="Attention" />';
 262     }
 263 ?></td><td><?php echo $strPrimaryKeyWarning . "\n"; ?></td></tr>
 264     <tr>
 265         <td align="right"><b><?php echo $strIndexType; ?></b>&nbsp;</td>
 266         <td>
 267             <select name="index_type" onchange="return checkIndexName()">
 268     <?php
 269     echo "\n";
 270     for ($i = 0; $i < $index_types_cnt; $i++) {
 271         if ($index_types[$i] == 'PRIMARY') {
 272             if ($index == 'PRIMARY' || !isset($indexes_info['PRIMARY'])) {
 273                 echo '                '
 274                      . '<option value="PRIMARY"' . (($index_type == 'PRIMARY') ? ' selected="selected"' : '') . '>PRIMARY</option>'
 275                      . "\n";
 276             }
 277         } else {
 278             echo '                '
 279                  . '<option value="' . $index_types[$i] . '"' . (($index_type == $index_types[$i]) ? ' selected="selected"' : '') . '>'. $index_types[$i] . '</option>'
 280                  . "\n";
 281
 282         } // end if... else...
 283     } // end for
 284     ?>
 285             </select>
 286             <?php echo PMA_showMySQLDocu('Reference', 'ALTER_TABLE') . "\n"; ?>
 287         </td>
 288     </tr>
 289
 290     <tr><td valign="top" align="right"><b><?php echo $strFields; ?> :</b>&nbsp;</td><td><table border="<?php echo $cfg['Border']; ?>" cellpadding="2" cellspacing="1">
 291     <tr>
 292         <th><?php echo $strField; ?></th>
 293         <th><?php echo $strSize; ?></th>
 294     </tr>
 295     <?php
 296     foreach ($edited_index_info['Sequences'] AS $row_no => $seq_index) {
 297         $add_type     = (is_array($fields_types) && count($fields_types) == count($fields_names));
 298         $selected     = $edited_index_data[$seq_index]['Column_name'];
 299         if (!empty($edited_index_data[$seq_index]['Sub_part'])) {
 300             $sub_part = ' value="' . $edited_index_data[$seq_index]['Sub_part'] . '"';
 301         } else {
 302             $sub_part = '';
 303         }
 304         $bgcolor      = (($row_no % 2) ? $cfg['BgcolorOne'] : $cfg['BgcolorTwo']);
 305         echo "\n";
 306         ?>
 307     <tr>
 308         <td bgcolor="<?php echo $bgcolor; ?>">
 309             <select name="column[]">
 310                 <option value="--ignore--"<?php if ('--ignore--' == $selected) echo ' selected="selected"'; ?>>
 311                     -- <?php echo $strIgnore; ?> --</option>
 312         <?php
 313         foreach ($fields_names AS $key => $val) {
 314             if ($index_type != 'FULLTEXT'
 315                 || preg_match('@^(varchar|text|tinytext|mediumtext|longtext)@i', $fields_types[$key])) {
 316                 echo "\n" . '                '
 317                      . '<option value="' . htmlspecialchars($val) . '"' . (($val == $selected) ? ' selected="selected"' : '') . '>'
 318                      . htmlspecialchars($val) . (($add_type) ? ' [' . $fields_types[$key] . ']' : '' ) . '</option>' . "\n";
 319             }
 320         } // end while
 321         echo "\n";
 322         ?>
 323             </select>
 324         </td>
 325         <td bgcolor="<?php echo $bgcolor; ?>">
 326             <input type="text" size="5" name="sub_part[]"<?php echo $sub_part; ?> onfocus="this.select()" />
 327         </td>
 328     </tr>
 329         <?php
 330     } // end while
 331
 332     echo "\n";
 333     ?>
 334     <tr><td colspan="2"><?php
 335     echo "\n";
 336     if (isset($added_fields)) {
 337         echo '    <input type="hidden" name="prev_add_fields" value="' . $added_fields . '" />';
 338     }
 339     if (isset($idx_num_fields)) {
 340         echo '    <input type="hidden" name="idx_num_fields" value="' . $idx_num_fields . '" />' . "\n";
 341     }
 342     echo '    ' . "\n";
 343     echo '    ' . sprintf($strAddToIndex,  '<input type="text" name="added_fields" size="2" value="1" onfocus="this.select()" style="vertical-align: middle;" />') . "\n";
 344     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";
 345 ?></td>
 346 </tr>
 347     </table></td></tr>
 348 <tr><td colspan="2" class="tblFooters" align="center">
 349     <input type="submit" name="do_save_data" value="<?php echo $strSave; ?>" /></td></tr>
 350 </table>
 351 </form>
 352 <?php
 353 } else {
 354     /**
 355      * Display indexes
 356      */
 357     ?>
 358     <!-- Indexes form -->
 359     <form action="./tbl_indexes.php" method="post" onsubmit="return checkFormElementInRange(this, 'idx_num_fields', '<?php echo str_replace('\'', '\\\'', $GLOBALS['strInvalidColumnCount']); ?>', 1)">
 360     <table border="0" cellpadding="2" cellspacing="1">
 361     <tr><td class="tblHeaders" colspan="7">
 362         <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 363     <?php
 364     echo "\n";
 365     echo '        ' . $strIndexes . ':' . "\n";
 366     echo '        ' . PMA_showMySQLDocu('MySQL_Optimisation', 'Optimising_Database_Structure') . "\n";
 367 ?></td></tr><?php
 368     $edit_link_text = '';
 369     $drop_link_text = '';
 370
 371     // We need to copy the value or else the == 'both' check will always return true
 372     $propicon = (string)$cfg['PropertiesIconic'];
 373
 374     if ($cfg['PropertiesIconic'] === true || $propicon == 'both') {
 375         $edit_link_text = '<img src="' . $pmaThemeImage . 'b_edit.png" width="16" height="16" hspace="2" border="0" title="' . $strEdit . '" alt="' . $strEdit . '" />';
 376         $drop_link_text = '<img src="' . $pmaThemeImage . 'b_drop.png" width="16" height="16" hspace="2" border="0" title="' . $strDrop . '" alt="' . $strDrop . '" />';
 377     }
 378     if ($cfg['PropertiesIconic'] === false || $propicon == 'both') {
 379         $edit_link_text .= $strEdit;
 380         $drop_link_text .= $strDrop;
 381     }
 382     if ($propicon == 'both') {
 383         $edit_link_text = '<nobr>' . $edit_link_text . '</nobr>';
 384         $drop_link_text = '<nobr>' . $drop_link_text . '</nobr>';
 385     }
 386
 387     if (count($ret_keys) > 0) {
 388         ?>
 389         <!--table border="<?php echo $cfg['Border']; ?>" cellpadding="2" cellspacing="1"-->
 390         <tr>
 391             <th><?php echo $strKeyname; ?></th>
 392             <th><?php echo $strType; ?></th>
 393             <th><?php echo $strCardinality; ?></th>
 394             <th colspan="2"><?php echo $strAction; ?></th>
 395             <th colspan="2"><?php echo $strField; ?></th>
 396         </tr>
 397         <?php
 398         $idx_collection = PMA_show_indexes($table, $indexes, $indexes_info, $indexes_data, true);
 399         echo PMA_check_indexes($idx_collection);
 400     } // end display indexes
 401     else {
 402         // none indexes
 403         echo "\n" . '        <tr><td colspan=7" align="center">' . "\n";
 404         if ($cfg['ErrorIconic']) {
 405             echo '<img src="' . $pmaThemeImage . 's_warn.png" width="16" height="16" border="0" alt="Warning" hspace="2" align="middle" />';
 406         }
 407         echo '        <b>' . $strNoIndex . '</b></td></tr>' . "\n\n";
 408     }
 409
 410     echo '<tr><td colspan="7" class="tblFooters" nowrap="nowrap" align="center">        '
 411        . sprintf($strCreateIndex, '<input type="text" size="2" name="idx_num_fields" value="1" style="vertical-align: middle;" />') . "\n";
 412     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";
 413     echo '</td></tr>    ';
 414 ?>
 415 </table></form>
 416 <?php
 417 } // end display indexes
 418
 419
 420 /**
 421  * Displays the footer
 422  */
 423 echo "\n";
 424
 425 if (!defined('PMA_IDX_INCLUDED')){
 426     require_once('./footer.inc.php');
 427 }
 428 ?>