tbl_relation.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  *
   5  * @version $Id$
   6  */
   7
   8 /**
   9  * Gets some core libraries
  10  */
  11 require_once './libraries/common.inc.php';
  12 require_once './libraries/tbl_common.php';
  13 $url_query .= '&amp;goto=tbl_sql.php';
  14
  15
  16 /**
  17  * Gets tables informations
  18  */
  19 require_once './libraries/tbl_info.inc.php';
  20
  21 // Note: in libraries/tbl_links.inc.php we get and display the table comment.
  22 // For InnoDB, this comment contains the REFER information but any update
  23 // has not been done yet (will be done in tbl_relation.php later).
  24 $avoid_show_comment = TRUE;
  25
  26 /**
  27  * Displays top menu links
  28  */
  29 require_once './libraries/tbl_links.inc.php';
  30
  31 require_once './libraries/relation.lib.php';
  32
  33 $options_array = array('CASCADE' => 'CASCADE', 'SET_NULL' => 'SET NULL', 'NO_ACTION' => 'NO ACTION', 'RESTRICT' => 'RESTRICT');
  34
  35 /**
  36  * Generate dropdown choices
  37  *
  38  * @param   string   Message to display
  39  * @param   string   Name of the <select> field
  40  * @param   array    Choices for dropdown
  41  * @return  string   The existing value (for selected)
  42  *
  43  * @access  public
  44  */
  45 function PMA_generate_dropdown($dropdown_question, $radio_name, $choices, $selected_value)
  46 {
  47     echo $dropdown_question . '&nbsp;&nbsp;';
  48
  49     echo '<select name="' . $radio_name . '">' . "\n";
  50     echo '<option value="nix">--</option>' . "\n";
  51
  52     foreach ($choices AS $one_value => $one_label) {
  53         echo '<option value="' . $one_value . '"';
  54         if ($selected_value == $one_value) {
  55             echo ' selected="selected" ';
  56         }
  57         echo '>' . $one_label . '</option>' . "\n";
  58     }
  59     echo '</select>' . "\n";
  60     echo "\n";
  61 }
  62
  63
  64 /**
  65  * Gets the relation settings
  66  */
  67 $cfgRelation = PMA_getRelationsParam();
  68
  69
  70 /**
  71  * Updates
  72  */
  73
  74 // ensure we are positionned to our current db (since the previous reading
  75 // of relations makes pmadb the current one, maybe depending on the MySQL version)
  76 PMA_DBI_select_db($db);
  77
  78 if ($cfgRelation['relwork']) {
  79     $existrel = PMA_getForeigners($db, $table, '', 'internal');
  80 }
  81 if ($tbl_type=='INNODB') {
  82     $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb');
  83 }
  84 if ($cfgRelation['displaywork']) {
  85     $disp     = PMA_getDisplayField($db, $table);
  86 }
  87
  88 // u p d a t e s   f o r   I n t e r n a l    r e l a t i o n s
  89 if (isset($destination) && $cfgRelation['relwork']) {
  90
  91     foreach ($destination AS $master_field => $foreign_string) {
  92         if ($foreign_string != 'nix') {
  93             list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string);
  94             if (!isset($existrel[$master_field])) {
  95                 $upd_query  = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
  96                             . '(master_db, master_table, master_field, foreign_db, foreign_table, foreign_field)'
  97                             . ' values('
  98                             . '\'' . PMA_sqlAddslashes($db) . '\', '
  99                             . '\'' . PMA_sqlAddslashes($table) . '\', '
 100                             . '\'' . PMA_sqlAddslashes($master_field) . '\', '
 101                             . '\'' . PMA_sqlAddslashes($foreign_db) . '\', '
 102                             . '\'' . PMA_sqlAddslashes($foreign_table) . '\','
 103                             . '\'' . PMA_sqlAddslashes($foreign_field) . '\')';
 104             } elseif ($existrel[$master_field]['foreign_db'] . '.' .$existrel[$master_field]['foreign_table'] . '.' . $existrel[$master_field]['foreign_field'] != $foreign_string) {
 105                 $upd_query  = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation']) . ' SET'
 106                             . ' foreign_db       = \'' . PMA_sqlAddslashes($foreign_db) . '\', '
 107                             . ' foreign_table    = \'' . PMA_sqlAddslashes($foreign_table) . '\', '
 108                             . ' foreign_field    = \'' . PMA_sqlAddslashes($foreign_field) . '\' '
 109                             . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 110                             . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 111                             . ' AND master_field = \'' . PMA_sqlAddslashes($master_field) . '\'';
 112             } // end if... else....
 113         } elseif (isset($existrel[$master_field])) {
 114             $upd_query      = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
 115                             . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 116                             . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 117                             . ' AND master_field = \'' . PMA_sqlAddslashes($master_field) . '\'';
 118         } // end if... else....
 119         if (isset($upd_query)) {
 120             $upd_rs         = PMA_query_as_cu($upd_query);
 121             unset($upd_query);
 122         }
 123     } // end while
 124 } // end if (updates for internal relations)
 125
 126 // u p d a t e s   f o r   I n n o D B
 127 // (for now, one index name only; we keep the definitions if the
 128 // foreign db is not the same)
 129 // I use $sql_query to be able to display directly the query via
 130 // PMA_showMessage()
 131
 132 if (isset($_REQUEST['destination_innodb'])) {
 133     $display_query = '';
 134     $seen_error = false;
 135     foreach ($_REQUEST['destination_innodb'] as $master_field => $foreign_string) {
 136         if ($foreign_string != 'nix') {
 137             list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string);
 138             if (!isset($existrel_innodb[$master_field])) {
 139                 // no key defined for this field
 140
 141                 // The next few lines are repeated below, so they
 142                 // could be put in an include file
 143                 // Note: I tried to enclose the db and table name with
 144                 // backquotes but MySQL 4.0.16 did not like the syntax
 145                 // (for example: `base2`.`table1`)
 146
 147                 $sql_query  = 'ALTER TABLE ' . PMA_backquote($table)
 148                             . ' ADD FOREIGN KEY ('
 149                             . PMA_backquote($master_field) . ')'
 150                             . ' REFERENCES '
 151                             . PMA_backquote($foreign_db) . '.'
 152                             . PMA_backquote($foreign_table) . '('
 153                             . PMA_backquote($foreign_field) . ')';
 154
 155                 if ($_REQUEST['on_delete'][$master_field] != 'nix') {
 156                     $sql_query   .= ' ON DELETE ' . $options_array[$_REQUEST['on_delete'][$master_field]];
 157                 }
 158                 if ($_REQUEST['on_update'][$master_field] != 'nix') {
 159                     $sql_query   .= ' ON UPDATE ' . $options_array[$_REQUEST['on_update'][$master_field]];
 160                 }
 161                 $sql_query .= ';';
 162                 $display_query .= $sql_query . "\n";
 163                 // end repeated code
 164
 165             } elseif (($existrel_innodb[$master_field]['foreign_db'] . '.' .$existrel_innodb[$master_field]['foreign_table'] . '.' . $existrel_innodb[$master_field]['foreign_field'] != $foreign_string)
 166               || ($_REQUEST['on_delete'][$master_field] != (!empty($existrel_innodb[$master_field]['on_delete']) ? $existrel_innodb[$master_field]['on_delete'] : ''))
 167               || ($_REQUEST['on_update'][$master_field] != (!empty($existrel_innodb[$master_field]['on_update']) ? $existrel_innodb[$master_field]['on_update'] : ''))
 168                    ) {
 169                 // another foreign key is already defined for this field
 170                 // or
 171                 // an option has been changed for ON DELETE or ON UPDATE
 172
 173                 // remove existing key
 174                 $sql_query  = 'ALTER TABLE ' . PMA_backquote($table)
 175                             . ' DROP FOREIGN KEY '
 176                             . PMA_backquote($existrel_innodb[$master_field]['constraint']) . ';';
 177
 178                 // I tried to send both in one query but it failed
 179                 $upd_rs     = PMA_DBI_query($sql_query);
 180                 $display_query .= $sql_query . "\n";
 181
 182                 // add another
 183                 $sql_query  = 'ALTER TABLE ' . PMA_backquote($table)
 184                             . ' ADD FOREIGN KEY ('
 185                             . PMA_backquote($master_field) . ')'
 186                             . ' REFERENCES '
 187                             . PMA_backquote($foreign_db) . '.'
 188                             . PMA_backquote($foreign_table) . '('
 189                             . PMA_backquote($foreign_field) . ')';
 190
 191                 if ($_REQUEST['on_delete'][$master_field] != 'nix') {
 192                     $sql_query   .= ' ON DELETE '
 193                         . $options_array[$_REQUEST['on_delete'][$master_field]];
 194                 }
 195                 if ($_REQUEST['on_update'][$master_field] != 'nix') {
 196                     $sql_query   .= ' ON UPDATE '
 197                         . $options_array[$_REQUEST['on_update'][$master_field]];
 198                 }
 199                 $sql_query .= ';';
 200                 $display_query .= $sql_query . "\n";
 201
 202             } // end if... else....
 203         } elseif (isset($existrel_innodb[$master_field])) {
 204             $sql_query  = 'ALTER TABLE ' . PMA_backquote($table)
 205                     . ' DROP FOREIGN KEY '
 206                     . PMA_backquote($existrel_innodb[$master_field]['constraint']);
 207             $sql_query .= ';';
 208             $display_query .= $sql_query . "\n";
 209         } // end if... else....
 210
 211         if (! empty($sql_query)) {
 212             $upd_rs    = PMA_DBI_try_query($sql_query);
 213             $tmp_error = PMA_DBI_getError();
 214             if (! empty($tmp_error)) {
 215                 $seen_error = true;
 216             }
 217             if (substr($tmp_error, 1, 4) == '1216'
 218             ||  substr($tmp_error, 1, 4) == '1452') {
 219                 PMA_mysqlDie($tmp_error, $sql_query, FALSE, '', FALSE);
 220                 echo PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n";
 221             }
 222             if (substr($tmp_error, 1, 4) == '1005') {
 223                 $message = PMA_Message::warning('strForeignKeyError');
 224                 $message->addParam($master_field);
 225                 $message->display();
 226                 echo PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n";
 227             }
 228             unset($tmp_error);
 229             $sql_query = '';
 230         }
 231     } // end foreach
 232     if (!empty($display_query)) {
 233         if ($seen_error) {
 234             PMA_showMessage($strError, null, 'error');
 235         } else {
 236             PMA_showMessage($strSuccess, null, 'success');
 237         }
 238     }
 239 } // end if isset($destination_innodb)
 240
 241
 242 // U p d a t e s   f o r   d i s p l a y   f i e l d
 243
 244 if ($cfgRelation['displaywork']
 245     && isset($display_field)) {
 246
 247     if ($disp) {
 248         if ($display_field != '') {
 249             $upd_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
 250                        . ' SET display_field = \'' . PMA_sqlAddslashes($display_field) . '\''
 251                        . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 252                        . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
 253         } else {
 254             $upd_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
 255                        . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 256                        . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
 257         }
 258     } elseif ($display_field != '') {
 259         $upd_query = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
 260                    . '(db_name, table_name, display_field) '
 261                    . ' VALUES('
 262                    . '\'' . PMA_sqlAddslashes($db) . '\','
 263                    . '\'' . PMA_sqlAddslashes($table) . '\','
 264                    . '\'' . PMA_sqlAddslashes($display_field) . '\')';
 265     }
 266
 267     if (isset($upd_query)) {
 268         $upd_rs    = PMA_query_as_cu($upd_query);
 269     }
 270 } // end if
 271
 272 // If we did an update, refresh our data
 273 if (isset($destination) && $cfgRelation['relwork']) {
 274     $existrel = PMA_getForeigners($db, $table, '', 'internal');
 275 }
 276 if (isset($destination_innodb) && $tbl_type=='INNODB') {
 277     $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb');
 278 }
 279
 280 if ($cfgRelation['displaywork']) {
 281     $disp     = PMA_getDisplayField($db, $table);
 282 }
 283
 284
 285 /**
 286  * Dialog
 287  */
 288
 289 // common form
 290 echo '<form method="post" action="tbl_relation.php">' . "\n";
 291 echo PMA_generate_common_hidden_inputs($db, $table);
 292
 293
 294 // relations
 295
 296 if ($cfgRelation['relwork'] || $tbl_type=='INNODB') {
 297     // To choose relations we first need all tables names in current db
 298     // and if PMA version permits and the main table is innodb,
 299     // we use SHOW TABLE STATUS because we need to find other InnoDB tables
 300
 301     if ($tbl_type=='INNODB') {
 302         $tab_query           = 'SHOW TABLE STATUS FROM ' . PMA_backquote($db);
 303     // [0] of the row is the name
 304     // [1] is the type
 305     } else {
 306         $tab_query           = 'SHOW TABLES FROM ' . PMA_backquote($db);
 307     }
 308     // [0] of the row is the name
 309
 310     $tab_rs              = PMA_DBI_query($tab_query, null, PMA_DBI_QUERY_STORE);
 311     $selectboxall['nix'] = '--';
 312     $selectboxall_innodb['nix'] = '--';
 313
 314     while ($curr_table = @PMA_DBI_fetch_row($tab_rs)) {
 315         if (($curr_table[0] != $table) && ($curr_table[0] != $cfg['Server']['relation'])) {
 316             PMA_DBI_select_db($db);
 317
 318             // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
 319             $fi_rs    = PMA_DBI_query('SHOW KEYS FROM ' . PMA_backquote($curr_table[0]) . ';', null, PMA_DBI_QUERY_STORE);
 320             if ($fi_rs && PMA_DBI_num_rows($fi_rs) > 0) {
 321                 $seen_a_primary = FALSE;
 322                 while ($curr_field = PMA_DBI_fetch_assoc($fi_rs)) {
 323                     if (isset($curr_field['Key_name']) && $curr_field['Key_name'] == 'PRIMARY') {
 324                         $seen_a_primary = TRUE;
 325                         $field_full = $db . '.' .$curr_field['Table'] . '.' . $curr_field['Column_name'];
 326                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 327                         $selectboxall[$field_full] =  $field_v;
 328                         // there could be more than one segment of the primary
 329                         // so do not break
 330
 331                         // Please watch here, tbl_type is INNODB but the
 332                         // resulting value of SHOW KEYS is InnoDB
 333
 334                         if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 335                             $selectboxall_innodb[$field_full] =  $field_v;
 336                         }
 337
 338                     } elseif (isset($curr_field['Non_unique']) && $curr_field['Non_unique'] == 0 && $seen_a_primary==FALSE) {
 339                         // if we can't find a primary key we take any unique one
 340                         // (in fact, we show all segments of unique keys
 341                         //  and all unique keys)
 342                         $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 343                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 344                         $selectboxall[$field_full] =  $field_v;
 345                         if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 346                             $selectboxall_innodb[$field_full] =  $field_v;
 347                         }
 348
 349                     // for InnoDB, any index is allowed
 350                     } elseif ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 351                         $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 352                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 353                         $selectboxall_innodb[$field_full] =  $field_v;
 354
 355                     } // end if
 356                 } // end while over keys
 357             } // end if (PMA_DBI_num_rows)
 358             PMA_DBI_free_result($fi_rs);
 359             unset($fi_rs);
 360         // Mike Beck - 24.07.02: i've been asked to add all keys of the
 361         // current table (see bug report #574851)
 362         } elseif ($curr_table[0] == $table) {
 363             PMA_DBI_select_db($db);
 364
 365             // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
 366             $fi_rs    = PMA_DBI_query('SHOW KEYS FROM ' . PMA_backquote($curr_table[0]) . ';', null, PMA_DBI_QUERY_STORE);
 367             if ($fi_rs && PMA_DBI_num_rows($fi_rs) > 0) {
 368                 while ($curr_field = PMA_DBI_fetch_assoc($fi_rs)) {
 369                     $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 370                     $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 371                     $selectboxall[$field_full] =  $field_v;
 372                     if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 373                         $selectboxall_innodb[$field_full] =  $field_v;
 374                     }
 375                 } // end while
 376             } // end if (PMA_DBI_num_rows)
 377             PMA_DBI_free_result($fi_rs);
 378             unset($fi_rs);
 379         }
 380     } // end while over tables
 381
 382 } // end if
 383
 384
 385 // Now find out the columns of our $table
 386 // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
 387 $col_rs    = PMA_DBI_try_query('SHOW COLUMNS FROM ' . PMA_backquote($table) . ';', null, PMA_DBI_QUERY_STORE);
 388
 389 if ($col_rs && PMA_DBI_num_rows($col_rs) > 0) {
 390     while ($row = PMA_DBI_fetch_assoc($col_rs)) {
 391         $save_row[] = $row;
 392     }
 393     $saved_row_cnt  = count($save_row);
 394     ?>
 395     <fieldset>
 396     <legend><?php echo $strLinksTo; ?></legend>
 397
 398     <table>
 399     <tr><th></th>
 400     <?php
 401     if ($cfgRelation['relwork']) {
 402         echo '<th>' . $strInternalRelations;
 403         if ($tbl_type=='INNODB') {
 404             echo PMA_showHint($strInternalNotNecessary);
 405         }
 406         echo '</th>';
 407     }
 408     if ($tbl_type == 'INNODB') {
 409         echo '<th colspan="2">InnoDB';
 410         echo '</th>';
 411     }
 412     ?>
 413     </tr>
 414     <?php
 415     $odd_row = true;
 416     for ($i = 0; $i < $saved_row_cnt; $i++) {
 417         $myfield = $save_row[$i]['Field'];
 418         ?>
 419     <tr class="<?php echo $odd_row ? 'odd' : 'even'; $odd_row = ! $odd_row; ?>">
 420         <td align="center">
 421             <b><?php echo $save_row[$i]['Field']; ?></b></td>
 422         <?php
 423         if ($cfgRelation['relwork']) {
 424             ?>
 425         <td><select name="destination[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]">
 426             <?php
 427             // PMA internal relations
 428             if (isset($existrel[$myfield])) {
 429                 $foreign_field    = $existrel[$myfield]['foreign_db'] . '.'
 430                          . $existrel[$myfield]['foreign_table'] . '.'
 431                          . $existrel[$myfield]['foreign_field'];
 432             } else {
 433                 $foreign_field    = FALSE;
 434             }
 435             $seen_key = FALSE;
 436             foreach ($selectboxall AS $key => $value) {
 437                 echo '                '
 438                      . '<option value="' . htmlspecialchars($key) . '"';
 439                 if ($foreign_field && $key == $foreign_field) {
 440                     echo ' selected="selected"';
 441                     $seen_key = TRUE;
 442                 }
 443                 echo '>' . $value . '</option>'. "\n";
 444             } // end while
 445
 446             // if the link defined in relationtable points to a foreign field
 447             // that is not a key in the foreign table, we show the link
 448             // (will not be shown with an arrow)
 449             if ($foreign_field && !$seen_key) {
 450                 echo '                '
 451                     .'<option value="' . htmlspecialchars($foreign_field) . '"'
 452                     .' selected="selected"'
 453                     .'>' . $foreign_field . '</option>'. "\n";
 454             }
 455             ?>
 456             </select>
 457         </td>
 458             <?php
 459         } // end if (internal relations)
 460
 461         if ($tbl_type=='INNODB') {
 462             echo '<td>';
 463             if (!empty($save_row[$i]['Key'])) {
 464                 ?>
 465             <span class="formelement">
 466             <select name="destination_innodb[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]">
 467                 <?php
 468                 if (isset($existrel_innodb[$myfield])) {
 469                     $foreign_field    = $existrel_innodb[$myfield]['foreign_db'] . '.'
 470                              . $existrel_innodb[$myfield]['foreign_table'] . '.'
 471                              . $existrel_innodb[$myfield]['foreign_field'];
 472                 } else {
 473                     $foreign_field    = FALSE;
 474                 }
 475
 476                 $found_foreign_field = FALSE;
 477                 foreach ($selectboxall_innodb AS $key => $value) {
 478                     echo '                '
 479                          . '<option value="' . htmlspecialchars($key) . '"';
 480                     if ($foreign_field && $key == $foreign_field) {
 481                         echo ' selected="selected"';
 482                         $found_foreign_field = TRUE;
 483                     }
 484                     echo '>' . $value . '</option>'. "\n";
 485                 } // end while
 486
 487                 // we did not find the foreign field in the tables of current db,
 488                 // must be defined in another db so show it to avoid erasing it
 489                 if (!$found_foreign_field && $foreign_field) {
 490                     echo '                '
 491                          . '<option value="' . htmlspecialchars($foreign_field) . '"';
 492                     echo ' selected="selected"';
 493                     echo '>' . $foreign_field . '</option>' . "\n";
 494                 }
 495
 496                 ?>
 497             </select>
 498             </span>
 499             <span class="formelement">
 500                 <?php
 501                 PMA_generate_dropdown('ON DELETE',
 502                     'on_delete[' . htmlspecialchars($save_row[$i]['Field']) . ']',
 503                     $options_array,
 504                     isset($existrel_innodb[$myfield]['on_delete']) ? $existrel_innodb[$myfield]['on_delete']: '');
 505
 506                 echo '</span>' . "\n"
 507                     .'<span class="formelement">' . "\n";
 508
 509                 PMA_generate_dropdown('ON UPDATE',
 510                     'on_update[' . htmlspecialchars($save_row[$i]['Field']) . ']',
 511                     $options_array,
 512                     isset($existrel_innodb[$myfield]['on_update']) ? $existrel_innodb[$myfield]['on_update']: '');
 513                 echo '</span>' . "\n";
 514             } else {
 515                 echo $strNoIndex;
 516             } // end if (a key exists)
 517             echo '        </td>';
 518         } // end if (InnoDB)
 519         ?>
 520     </tr>
 521         <?php
 522     } // end for
 523
 524     echo '    </table>' . "\n";
 525     echo '</fieldset>' . "\n";
 526
 527     if ($cfgRelation['displaywork']) {
 528         // Get "display_field" infos
 529         $disp = PMA_getDisplayField($db, $table);
 530         ?>
 531     <fieldset>
 532         <label><?php echo $strChangeDisplay . ': '; ?></label>
 533         <select name="display_field" style="vertical-align: middle">
 534             <option value="">---</option>
 535         <?php
 536         foreach ($save_row AS $row) {
 537             echo '            <option value="' . htmlspecialchars($row['Field']) . '"';
 538             if (isset($disp) && $row['Field'] == $disp) {
 539                 echo ' selected="selected"';
 540             }
 541             echo '>' . htmlspecialchars($row['Field']) . '</option>'. "\n";
 542         } // end while
 543         ?>
 544         </select>
 545     </fieldset>
 546         <?php
 547     } // end if (displayworks)
 548     ?>
 549     <fieldset class="tblFooters">
 550         <input type="submit" value="<?php echo $strSave; ?>" />
 551     </fieldset>
 552 </form>
 553     <?php
 554 } // end if (we have columns in this table)
 555
 556 /**
 557  * Displays the footer
 558  */
 559 require_once './libraries/footer.inc.php';
 560 ?>