tbl_relation.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Display table relations for viewing and editing
   5  *
   6  * includes phpMyAdmin relations and InnoDB relations
   7  *
   8  * @todo fix name handling: currently names with dots (.) are not properly handled for internal relations (but foreign keys relations are correct)
   9  * @todo foreign key constraints require both fields being of equal type and size
  10  * @todo check foreign fields to be from same type and size, all other makes no sense
  11  * @todo add an link to create an index required for constraints, or an option to do automatically
  12  * @todo if above todos are fullfilled we can add all fields meet requirements in the select dropdown
  13  * @package PhpMyAdmin
  14  */
  15
  16 /**
  17  * Gets some core libraries
  18  */
  19 require_once 'libraries/common.inc.php';
  20 $GLOBALS['js_include'][] = 'tbl_relation.js';
  21
  22 require_once 'libraries/tbl_common.php';
  23 $url_query .= '&amp;goto=tbl_sql.php';
  24
  25 /**
  26  * Sets globals from $_POST
  27  */
  28 $post_params = array(
  29     'destination',
  30     'destination_foreign',
  31     'display_field',
  32     'fields_name',
  33     'on_delete',
  34     'on_update'
  35 );
  36 foreach ($post_params as $one_post_param) {
  37     if (isset($_POST[$one_post_param])) {
  38         $GLOBALS[$one_post_param] = $_POST[$one_post_param];
  39     }
  40 }
  41
  42 /**
  43  * Gets tables informations
  44  */
  45 require_once 'libraries/tbl_info.inc.php';
  46
  47 // Note: in libraries/tbl_links.inc.php we get and display the table comment.
  48 // For InnoDB, this comment contains the REFER information but any update
  49 // has not been done yet (will be done in tbl_relation.php later).
  50 $avoid_show_comment = true;
  51
  52 /**
  53  * Displays top menu links
  54  */
  55 require_once 'libraries/tbl_links.inc.php';
  56
  57 $options_array = array(
  58     'CASCADE'   => 'CASCADE',
  59     'SET_NULL'  => 'SET NULL',
  60     'NO_ACTION' => 'NO ACTION',
  61     'RESTRICT'  => 'RESTRICT',
  62 );
  63
  64 /**
  65  * Generate dropdown choices
  66  *
  67  * @param string $dropdown_question Message to display
  68  * @param string $select_name       Name of the <select> field
  69  * @param array  $choices           Choices for dropdown
  70  * @param string $selected_value    Selected value
  71  *
  72  * @return  string   The existing value (for selected)
  73  *
  74  * @access  public
  75  */
  76 function PMA_generate_dropdown($dropdown_question, $select_name, $choices, $selected_value)
  77 {
  78     echo htmlspecialchars($dropdown_question) . '&nbsp;&nbsp;';
  79
  80     echo '<select name="' . htmlspecialchars($select_name) . '">' . "\n";
  81
  82     foreach ($choices as $one_value => $one_label) {
  83         echo '<option value="' . htmlspecialchars($one_value) . '"';
  84         if ($selected_value == $one_value) {
  85             echo ' selected="selected" ';
  86         }
  87         echo '>' . htmlspecialchars($one_label) . '</option>' . "\n";
  88     }
  89     echo '</select>' . "\n";
  90 }
  91
  92 /**
  93  * Split a string on backquote pairs
  94  *
  95  * @param string $text original string
  96  *
  97  * @return  array   containing the elements (and their surrounding backquotes)
  98  *
  99  * @access  public
 100  */
 101 function PMA_backquote_split($text)
 102 {
 103     $elements = array();
 104     $final_pos = strlen($text) - 1;
 105     $pos = 0;
 106     while ($pos <= $final_pos) {
 107         $first_backquote = strpos($text, '`', $pos);
 108         $second_backquote = strpos($text, '`', $first_backquote + 1);
 109         // after the second one, there might be another one which means
 110         // this is an escaped backquote
 111         if ($second_backquote < $final_pos && '`' == $text[$second_backquote + 1]) {
 112             $second_backquote = strpos($text, '`', $second_backquote + 2);
 113         }
 114         if (false === $first_backquote || false === $second_backquote) {
 115             break;
 116         }
 117         $elements[] = substr($text, $first_backquote, $second_backquote - $first_backquote + 1);
 118         $pos = $second_backquote + 1;
 119     }
 120     return($elements);
 121 }
 122
 123 /**
 124  * Gets the relation settings
 125  */
 126 $cfgRelation = PMA_getRelationsParam();
 127
 128
 129 /**
 130  * Updates
 131  */
 132 if ($cfgRelation['relwork']) {
 133     $existrel = PMA_getForeigners($db, $table, '', 'internal');
 134 }
 135 if (PMA_foreignkey_supported($tbl_storage_engine)) {
 136     $existrel_foreign = PMA_getForeigners($db, $table, '', 'foreign');
 137 }
 138 if ($cfgRelation['displaywork']) {
 139     $disp     = PMA_getDisplayField($db, $table);
 140 }
 141
 142 // will be used in the logic for internal relations and foreign keys:
 143 $me_fields_name = isset($_REQUEST['fields_name'])
 144     ? $_REQUEST['fields_name']
 145     : null;
 146
 147 // u p d a t e s   f o r   I n t e r n a l    r e l a t i o n s
 148 if (isset($destination) && $cfgRelation['relwork']) {
 149
 150     foreach ($destination as $master_field_md5 => $foreign_string) {
 151         $upd_query = false;
 152
 153         // Map the fieldname's md5 back to its real name
 154         $master_field = $me_fields_name[$master_field_md5];
 155
 156         if (! empty($foreign_string)) {
 157             $foreign_string = trim($foreign_string, '`');
 158             list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string);
 159             if (! isset($existrel[$master_field])) {
 160                 $upd_query  = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
 161                             . '(master_db, master_table, master_field, foreign_db, foreign_table, foreign_field)'
 162                             . ' values('
 163                             . '\'' . PMA_sqlAddSlashes($db) . '\', '
 164                             . '\'' . PMA_sqlAddSlashes($table) . '\', '
 165                             . '\'' . PMA_sqlAddSlashes($master_field) . '\', '
 166                             . '\'' . PMA_sqlAddSlashes($foreign_db) . '\', '
 167                             . '\'' . PMA_sqlAddSlashes($foreign_table) . '\','
 168                             . '\'' . PMA_sqlAddSlashes($foreign_field) . '\')';
 169             } elseif ($existrel[$master_field]['foreign_db'] . '.' .$existrel[$master_field]['foreign_table'] . '.' . $existrel[$master_field]['foreign_field'] != $foreign_string) {
 170                 $upd_query  = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation']) . ' SET'
 171                             . ' foreign_db       = \'' . PMA_sqlAddSlashes($foreign_db) . '\', '
 172                             . ' foreign_table    = \'' . PMA_sqlAddSlashes($foreign_table) . '\', '
 173                             . ' foreign_field    = \'' . PMA_sqlAddSlashes($foreign_field) . '\' '
 174                             . ' WHERE master_db  = \'' . PMA_sqlAddSlashes($db) . '\''
 175                             . ' AND master_table = \'' . PMA_sqlAddSlashes($table) . '\''
 176                             . ' AND master_field = \'' . PMA_sqlAddSlashes($master_field) . '\'';
 177             } // end if... else....
 178         } elseif (isset($existrel[$master_field])) {
 179             $upd_query      = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
 180                             . ' WHERE master_db  = \'' . PMA_sqlAddSlashes($db) . '\''
 181                             . ' AND master_table = \'' . PMA_sqlAddSlashes($table) . '\''
 182                             . ' AND master_field = \'' . PMA_sqlAddSlashes($master_field) . '\'';
 183         } // end if... else....
 184         if ($upd_query) {
 185             PMA_query_as_controluser($upd_query);
 186         }
 187     } // end while
 188 } // end if (updates for internal relations)
 189
 190 // u p d a t e s    f o r    f o r e i g n    k e y s
 191 // (for now, one index name only; we keep the definitions if the
 192 // foreign db is not the same)
 193 // I use $sql_query to be able to display directly the query via
 194 // PMA_showMessage()
 195
 196 if (isset($_REQUEST['destination_foreign'])) {
 197     $display_query = '';
 198     $seen_error = false;
 199     foreach ($_REQUEST['destination_foreign'] as $master_field_md5 => $foreign_string) {
 200
 201         // Map the fieldname's md5 back to it's real name
 202         $master_field = $me_fields_name[$master_field_md5];
 203
 204         if (! empty($foreign_string)) {
 205             list($foreign_db, $foreign_table, $foreign_field) = PMA_backquote_split($foreign_string);
 206             if (! isset($existrel_foreign[$master_field])) {
 207                 // no key defined for this field
 208
 209                 // The next few lines are repeated below, so they
 210                 // could be put in an include file
 211                 // Note: I tried to enclose the db and table name with
 212                 // backquotes but MySQL 4.0.16 did not like the syntax
 213                 // (for example: `base2`.`table1`)
 214
 215                 $sql_query  = 'ALTER TABLE ' . PMA_backquote($table)
 216                             . ' ADD FOREIGN KEY ('
 217                             . PMA_backquote($master_field) . ')'
 218                             . ' REFERENCES '
 219                             . $foreign_db . '.'
 220                             . $foreign_table . '('
 221                             . $foreign_field . ')';
 222
 223                 if (! empty($_REQUEST['on_delete'][$master_field_md5])) {
 224                     $sql_query .= ' ON DELETE ' . $options_array[$_REQUEST['on_delete'][$master_field_md5]];
 225                 }
 226                 if (! empty($_REQUEST['on_update'][$master_field_md5])) {
 227                     $sql_query .= ' ON UPDATE ' . $options_array[$_REQUEST['on_update'][$master_field_md5]];
 228                 }
 229                 $sql_query .= ';';
 230                 $display_query .= $sql_query . "\n";
 231                 // end repeated code
 232
 233             } elseif (PMA_backquote($existrel_foreign[$master_field]['foreign_db']) != $foreign_db
 234                 || PMA_backquote($existrel_foreign[$master_field]['foreign_table']) != $foreign_table
 235                 || PMA_backquote($existrel_foreign[$master_field]['foreign_field']) != $foreign_field
 236                 || ($_REQUEST['on_delete'][$master_field_md5] != (!empty($existrel_foreign[$master_field]['on_delete']) ? $existrel_foreign[$master_field]['on_delete'] : 'RESTRICT'))
 237                 || ($_REQUEST['on_update'][$master_field_md5] != (!empty($existrel_foreign[$master_field]['on_update']) ? $existrel_foreign[$master_field]['on_update'] : 'RESTRICT'))
 238                    ) {
 239                 // another foreign key is already defined for this field
 240                 // or
 241                 // an option has been changed for ON DELETE or ON UPDATE
 242
 243                 // remove existing key and add the new one
 244                 $sql_query  = 'ALTER TABLE ' . PMA_backquote($table)
 245                             . ' DROP FOREIGN KEY '
 246                             . PMA_backquote($existrel_foreign[$master_field]['constraint']) . ', '
 247                             . 'ADD FOREIGN KEY ('
 248                             . PMA_backquote($master_field) . ')'
 249                             . ' REFERENCES '
 250                             . $foreign_db . '.'
 251                             . $foreign_table . '('
 252                             . $foreign_field . ')';
 253
 254                 if (! empty($_REQUEST['on_delete'][$master_field_md5])) {
 255                     $sql_query   .= ' ON DELETE '
 256                         . $options_array[$_REQUEST['on_delete'][$master_field_md5]];
 257                 }
 258                 if (! empty($_REQUEST['on_update'][$master_field_md5])) {
 259                     $sql_query   .= ' ON UPDATE '
 260                         . $options_array[$_REQUEST['on_update'][$master_field_md5]];
 261                 }
 262                 $sql_query .= ';';
 263                 $display_query .= $sql_query . "\n";
 264
 265             } // end if... else....
 266         } elseif (isset($existrel_foreign[$master_field])) {
 267             $sql_query  = 'ALTER TABLE ' . PMA_backquote($table)
 268                     . ' DROP FOREIGN KEY '
 269                     . PMA_backquote($existrel_foreign[$master_field]['constraint']);
 270             $sql_query .= ';';
 271             $display_query .= $sql_query . "\n";
 272         } // end if... else....
 273
 274         if (! empty($sql_query)) {
 275             PMA_DBI_try_query($sql_query);
 276             $tmp_error = PMA_DBI_getError();
 277             if (! empty($tmp_error)) {
 278                 $seen_error = true;
 279             }
 280             if (substr($tmp_error, 1, 4) == '1216'
 281                 ||  substr($tmp_error, 1, 4) == '1452'
 282             ) {
 283                 PMA_mysqlDie($tmp_error, $sql_query, false, '', false);
 284                 echo PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n";
 285             }
 286             if (substr($tmp_error, 1, 4) == '1005') {
 287                 $message = PMA_Message::error(__('Error creating foreign key on %1$s (check data types)'));
 288                 $message->addParam($master_field);
 289                 $message->display();
 290                 echo PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n";
 291             }
 292             unset($tmp_error);
 293             $sql_query = '';
 294         }
 295     } // end foreach
 296     if (!empty($display_query)) {
 297         if ($seen_error) {
 298             PMA_showMessage(__('Error'), null, 'error');
 299         } else {
 300             PMA_showMessage(__('Your SQL query has been executed successfully'), null, 'success');
 301         }
 302     }
 303 } // end if isset($destination_foreign)
 304
 305
 306 // U p d a t e s   f o r   d i s p l a y   f i e l d
 307
 308 if ($cfgRelation['displaywork'] && isset($display_field)) {
 309     $upd_query = false;
 310     if ($disp) {
 311         if ($display_field != '') {
 312             $upd_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
 313                        . ' SET display_field = \'' . PMA_sqlAddSlashes($display_field) . '\''
 314                        . ' WHERE db_name  = \'' . PMA_sqlAddSlashes($db) . '\''
 315                        . ' AND table_name = \'' . PMA_sqlAddSlashes($table) . '\'';
 316         } else {
 317             $upd_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
 318                        . ' WHERE db_name  = \'' . PMA_sqlAddSlashes($db) . '\''
 319                        . ' AND table_name = \'' . PMA_sqlAddSlashes($table) . '\'';
 320         }
 321     } elseif ($display_field != '') {
 322         $upd_query = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info'])
 323                    . '(db_name, table_name, display_field) '
 324                    . ' VALUES('
 325                    . '\'' . PMA_sqlAddSlashes($db) . '\','
 326                    . '\'' . PMA_sqlAddSlashes($table) . '\','
 327                    . '\'' . PMA_sqlAddSlashes($display_field) . '\')';
 328     }
 329
 330     if ($upd_query) {
 331         PMA_query_as_controluser($upd_query);
 332     }
 333 } // end if
 334
 335 // If we did an update, refresh our data
 336 if (isset($destination) && $cfgRelation['relwork']) {
 337     $existrel = PMA_getForeigners($db, $table, '', 'internal');
 338 }
 339 if (isset($destination_foreign) && PMA_foreignkey_supported($tbl_storage_engine)) {
 340     $existrel_foreign = PMA_getForeigners($db, $table, '', 'foreign');
 341 }
 342
 343 if ($cfgRelation['displaywork']) {
 344     $disp     = PMA_getDisplayField($db, $table);
 345 }
 346
 347
 348 /**
 349  * Dialog
 350  */
 351
 352 // common form
 353 echo '<form method="post" action="tbl_relation.php">' . "\n";
 354 echo PMA_generate_common_hidden_inputs($db, $table);
 355
 356
 357 // relations
 358
 359 if ($cfgRelation['relwork'] || PMA_foreignkey_supported($tbl_storage_engine)) {
 360     // To choose relations we first need all tables names in current db
 361     // and if the main table supports foreign keys
 362     // we use SHOW TABLE STATUS because we need to find other tables of the
 363     // same engine.
 364
 365     if (PMA_foreignkey_supported($tbl_storage_engine)) {
 366         $tab_query           = 'SHOW TABLE STATUS FROM ' . PMA_backquote($db);
 367         // [0] of the row is the name
 368         // [1] is the type
 369     } else {
 370         $tab_query           = 'SHOW TABLES FROM ' . PMA_backquote($db);
 371         // [0] of the row is the name
 372     }
 373
 374     $tab_rs              = PMA_DBI_query($tab_query, null, PMA_DBI_QUERY_STORE);
 375     $selectboxall[] = '';
 376     $selectboxall_foreign[] = '';
 377
 378     while ($curr_table = PMA_DBI_fetch_row($tab_rs)) {
 379         $current_table = new PMA_Table($curr_table[0], $db);
 380
 381         // explicitely ask for non-quoted list of indexed columns
 382         $selectboxall = array_merge($selectboxall, $current_table->getUniqueColumns($backquoted = false));
 383
 384         // if foreign keys are supported, collect all keys from other
 385         // tables of the same engine
 386         if (PMA_foreignkey_supported($tbl_storage_engine)
 387             && isset($curr_table[1])
 388             && strtoupper($curr_table[1]) == $tbl_storage_engine
 389         ) {
 390              // explicitely ask for non-quoted list of indexed columns
 391              // need to obtain backquoted values to support dots inside values
 392              $selectboxall_foreign = array_merge($selectboxall_foreign, $current_table->getIndexedColumns($backquoted = true));
 393         }
 394     } // end while over tables
 395 } // end if
 396
 397 // Now find out the columns of our $table
 398 // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
 399 $columns = PMA_DBI_get_columns($db, $table);
 400
 401 if (count($columns) > 0) {
 402     foreach ($columns as $row) {
 403         $save_row[] = $row;
 404     }
 405     $saved_row_cnt  = count($save_row);
 406     ?>
 407     <fieldset>
 408     <legend><?php echo __('Relations'); ?></legend>
 409
 410     <table>
 411     <tr><th><?php echo __('Column'); ?></th>
 412     <?php
 413     if ($cfgRelation['relwork']) {
 414         echo '<th>' . __('Internal relation');
 415         if (PMA_foreignkey_supported($tbl_storage_engine)) {
 416             echo PMA_showHint(__('An internal relation is not necessary when a corresponding FOREIGN KEY relation exists.'));
 417         }
 418         echo '</th>';
 419     }
 420     if (PMA_foreignkey_supported($tbl_storage_engine)) {
 421         // this does not have to be translated, it's part of the MySQL syntax
 422         echo '<th colspan="2">' . __('Foreign key constraint') . ' (' . $tbl_storage_engine . ')';
 423         echo '</th>';
 424     }
 425     ?>
 426     </tr>
 427     <?php
 428     $odd_row = true;
 429     for ($i = 0; $i < $saved_row_cnt; $i++) {
 430         $myfield = $save_row[$i]['Field'];
 431         // Use an md5 as array index to avoid having special characters in the name atttibure (see bug #1746964 )
 432         $myfield_md5 = md5($myfield);
 433         $myfield_html = htmlspecialchars($myfield);
 434         ?>
 435     <tr class="<?php echo $odd_row ? 'odd' : 'even'; $odd_row = ! $odd_row; ?>">
 436         <td class="center">
 437             <strong><?php echo $myfield_html; ?></strong>
 438             <input type="hidden" name="fields_name[<?php echo $myfield_md5; ?>]" value="<?php echo $myfield_html; ?>"/>
 439         </td>
 440         <?php
 441         if ($cfgRelation['relwork']) {
 442             ?>
 443         <td><select name="destination[<?php echo $myfield_md5; ?>]">
 444             <?php
 445             // PMA internal relations
 446             if (isset($existrel[$myfield])) {
 447                 $foreign_field    = $existrel[$myfield]['foreign_db'] . '.'
 448                          . $existrel[$myfield]['foreign_table'] . '.'
 449                          . $existrel[$myfield]['foreign_field'];
 450             } else {
 451                 $foreign_field    = false;
 452             }
 453             $seen_key = false;
 454             foreach ($selectboxall as $value) {
 455                 echo '                '
 456                      . '<option value="' . htmlspecialchars($value) . '"';
 457                 if ($foreign_field && $value == $foreign_field) {
 458                     echo ' selected="selected"';
 459                     $seen_key = true;
 460                 }
 461                 echo '>' . htmlspecialchars($value) . '</option>'. "\n";
 462             } // end while
 463
 464             // if the link defined in relationtable points to a foreign field
 465             // that is not a key in the foreign table, we show the link
 466             // (will not be shown with an arrow)
 467             if ($foreign_field && !$seen_key) {
 468                 echo '                '
 469                     .'<option value="' . htmlspecialchars($foreign_field) . '"'
 470                     .' selected="selected"'
 471                     .'>' . $foreign_field . '</option>'. "\n";
 472             }
 473             ?>
 474             </select>
 475         </td>
 476             <?php
 477         } // end if (internal relations)
 478
 479         if (PMA_foreignkey_supported($tbl_storage_engine)) {
 480             echo '<td>';
 481             if (!empty($save_row[$i]['Key'])) {
 482                 ?>
 483             <span class="formelement">
 484             <select name="destination_foreign[<?php echo $myfield_md5; ?>]" class="referenced_column_dropdown">
 485                 <?php
 486                 if (isset($existrel_foreign[$myfield])) {
 487                     // need to backquote to support a dot character inside
 488                     // an element
 489                     $foreign_field    = PMA_backquote($existrel_foreign[$myfield]['foreign_db']) . '.'
 490                              . PMA_backquote($existrel_foreign[$myfield]['foreign_table']) . '.'
 491                              . PMA_backquote($existrel_foreign[$myfield]['foreign_field']);
 492                 } else {
 493                     $foreign_field    = false;
 494                 }
 495
 496                 $found_foreign_field = false;
 497                 foreach ($selectboxall_foreign as $value) {
 498                     echo '                '
 499                          . '<option value="' . htmlspecialchars($value) . '"';
 500                     if ($foreign_field && $value == $foreign_field) {
 501                         echo ' selected="selected"';
 502                         $found_foreign_field = true;
 503                     }
 504                     echo '>' . htmlspecialchars($value) . '</option>'. "\n";
 505                 } // end while
 506
 507                 // we did not find the foreign field in the tables of current db,
 508                 // must be defined in another db so show it to avoid erasing it
 509                 if (!$found_foreign_field && $foreign_field) {
 510                     echo '                '
 511                          . '<option value="' . htmlspecialchars($foreign_field) . '"';
 512                     echo ' selected="selected"';
 513                     echo '>' . $foreign_field . '</option>' . "\n";
 514                 }
 515
 516                 ?>
 517             </select>
 518             </span>
 519             <span class="formelement">
 520                 <?php
 521                 // For ON DELETE and ON UPDATE, the default action
 522                 // is RESTRICT as per MySQL doc; however, a SHOW CREATE TABLE
 523                 // won't display the clause if it's set as RESTRICT.
 524                 PMA_generate_dropdown(
 525                     'ON DELETE',
 526                     'on_delete[' . $myfield_md5 . ']',
 527                     $options_array,
 528                     isset($existrel_foreign[$myfield]['on_delete']) ? $existrel_foreign[$myfield]['on_delete']: 'RESTRICT'
 529                 );
 530
 531                 echo '</span>' . "\n"
 532                     .'<span class="formelement">' . "\n";
 533
 534                 PMA_generate_dropdown(
 535                     'ON UPDATE',
 536                     'on_update[' . $myfield_md5 . ']',
 537                     $options_array,
 538                     isset($existrel_foreign[$myfield]['on_update']) ? $existrel_foreign[$myfield]['on_update']: 'RESTRICT'
 539                 );
 540                 echo '</span>' . "\n";
 541             } else {
 542                 echo __('No index defined!');
 543             } // end if (a key exists)
 544             echo '        </td>';
 545         } // end if (InnoDB)
 546         ?>
 547     </tr>
 548         <?php
 549     } // end for
 550
 551     unset( $myfield, $myfield_md5, $myfield_html);
 552
 553     echo '    </table>' . "\n";
 554     echo '</fieldset>' . "\n";
 555
 556     if ($cfgRelation['displaywork']) {
 557         // Get "display_field" infos
 558         $disp = PMA_getDisplayField($db, $table);
 559         ?>
 560     <fieldset>
 561         <label><?php echo __('Choose column to display') . ': '; ?></label>
 562         <select name="display_field">
 563             <option value="">---</option>
 564         <?php
 565         foreach ($save_row AS $row) {
 566             echo '            <option value="' . htmlspecialchars($row['Field']) . '"';
 567             if (isset($disp) && $row['Field'] == $disp) {
 568                 echo ' selected="selected"';
 569             }
 570             echo '>' . htmlspecialchars($row['Field']) . '</option>'. "\n";
 571         } // end while
 572         ?>
 573         </select>
 574     </fieldset>
 575         <?php
 576     } // end if (displayworks)
 577     ?>
 578     <fieldset class="tblFooters">
 579         <input type="submit" value="<?php echo __('Save'); ?>" />
 580     </fieldset>
 581 </form>
 582     <?php
 583 } // end if (we have columns in this table)
 584
 585 /**
 586  * Displays the footer
 587  */
 588 require 'libraries/footer.inc.php';
 589 ?>