tbl_relation.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_common.php');
  10 $url_query .= '&amp;goto=tbl_sql.php';
  11
  12
  13 /**
  14  * Gets tables informations
  15  */
  16 require_once('./libraries/tbl_info.inc.php');
  17
  18 // Note: in libraries/tbl_links.inc.php we get and display the table comment.
  19 // For InnoDB, this comment contains the REFER information but any update
  20 // has not been done yet (will be done in tbl_relation.php later).
  21 $avoid_show_comment = TRUE;
  22
  23 /**
  24  * Displays top menu links
  25  */
  26 require_once('./libraries/tbl_links.inc.php');
  27
  28 require_once('./libraries/relation.lib.php');
  29
  30 $options_array = array('CASCADE' => 'CASCADE', 'SET_NULL' => 'SET NULL', 'NO_ACTION' => 'NO ACTION', 'RESTRICT' => 'RESTRICT');
  31
  32 /**
  33  * Generate dropdown choices
  34  *
  35  * @param   string   Message to display
  36  * @param   string   Name of the <select> field
  37  * @param   array    Choices for dropdown
  38  * @return  string   The existing value (for selected)
  39  *
  40  * @access  public
  41  */
  42 function PMA_generate_dropdown($dropdown_question, $radio_name, $choices, $selected_value)
  43 {
  44     echo $dropdown_question . '&nbsp;&nbsp;';
  45
  46     echo '<select name="' . $radio_name . '">' . "\n";
  47     echo '<option value="nix">--</option>' . "\n";
  48
  49     foreach ($choices AS $one_value => $one_label) {
  50         echo '<option value="' . $one_value . '"';
  51         if ($selected_value == $one_value) {
  52             echo ' selected="selected" ';
  53         }
  54         echo '>' . $one_label . '</option>' . "\n";
  55     }
  56     echo '</select>' . "\n";
  57     echo "\n";
  58 }
  59
  60
  61 /**
  62  * Gets the relation settings
  63  */
  64 $cfgRelation = PMA_getRelationsParam();
  65
  66
  67 /**
  68  * Updates
  69  */
  70
  71 // ensure we are positionned to our current db (since the previous reading
  72 // of relations makes pmadb the current one, maybe depending on the MySQL version)
  73 PMA_DBI_select_db($db);
  74
  75 if ($cfgRelation['relwork']) {
  76     $existrel = PMA_getForeigners($db, $table, '', 'internal');
  77 }
  78 if ($tbl_type=='INNODB') {
  79     $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb');
  80 }
  81 if ($cfgRelation['displaywork']) {
  82     $disp     = PMA_getDisplayField($db, $table);
  83 }
  84
  85 // u p d a t e s   f o r   I n t e r n a l    r e l a t i o n s
  86 if (isset($destination) && $cfgRelation['relwork']) {
  87
  88     foreach ($destination AS $master_field => $foreign_string) {
  89         if ($foreign_string != 'nix') {
  90             list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string);
  91             if (!isset($existrel[$master_field])) {
  92                 $upd_query  = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
  93                             . '(master_db, master_table, master_field, foreign_db, foreign_table, foreign_field)'
  94                             . ' values('
  95                             . '\'' . PMA_sqlAddslashes($db) . '\', '
  96                             . '\'' . PMA_sqlAddslashes($table) . '\', '
  97                             . '\'' . PMA_sqlAddslashes($master_field) . '\', '
  98                             . '\'' . PMA_sqlAddslashes($foreign_db) . '\', '
  99                             . '\'' . PMA_sqlAddslashes($foreign_table) . '\','
 100                             . '\'' . PMA_sqlAddslashes($foreign_field) . '\')';
 101             } elseif ($existrel[$master_field]['foreign_db'] . '.' .$existrel[$master_field]['foreign_table'] . '.' . $existrel[$master_field]['foreign_field'] != $foreign_string) {
 102                 $upd_query  = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation']) . ' SET'
 103                             . ' foreign_db       = \'' . PMA_sqlAddslashes($foreign_db) . '\', '
 104                             . ' foreign_table    = \'' . PMA_sqlAddslashes($foreign_table) . '\', '
 105                             . ' foreign_field    = \'' . PMA_sqlAddslashes($foreign_field) . '\' '
 106                             . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 107                             . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 108                             . ' AND master_field = \'' . PMA_sqlAddslashes($master_field) . '\'';
 109             } // end if... else....
 110         } elseif (isset($existrel[$master_field])) {
 111             $upd_query      = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
 112                             . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 113                             . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 114                             . ' AND master_field = \'' . PMA_sqlAddslashes($master_field) . '\'';
 115         } // end if... else....
 116         if (isset($upd_query)) {
 117             $upd_rs         = PMA_query_as_cu($upd_query);
 118             unset($upd_query);
 119         }
 120     } // end while
 121 } // end if (updates for internal relations)
 122
 123 // u p d a t e s   f o r   I n n o D B
 124 // ( for now, one index name only; we keep the definitions if the
 125 // foreign db is not the same)
 126 // I use $sql_query to be able to display directly the query via
 127 // PMA_showMessage()
 128
 129 if (isset($_REQUEST['destination_innodb'])) {
 130     $display_query = '';
 131     $seen_error = false;
 132     foreach ($_REQUEST['destination_innodb'] as $master_field => $foreign_string) {
 133         if ($foreign_string != 'nix') {
 134             list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string);
 135             if (!isset($existrel_innodb[$master_field])) {
 136                 // no key defined for this field
 137
 138                 // The next few lines are repeated below, so they
 139                 // could be put in an include file
 140                 // Note: I tried to enclose the db and table name with
 141                 // backquotes but MySQL 4.0.16 did not like the syntax
 142                 // (for example: `base2`.`table1` )
 143
 144                 $sql_query  = 'ALTER TABLE ' . PMA_backquote($table)
 145                             . ' ADD FOREIGN KEY ('
 146                             . PMA_backquote($master_field) . ')'
 147                             . ' REFERENCES '
 148                             . PMA_backquote($foreign_db) . '.'
 149                             . PMA_backquote($foreign_table) . '('
 150                             . PMA_backquote($foreign_field) . ')';
 151
 152                 if ($_REQUEST['on_delete'][$master_field] != 'nix') {
 153                     $sql_query   .= ' ON DELETE ' . $options_array[$_REQUEST['on_delete'][$master_field]];
 154                 }
 155                 if ($_REQUEST['on_update'][$master_field] != 'nix') {
 156                     $sql_query   .= ' ON UPDATE ' . $options_array[$_REQUEST['on_update'][$master_field]];
 157                 }
 158                 $sql_query .= ';';
 159                 $display_query .= $sql_query . "\n";
 160                 // end repeated code
 161
 162             } elseif (($existrel_innodb[$master_field]['foreign_db'] . '.' .$existrel_innodb[$master_field]['foreign_table'] . '.' . $existrel_innodb[$master_field]['foreign_field'] != $foreign_string)
 163               || ( $_REQUEST['on_delete'][$master_field] != (!empty($existrel_innodb[$master_field]['on_delete']) ? $existrel_innodb[$master_field]['on_delete'] : ''))
 164               || ( $_REQUEST['on_update'][$master_field] != (!empty($existrel_innodb[$master_field]['on_update']) ? $existrel_innodb[$master_field]['on_update'] : ''))
 165                    ) {
 166                 // another foreign key is already defined for this field
 167                 // or
 168                 // an option has been changed for ON DELETE or ON UPDATE
 169
 170                 // remove existing key
 171                 if (PMA_MYSQL_INT_VERSION >= 40013) {
 172                     $sql_query  = 'ALTER TABLE ' . PMA_backquote($table)
 173                                 . ' DROP FOREIGN KEY '
 174                                 . PMA_backquote($existrel_innodb[$master_field]['constraint']) . ';';
 175
 176                     // I tried to send both in one query but it failed
 177                     $upd_rs     = PMA_DBI_query($sql_query);
 178                     $display_query .= $sql_query . "\n";
 179                 }
 180
 181                 // add another
 182                 $sql_query  = 'ALTER TABLE ' . PMA_backquote($table)
 183                             . ' ADD FOREIGN KEY ('
 184                             . PMA_backquote($master_field) . ')'
 185                             . ' REFERENCES '
 186                             . PMA_backquote($foreign_db) . '.'
 187                             . PMA_backquote($foreign_table) . '('
 188                             . PMA_backquote($foreign_field) . ')';
 189
 190                 if ($_REQUEST['on_delete'][$master_field] != 'nix') {
 191                     $sql_query   .= ' ON DELETE '
 192                         . $options_array[$_REQUEST['on_delete'][$master_field]];
 193                 }
 194                 if ($_REQUEST['on_update'][$master_field] != 'nix') {
 195                     $sql_query   .= ' ON UPDATE '
 196                         . $options_array[$_REQUEST['on_update'][$master_field]];
 197                 }
 198                 $sql_query .= ';';
 199                 $display_query .= $sql_query . "\n";
 200
 201             } // end if... else....
 202         } elseif (isset($existrel_innodb[$master_field])) {
 203             if (PMA_MYSQL_INT_VERSION >= 40013) {
 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 .= $sql_query . "\n";
 209             }
 210         } // end if... else....
 211
 212         if (isset($sql_query)) {
 213             $upd_rs    = PMA_DBI_try_query($sql_query);
 214             $tmp_error = PMA_DBI_getError();
 215             if (! empty($tmp_error)) {
 216                 $seen_error = true;
 217             }
 218             if (substr($tmp_error, 1, 4) == '1216'
 219             ||  substr($tmp_error, 1, 4) == '1452') {
 220                 PMA_mysqlDie($tmp_error, $sql_query, FALSE, '', FALSE);
 221                 echo PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n";
 222             }
 223             if (substr($tmp_error, 1, 4) == '1005') {
 224                 echo '<p class="warning">' . $strForeignKeyError . ' : ' . $master_field
 225                     .'</p>'  . PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n";
 226             }
 227             unset($sql_query, $tmp_error);
 228         }
 229     } // end foreach
 230     if (!empty($display_query)) {
 231         if ($seen_error) {
 232             PMA_showMessage($strError);
 233         } else {
 234             PMA_showMessage($strSuccess);
 235         }
 236     }
 237 } // end if isset($destination_innodb)
 238
 239
 240 // U p d a t e s   f o r   d i s p l a y   f i e l d
 241
 242 if ($cfgRelation['displaywork']
 243     && isset($display_field)) {
 244
 245     if ($disp) {
 246         if ($display_field != '') {
 247             $upd_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
 248                        . ' SET display_field = \'' . PMA_sqlAddslashes($display_field) . '\''
 249                        . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 250                        . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
 251         } else {
 252             $upd_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
 253                        . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 254                        . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
 255         }
 256     } elseif ($display_field != '') {
 257         $upd_query = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
 258                    . '(db_name, table_name, display_field) '
 259                    . ' VALUES('
 260                    . '\'' . PMA_sqlAddslashes($db) . '\','
 261                    . '\'' . PMA_sqlAddslashes($table) . '\','
 262                    . '\'' . PMA_sqlAddslashes($display_field) . '\')';
 263     }
 264
 265     if (isset($upd_query)) {
 266         $upd_rs    = PMA_query_as_cu($upd_query);
 267     }
 268 } // end if
 269
 270 // If we did an update, refresh our data
 271 if (isset($destination) && $cfgRelation['relwork']) {
 272     $existrel = PMA_getForeigners($db, $table, '', 'internal');
 273 }
 274 if (isset($destination_innodb) && $tbl_type=='INNODB') {
 275     $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb');
 276 }
 277
 278 if ($cfgRelation['displaywork']) {
 279     $disp     = PMA_getDisplayField($db, $table);
 280 }
 281
 282
 283 /**
 284  * Dialog
 285  */
 286
 287 // common form
 288 echo '<form method="post" action="tbl_relation.php">' . "\n";
 289 echo PMA_generate_common_hidden_inputs($db, $table);
 290
 291
 292 // relations
 293
 294 if ($cfgRelation['relwork'] || $tbl_type=='INNODB') {
 295     // To choose relations we first need all tables names in current db
 296     // and if PMA version permits and the main table is innodb,
 297     // we use SHOW TABLE STATUS because we need to find other InnoDB tables
 298
 299     if ($tbl_type=='INNODB') {
 300         $tab_query           = 'SHOW TABLE STATUS FROM ' . PMA_backquote($db);
 301     // [0] of the row is the name
 302     // [1] is the type
 303     } else {
 304         $tab_query           = 'SHOW TABLES FROM ' . PMA_backquote($db);
 305     }
 306     // [0] of the row is the name
 307
 308     $tab_rs              = PMA_DBI_query($tab_query, null, PMA_DBI_QUERY_STORE);
 309     $selectboxall['nix'] = '--';
 310     $selectboxall_innodb['nix'] = '--';
 311
 312     while ($curr_table = @PMA_DBI_fetch_row($tab_rs)) {
 313         if (($curr_table[0] != $table) && ($curr_table[0] != $cfg['Server']['relation'])) {
 314             PMA_DBI_select_db($db);
 315
 316             // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
 317             $fi_rs    = PMA_DBI_query('SHOW KEYS FROM ' . PMA_backquote($curr_table[0]) . ';', null, PMA_DBI_QUERY_STORE);
 318             if ($fi_rs && PMA_DBI_num_rows($fi_rs) > 0) {
 319                 $seen_a_primary = FALSE;
 320                 while ($curr_field = PMA_DBI_fetch_assoc($fi_rs)) {
 321                     if (isset($curr_field['Key_name']) && $curr_field['Key_name'] == 'PRIMARY') {
 322                         $seen_a_primary = TRUE;
 323                         $field_full = $db . '.' .$curr_field['Table'] . '.' . $curr_field['Column_name'];
 324                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 325                         $selectboxall[$field_full] =  $field_v;
 326                         // there could be more than one segment of the primary
 327                         // so do not break
 328
 329                         // Please watch here, tbl_type is INNODB but the
 330                         // resulting value of SHOW KEYS is InnoDB
 331
 332                         if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 333                             $selectboxall_innodb[$field_full] =  $field_v;
 334                         }
 335
 336                     } elseif (isset($curr_field['Non_unique']) && $curr_field['Non_unique'] == 0 && $seen_a_primary==FALSE) {
 337                         // if we can't find a primary key we take any unique one
 338                         // (in fact, we show all segments of unique keys
 339                         //  and all unique keys)
 340                         $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 341                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 342                         $selectboxall[$field_full] =  $field_v;
 343                         if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 344                             $selectboxall_innodb[$field_full] =  $field_v;
 345                         }
 346
 347                     // for InnoDB, any index is allowed
 348                     } elseif ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 349                         $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 350                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 351                         $selectboxall_innodb[$field_full] =  $field_v;
 352
 353                     } // end if
 354                 } // end while over keys
 355             } // end if (PMA_DBI_num_rows)
 356             PMA_DBI_free_result($fi_rs);
 357             unset($fi_rs);
 358         // Mike Beck - 24.07.02: i've been asked to add all keys of the
 359         // current table (see bug report #574851)
 360         } elseif ($curr_table[0] == $table) {
 361             PMA_DBI_select_db($db);
 362
 363             // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
 364             $fi_rs    = PMA_DBI_query('SHOW KEYS FROM ' . PMA_backquote($curr_table[0]) . ';', null, PMA_DBI_QUERY_STORE);
 365             if ($fi_rs && PMA_DBI_num_rows($fi_rs) > 0) {
 366                 while ($curr_field = PMA_DBI_fetch_assoc($fi_rs)) {
 367                     $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 368                     $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 369                     $selectboxall[$field_full] =  $field_v;
 370                     if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 371                         $selectboxall_innodb[$field_full] =  $field_v;
 372                     }
 373                 } // end while
 374             } // end if (PMA_DBI_num_rows)
 375             PMA_DBI_free_result($fi_rs);
 376             unset($fi_rs);
 377         }
 378     } // end while over tables
 379
 380 } // end if
 381
 382
 383 // Now find out the columns of our $table
 384 // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
 385 $col_rs    = PMA_DBI_try_query('SHOW COLUMNS FROM ' . PMA_backquote($table) . ';', null, PMA_DBI_QUERY_STORE);
 386
 387 if ($col_rs && PMA_DBI_num_rows($col_rs) > 0) {
 388     while ($row = PMA_DBI_fetch_assoc($col_rs)) {
 389         $save_row[] = $row;
 390     }
 391     $saved_row_cnt  = count($save_row);
 392     ?>
 393     <fieldset>
 394     <legend><?php echo $strLinksTo; ?></legend>
 395
 396     <table>
 397     <tr><th></th>
 398     <?php
 399     if ( $cfgRelation['relwork'] ) {
 400         echo '<th>' . $strInternalRelations;
 401         if ($tbl_type=='INNODB') {
 402             echo PMA_showHint( $strInternalNotNecessary );
 403         }
 404         echo '</th>';
 405     }
 406     if ( $tbl_type=='INNODB' ) {
 407         echo '<th colspan="2">InnoDB';
 408         if (PMA_MYSQL_INT_VERSION < 40013) {
 409             echo '(**)';
 410         }
 411         echo '</th>';
 412     }
 413     ?>
 414     </tr>
 415     <?php
 416     $odd_row = true;
 417     for ($i = 0; $i < $saved_row_cnt; $i++) {
 418         $myfield = $save_row[$i]['Field'];
 419         ?>
 420     <tr class="<?php echo $odd_row ? 'odd' : 'even'; $odd_row = ! $odd_row; ?>">
 421         <td align="center">
 422             <b><?php echo $save_row[$i]['Field']; ?></b></td>
 423         <?php
 424         if ($cfgRelation['relwork']) {
 425             ?>
 426         <td><select name="destination[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]">
 427             <?php
 428             // PMA internal relations
 429             if (isset($existrel[$myfield])) {
 430                 $foreign_field    = $existrel[$myfield]['foreign_db'] . '.'
 431                          . $existrel[$myfield]['foreign_table'] . '.'
 432                          . $existrel[$myfield]['foreign_field'];
 433             } else {
 434                 $foreign_field    = FALSE;
 435             }
 436             $seen_key = FALSE;
 437             foreach ($selectboxall AS $key => $value) {
 438                 echo '                '
 439                      . '<option value="' . htmlspecialchars($key) . '"';
 440                 if ($foreign_field && $key == $foreign_field) {
 441                     echo ' selected="selected"';
 442                     $seen_key = TRUE;
 443                 }
 444                 echo '>' . $value . '</option>'. "\n";
 445             } // end while
 446
 447             // if the link defined in relationtable points to a foreign field
 448             // that is not a key in the foreign table, we show the link
 449             // (will not be shown with an arrow)
 450             if ($foreign_field && !$seen_key) {
 451                 echo '                '
 452                     .'<option value="' . htmlspecialchars($foreign_field) . '"'
 453                     .' selected="selected"'
 454                     .'>' . $foreign_field . '</option>'. "\n";
 455             }
 456             ?>
 457             </select>
 458         </td>
 459             <?php
 460         } // end if (internal relations)
 461
 462         if ($tbl_type=='INNODB') {
 463             echo '<td>';
 464             if (!empty($save_row[$i]['Key'])) {
 465                 ?>
 466             <span class="formelement">
 467             <select name="destination_innodb[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]">
 468                 <?php
 469                 if (isset($existrel_innodb[$myfield])) {
 470                     $foreign_field    = $existrel_innodb[$myfield]['foreign_db'] . '.'
 471                              . $existrel_innodb[$myfield]['foreign_table'] . '.'
 472                              . $existrel_innodb[$myfield]['foreign_field'];
 473                 } else {
 474                     $foreign_field    = FALSE;
 475                 }
 476
 477                 $found_foreign_field = FALSE;
 478                 foreach ($selectboxall_innodb AS $key => $value) {
 479                     echo '                '
 480                          . '<option value="' . htmlspecialchars($key) . '"';
 481                     if ($foreign_field && $key == $foreign_field) {
 482                         echo ' selected="selected"';
 483                         $found_foreign_field = TRUE;
 484                     }
 485                     echo '>' . $value . '</option>'. "\n";
 486                 } // end while
 487
 488                 // we did not find the foreign field in the tables of current db,
 489                 // must be defined in another db so show it to avoid erasing it
 490                 if (!$found_foreign_field && $foreign_field) {
 491                     echo '                '
 492                          . '<option value="' . htmlspecialchars($foreign_field) . '"';
 493                     echo ' selected="selected"';
 494                     echo '>' . $foreign_field . '</option>' . "\n";
 495                 }
 496
 497                 ?>
 498             </select>
 499             </span>
 500             <span class="formelement">
 501                 <?php
 502                 PMA_generate_dropdown('ON DELETE',
 503                     'on_delete[' . htmlspecialchars($save_row[$i]['Field']) . ']',
 504                     $options_array,
 505                     isset($existrel_innodb[$myfield]['on_delete']) ? $existrel_innodb[$myfield]['on_delete']: '' );
 506
 507                 echo '</span>' . "\n"
 508                     .'<span class="formelement">' . "\n";
 509
 510                 PMA_generate_dropdown('ON UPDATE',
 511                     'on_update[' . htmlspecialchars($save_row[$i]['Field']) . ']',
 512                     $options_array,
 513                     isset($existrel_innodb[$myfield]['on_update']) ? $existrel_innodb[$myfield]['on_update']: '' );
 514                 echo '</span>' . "\n";
 515             } else {
 516                 echo $strNoIndex;
 517             } // end if (a key exists)
 518             echo '        </td>';
 519         } // end if (InnoDB)
 520         ?>
 521     </tr>
 522         <?php
 523     } // end for
 524
 525     echo '    </table>' . "\n";
 526     echo '</fieldset>' . "\n";
 527
 528     if ($cfgRelation['displaywork']) {
 529         // Get "display_field" infos
 530         $disp = PMA_getDisplayField($db, $table);
 531         ?>
 532     <fieldset>
 533         <label><?php echo $strChangeDisplay . ': '; ?></label>
 534         <select name="display_field" style="vertical-align: middle">
 535             <option value="">---</option>
 536         <?php
 537         foreach ($save_row AS $row) {
 538             echo '            <option value="' . htmlspecialchars($row['Field']) . '"';
 539             if (isset($disp) && $row['Field'] == $disp) {
 540                 echo ' selected="selected"';
 541             }
 542             echo '>' . htmlspecialchars($row['Field']) . '</option>'. "\n";
 543         } // end while
 544         ?>
 545         </select>
 546     </fieldset>
 547         <?php
 548     } // end if (displayworks)
 549     ?>
 550     <fieldset class="tblFooters">
 551         <input type="submit" value="<?php echo $strSave; ?>" />
 552     </fieldset>
 553 </form>
 554     <?php
 555 } // end if (we have columns in this table)
 556
 557 if ( $tbl_type === 'INNODB' && PMA_MYSQL_INT_VERSION < 40013 ) {
 558     echo '<div class="warning">'
 559         .'** ' . sprintf($strUpgrade, 'MySQL', '4.0.13')
 560         .'</div>';
 561 }
 562
 563 /**
 564  * Displays the footer
 565  */
 566 require_once('./libraries/footer.inc.php');
 567 ?>