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/grab_globals.lib.php');
   9 require_once('./libraries/common.lib.php');
  10 require_once('./tbl_properties_common.php');
  11 $url_query .= '&amp;goto=tbl_properties.php';
  12
  13
  14 /**
  15  * Gets tables informations
  16  */
  17 require('./tbl_properties_table_info.php');
  18
  19 // Note: in tbl_properties_links.php we get and display the table comment.
  20 // For InnoDB, this comment contains the REFER information but any update
  21 // has not been done yet (will be done in tbl_relation.php later).
  22 $avoid_show_comment = TRUE;
  23
  24 /**
  25  * Displays top menu links
  26  */
  27 require('./tbl_properties_links.php');
  28
  29 require_once('./libraries/relation.lib.php');
  30
  31 $options_array = array('CASCADE' => 'CASCADE', 'SET_NULL' => 'SET NULL', 'NO_ACTION' => 'NO ACTION', 'RESTRICT' => 'RESTRICT');
  32
  33          /**
  34          * Generate dropdown choices
  35          *
  36          * @param   string   Message to display
  37          * @param   string   Name of the <select> field
  38          * @param   array    Choices for dropdown
  39          * @return  string   The existing value (for selected)
  40          *
  41          * @access  public
  42          */
  43 function PMA_generate_dropdown($dropdown_question,$radio_name,$choices,$selected_value) {
  44     global $font_smallest;
  45
  46     echo $dropdown_question . '&nbsp;&nbsp;';
  47
  48     //echo '<select name="' . $radio_name . '" style="font-size: ' . $font_smallest . '">' . "\n";
  49     //echo '<option value="nix" style="font-size: ' . $font_smallest . '" >--</option>' . "\n";
  50     echo '<select name="' . $radio_name . '">' . "\n";
  51     echo '<option value="nix">--</option>' . "\n";
  52
  53     foreach ($choices AS $one_value => $one_label) {
  54         echo '<option value="' . $one_value . '"';
  55         if ($selected_value == $one_value) {
  56             echo ' selected="selected" ';
  57         }
  58         //echo ' style="font-size: ' . $font_smallest . '">'
  59         echo '>' . $one_label . '</option>' . "\n";
  60     }
  61     echo '</select>' . "\n";
  62     echo "\n";
  63 }
  64
  65
  66 /**
  67  * Gets the relation settings
  68  */
  69 $cfgRelation = PMA_getRelationsParam();
  70
  71
  72 /**
  73  * Updates
  74  */
  75
  76 // ensure we are positionned to our current db (since the previous reading
  77 // of relations makes pmadb the current one, maybe depending on the MySQL version)
  78 PMA_DBI_select_db($db);
  79
  80 if ($cfgRelation['relwork']) {
  81     $existrel = PMA_getForeigners($db, $table, '', 'internal');
  82 }
  83 if ($tbl_type=='INNODB') {
  84     $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb');
  85 }
  86 if ($cfgRelation['displaywork']) {
  87     $disp     = PMA_getDisplayField($db, $table);
  88 }
  89
  90 // updates for internal relations or innodb?
  91 if (isset($submit_rel) && $submit_rel == 'true') {
  92     // u p d a t e s   f o r   I n t e r n a l    r e l a t i o n s
  93     if ($cfgRelation['relwork']) {
  94
  95         foreach ($destination AS $master_field => $foreign_string) {
  96             if ($foreign_string != 'nix') {
  97                 list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string);
  98                 if (!isset($existrel[$master_field])) {
  99                     $upd_query  = 'INSERT INTO ' . PMA_backquote($cfgRelation['relation'])
 100                                 . '(master_db, master_table, master_field, foreign_db, foreign_table, foreign_field)'
 101                                 . ' values('
 102                                 . '\'' . PMA_sqlAddslashes($db) . '\', '
 103                                 . '\'' . PMA_sqlAddslashes($table) . '\', '
 104                                 . '\'' . PMA_sqlAddslashes($master_field) . '\', '
 105                                 . '\'' . PMA_sqlAddslashes($foreign_db) . '\', '
 106                                 . '\'' . PMA_sqlAddslashes($foreign_table) . '\','
 107                                 . '\'' . PMA_sqlAddslashes($foreign_field) . '\')';
 108                 } else if ($existrel[$master_field]['foreign_db'] . '.' .$existrel[$master_field]['foreign_table'] . '.' . $existrel[$master_field]['foreign_field'] != $foreign_string) {
 109                     $upd_query  = 'UPDATE ' . PMA_backquote($cfgRelation['relation']) . ' SET'
 110                                 . ' foreign_db       = \'' . PMA_sqlAddslashes($foreign_db) . '\', '
 111                                 . ' foreign_table    = \'' . PMA_sqlAddslashes($foreign_table) . '\', '
 112                                 . ' foreign_field    = \'' . PMA_sqlAddslashes($foreign_field) . '\' '
 113                                 . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 114                                 . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 115                                 . ' AND master_field = \'' . PMA_sqlAddslashes($master_field) . '\'';
 116                 } // end if... else....
 117             } else if (isset($existrel[$master_field])) {
 118                 $upd_query      = 'DELETE FROM ' . PMA_backquote($cfgRelation['relation'])
 119                                 . ' WHERE master_db  = \'' . PMA_sqlAddslashes($db) . '\''
 120                                 . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\''
 121                                 . ' AND master_field = \'' . PMA_sqlAddslashes($master_field) . '\'';
 122             } // end if... else....
 123             if (isset($upd_query)) {
 124                 $upd_rs         = PMA_query_as_cu($upd_query);
 125                 unset($upd_query);
 126             }
 127         } // end while
 128     } // end if (updates for internal relations)
 129
 130     // u p d a t e s   f o r   I n n o D B
 131     // ( for now, one index name only; we keep the definitions if the
 132     // foreign db is not the same)
 133     if (isset($destination_innodb)) {
 134         foreach ($destination_innodb AS $master_field => $foreign_string) {
 135             if ($foreign_string != 'nix') {
 136                 list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string);
 137                 if (!isset($existrel_innodb[$master_field])) {
 138                     // no key defined for this field
 139
 140                     // The next few lines are repeated below, so they
 141                     // could be put in an include file
 142                     // Note: I tried to enclose the db and table name with
 143                     // backquotes but MySQL 4.0.16 did not like the syntax
 144                     // (for example: `base2`.`table1` )
 145
 146                     $upd_query  = 'ALTER TABLE ' . PMA_backquote($table)
 147                                 . ' ADD FOREIGN KEY ('
 148                                 . PMA_backquote(PMA_sqlAddslashes($master_field)) . ')'
 149                                 . ' REFERENCES '
 150                                 . PMA_backquote(PMA_sqlAddslashes($foreign_db) . '.'
 151                                 . PMA_sqlAddslashes($foreign_table)) . '('
 152                                 . PMA_backquote(PMA_sqlAddslashes($foreign_field)) . ')';
 153
 154                     if (${$master_field . '_on_delete'} != 'nix') {
 155                         $upd_query   .= ' ON DELETE ' . $options_array[${$master_field . '_on_delete'}];
 156                     }
 157                     if (${$master_field . '_on_update'} != 'nix') {
 158                         $upd_query   .= ' ON UPDATE ' . $options_array[${$master_field . '_on_update'}];
 159                     }
 160
 161                     // end repeated code
 162
 163                 } else if (($existrel_innodb[$master_field]['foreign_db'] . '.' .$existrel_innodb[$master_field]['foreign_table'] . '.' . $existrel_innodb[$master_field]['foreign_field'] != $foreign_string)
 164                   || ( ${$master_field . '_on_delete'} != (!empty($existrel_innodb[$master_field]['on_delete']) ? $existrel_innodb[$master_field]['on_delete'] : ''))
 165                   || ( ${$master_field . '_on_update'} != (!empty($existrel_innodb[$master_field]['on_update']) ? $existrel_innodb[$master_field]['on_update'] : ''))
 166                        ) {
 167                     // another foreign key is already defined for this field
 168                     // or
 169                     // an option has been changed for ON DELETE or ON UPDATE
 170
 171                     // remove existing key
 172                     if (PMA_MYSQL_INT_VERSION >= 40013) {
 173                         $upd_query  = 'ALTER TABLE ' . PMA_backquote($table)
 174                                     . ' DROP FOREIGN KEY '
 175                                     . PMA_backquote($existrel_innodb[$master_field]['constraint']);
 176
 177                         // I tried to send both in one query but it failed
 178                         $upd_rs     = PMA_DBI_query($upd_query);
 179                     }
 180
 181                     // add another
 182                     $upd_query  = 'ALTER TABLE ' . PMA_backquote($table)
 183                                 . ' ADD FOREIGN KEY ('
 184                                 . PMA_backquote(PMA_sqlAddslashes($master_field)) . ')'
 185                                 . ' REFERENCES '
 186                                 . PMA_backquote(PMA_sqlAddslashes($foreign_db) . '.'
 187                                 . PMA_sqlAddslashes($foreign_table)) . '('
 188                                 . PMA_backquote(PMA_sqlAddslashes($foreign_field)) . ')';
 189
 190                     if (${$master_field . '_on_delete'} != 'nix') {
 191                         $upd_query   .= ' ON DELETE ' . $options_array[${$master_field . '_on_delete'}];
 192                     }
 193                     if (${$master_field . '_on_update'} != 'nix') {
 194                         $upd_query   .= ' ON UPDATE ' . $options_array[${$master_field . '_on_update'}];
 195                     }
 196
 197                 } // end if... else....
 198             } else if (isset($existrel_innodb[$master_field])) {
 199                     if (PMA_MYSQL_INT_VERSION >= 40013) {
 200                         $upd_query  = 'ALTER TABLE ' . PMA_backquote($table)
 201                                 . ' DROP FOREIGN KEY '
 202                                 . PMA_backquote($existrel_innodb[$master_field]['constraint']);
 203                     }
 204             } // end if... else....
 205
 206             if (isset($upd_query)) {
 207                 $upd_rs    = PMA_DBI_try_query($upd_query);
 208                 $tmp_error = PMA_DBI_getError();
 209                 if (substr($tmp_error, 1, 4) == '1216') {
 210                     PMA_mysqlDie($tmp_error, $upd_query, FALSE, '', FALSE);
 211                     echo PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n";
 212                 }
 213                 if (substr($tmp_error, 1, 4) == '1005') {
 214                     echo '<p class="warning">' . $strNoIndex . ' (' . $master_field .')</p>'  . PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n";
 215                 }
 216                 unset($upd_query);
 217                 unset($tmp_error);
 218             }
 219         } // end while
 220     } // end if isset($destination_innodb)
 221
 222 } // end if (updates for internal relations or InnoDB)
 223
 224
 225 // U p d a t e s   f o r   d i s p l a y   f i e l d
 226
 227 if ($cfgRelation['displaywork']
 228     && isset($submit_show) && $submit_show == 'true') {
 229
 230     if ($disp) {
 231         if ($display_field != '') {
 232             $upd_query = 'UPDATE ' . PMA_backquote($cfgRelation['table_info'])
 233                        . ' SET display_field = \'' . PMA_sqlAddslashes($display_field) . '\''
 234                        . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 235                        . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
 236         } else {
 237             $upd_query = 'DELETE FROM ' . PMA_backquote($cfgRelation['table_info'])
 238                        . ' WHERE db_name  = \'' . PMA_sqlAddslashes($db) . '\''
 239                        . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\'';
 240         }
 241     } elseif ($display_field != '') {
 242         $upd_query = 'INSERT INTO ' . PMA_backquote($cfgRelation['table_info'])
 243                    . '(db_name, table_name, display_field) '
 244                    . ' VALUES('
 245                    . '\'' . PMA_sqlAddslashes($db) . '\','
 246                    . '\'' . PMA_sqlAddslashes($table) . '\','
 247                    . '\'' . PMA_sqlAddslashes($display_field) . '\')';
 248     }
 249
 250     if (isset($upd_query)) {
 251         $upd_rs    = PMA_query_as_cu($upd_query);
 252     }
 253 } // end if
 254
 255 // If we did an update, refresh our data
 256 if (isset($submit_rel) && $submit_rel == 'true') {
 257     if ($cfgRelation['relwork']) {
 258         $existrel = PMA_getForeigners($db, $table, '', 'internal');
 259     }
 260     if ($tbl_type=='INNODB') {
 261         $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb');
 262     }
 263 }
 264 if ($cfgRelation['displaywork']) {
 265     $disp     = PMA_getDisplayField($db, $table);
 266 }
 267
 268
 269 /**
 270  * Dialog
 271  */
 272 if ($cfgRelation['relwork'] || $tbl_type=='INNODB') {
 273     // To choose relations we first need all tables names in current db
 274     // and if PMA version permits and the main table is innodb,
 275     // we use SHOW TABLE STATUS because we need to find other InnoDB tables
 276
 277     if ($tbl_type=='INNODB') {
 278         $tab_query           = 'SHOW TABLE STATUS FROM ' . PMA_backquote($db);
 279     // [0] of the row is the name
 280     // [1] is the type
 281     } else {
 282         $tab_query           = 'SHOW TABLES FROM ' . PMA_backquote($db);
 283     }
 284     // [0] of the row is the name
 285
 286     $tab_rs              = PMA_DBI_query($tab_query, NULL, PMA_DBI_QUERY_STORE);
 287     $selectboxall['nix'] = '--';
 288     $selectboxall_innodb['nix'] = '--';
 289
 290     while ($curr_table = @PMA_DBI_fetch_row($tab_rs)) {
 291         if (($curr_table[0] != $table) && ($curr_table[0] != $cfg['Server']['relation'])) {
 292             PMA_DBI_select_db($db);
 293
 294             // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
 295             $fi_rs    = PMA_DBI_query('SHOW KEYS FROM ' . PMA_backquote($curr_table[0]) . ';', NULL, PMA_DBI_QUERY_STORE);
 296             if ($fi_rs && PMA_DBI_num_rows($fi_rs) > 0) {
 297                 $seen_a_primary = FALSE;
 298                 while ($curr_field = PMA_DBI_fetch_assoc($fi_rs)) {
 299                     if (isset($curr_field['Key_name']) && $curr_field['Key_name'] == 'PRIMARY') {
 300                         $seen_a_primary = TRUE;
 301                         $field_full = $db . '.' .$curr_field['Table'] . '.' . $curr_field['Column_name'];
 302                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 303                         $selectboxall[$field_full] =  $field_v;
 304                         // there could be more than one segment of the primary
 305                         // so do not break
 306
 307                         // Please watch here, tbl_type is INNODB but the
 308                         // resulting value of SHOW KEYS is InnoDB
 309
 310                         if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 311                             $selectboxall_innodb[$field_full] =  $field_v;
 312                         }
 313
 314                     } else if (isset($curr_field['Non_unique']) && $curr_field['Non_unique'] == 0 && $seen_a_primary==FALSE) {
 315                         // if we can't find a primary key we take any unique one
 316                         // (in fact, we show all segments of unique keys
 317                         //  and all unique keys)
 318                         $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 319                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 320                         $selectboxall[$field_full] =  $field_v;
 321                         if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 322                             $selectboxall_innodb[$field_full] =  $field_v;
 323                         }
 324
 325                     // for InnoDB, any index is allowed
 326                     } else if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 327                         $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 328                         $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 329                         $selectboxall_innodb[$field_full] =  $field_v;
 330
 331                     } // end if
 332                 } // end while over keys
 333             } // end if (PMA_DBI_num_rows)
 334             PMA_DBI_free_result($fi_rs);
 335             unset($fi_rs);
 336         // Mike Beck - 24.07.02: i've been asked to add all keys of the
 337         // current table (see bug report #574851)
 338         }
 339         else if ($curr_table[0] == $table) {
 340             PMA_DBI_select_db($db);
 341
 342             // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
 343             $fi_rs    = PMA_DBI_query('SHOW KEYS FROM ' . PMA_backquote($curr_table[0]) . ';', NULL, PMA_DBI_QUERY_STORE);
 344             if ($fi_rs && PMA_DBI_num_rows($fi_rs) > 0) {
 345                 while ($curr_field = PMA_DBI_fetch_assoc($fi_rs)) {
 346                     $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name'];
 347                     $field_v    = $curr_field['Table'] . '->' . $curr_field['Column_name'];
 348                     $selectboxall[$field_full] =  $field_v;
 349                     if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') {
 350                         $selectboxall_innodb[$field_full] =  $field_v;
 351                     }
 352                 } // end while
 353             } // end if (PMA_DBI_num_rows)
 354             PMA_DBI_free_result($fi_rs);
 355             unset($fi_rs);
 356         }
 357     } // end while over tables
 358
 359 } // end if
 360
 361
 362 // Now find out the columns of our $table
 363 // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli
 364 $col_rs    = PMA_DBI_try_query('SHOW COLUMNS FROM ' . PMA_backquote($table) . ';', NULL, PMA_DBI_QUERY_STORE);
 365
 366 if ($col_rs && PMA_DBI_num_rows($col_rs) > 0) {
 367     while ($row = PMA_DBI_fetch_assoc($col_rs)) {
 368         $save_row[] = $row;
 369     }
 370     $saved_row_cnt  = count($save_row);
 371     echo $tbl_type=='INNODB' ? '' : '<table border="0" cellpadding="0" cellspacing="0">' . "\n"
 372                                   . '    <tr><td valign="top">' . "\n\n";
 373 ?>
 374
 375 <form method="post" action="tbl_relation.php">
 376     <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 377     <input type="hidden" name="submit_rel" value="true" />
 378
 379     <table cellpadding="2" cellspacing="1">
 380     <tr>
 381         <th colspan="<?php echo $tbl_type=='INNODB' ? '4' : '2'; ?>" align="center" class="tblHeaders"><b><?php echo $strLinksTo; ?></b></th>
 382     </tr>
 383     <tr>
 384         <th></th>
 385         <?php
 386         if ($cfgRelation['relwork']) {
 387             echo '        <th><b>' .$strInternalRelations;
 388             if ($tbl_type=='INNODB') {
 389                 echo '&nbsp;' . PMA_showHint($strInternalNotNecessary);
 390             }
 391             echo '</b></th>';
 392         }
 393         if ($tbl_type=='INNODB') {
 394             echo '<th colspan="2">InnoDB';
 395             if (PMA_MYSQL_INT_VERSION < 40013) {
 396                 echo '&nbsp;(**)';
 397             }
 398             echo '</th>';
 399         }
 400         ?>
 401     </tr>
 402     <?php
 403     for ($i = 0; $i < $saved_row_cnt; $i++) {
 404         $myfield = $save_row[$i]['Field'];
 405         echo "\n";
 406         ?>
 407     <tr>
 408         <td align="center" bgcolor="<?php echo ($i % 2) ? $GLOBALS['cfg']['BgcolorOne'] : $GLOBALS['cfg']['BgcolorTwo']; ?>"><b><?php echo $save_row[$i]['Field']; ?></b></td>
 409         <?php
 410         if ($cfgRelation['relwork']) {
 411         ?>
 412         <td bgcolor="<?php echo ($i % 2) ? $GLOBALS['cfg']['BgcolorOne'] : $GLOBALS['cfg']['BgcolorTwo']; ?>">
 413             <select name="destination[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]">
 414             <?php
 415             echo "\n";
 416
 417             // PMA internal relations
 418             if (isset($existrel[$myfield])) {
 419                 $foreign_field    = $existrel[$myfield]['foreign_db'] . '.'
 420                          . $existrel[$myfield]['foreign_table'] . '.'
 421                          . $existrel[$myfield]['foreign_field'];
 422             } else {
 423                 $foreign_field    = FALSE;
 424             }
 425             $seen_key = FALSE;
 426             foreach ($selectboxall AS $key => $value) {
 427                 echo '                '
 428                      . '<option value="' . htmlspecialchars($key) . '"';
 429                 if ($foreign_field && $key == $foreign_field) {
 430                     echo ' selected="selected"';
 431                     $seen_key = TRUE;
 432                 }
 433                 echo '>' . $value . '</option>'. "\n";
 434             } // end while
 435
 436         // if the link defined in relationtable points to a foreign field
 437         // that is not a key in the foreign table, we show the link
 438         // (will not be shown with an arrow)
 439             if ($foreign_field && !$seen_key) {
 440                 echo '                '
 441                      . '<option value="' . htmlspecialchars($foreign_field) . '"';
 442                 echo ' selected="selected"';
 443                 echo '>' . $foreign_field . '</option>'. "\n";
 444             }
 445         ?>
 446             </select>
 447         </td>
 448         <?php
 449         } // end if (internal relations)
 450
 451         if ($tbl_type=='INNODB') {
 452             if (!empty($save_row[$i]['Key'])) {
 453         ?>
 454         <td bgcolor="<?php echo ($i % 2) ? $GLOBALS['cfg']['BgcolorOne'] : $GLOBALS['cfg']['BgcolorTwo']; ?>">
 455             <select name="destination_innodb[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]">
 456         <?php
 457                 if (isset($existrel_innodb[$myfield])) {
 458                     $foreign_field    = $existrel_innodb[$myfield]['foreign_db'] . '.'
 459                              . $existrel_innodb[$myfield]['foreign_table'] . '.'
 460                              . $existrel_innodb[$myfield]['foreign_field'];
 461                 } else {
 462                     $foreign_field    = FALSE;
 463                 }
 464
 465                 $found_foreign_field = FALSE;
 466                 foreach ($selectboxall_innodb AS $key => $value) {
 467                     echo '                '
 468                          . '<option value="' . htmlspecialchars($key) . '"';
 469                     if ($foreign_field && $key == $foreign_field) {
 470                         echo ' selected="selected"';
 471                         $found_foreign_field = TRUE;
 472                     }
 473                     echo '>' . $value . '</option>'. "\n";
 474                 } // end while
 475
 476             // we did not find the foreign field in the tables of current db,
 477             // must be defined in another db so show it to avoid erasing it
 478                 if (!$found_foreign_field && $foreign_field) {
 479                     echo '                '
 480                          . '<option value="' . htmlspecialchars($foreign_field) . '"';
 481                     echo ' selected="selected"';
 482                     echo '>' . $foreign_field . '</option>'. "\n";
 483                 }
 484
 485         ?>
 486                 </select>
 487         </td>
 488         <td bgcolor="<?php echo ($i % 2) ? $GLOBALS['cfg']['BgcolorOne'] : $GLOBALS['cfg']['BgcolorTwo']; ?>">
 489         <?php
 490                   PMA_generate_dropdown('ON DELETE',
 491                       htmlspecialchars($save_row[$i]['Field']) . '_on_delete',
 492                       $options_array,
 493                       (isset($existrel_innodb[$myfield]['on_delete']) ? $existrel_innodb[$myfield]['on_delete']: '') );
 494
 495                   echo '&nbsp;&nbsp;&nbsp;';
 496
 497                   PMA_generate_dropdown('ON UPDATE',
 498                       htmlspecialchars($save_row[$i]['Field']) . '_on_update',
 499                       $options_array,
 500                       (isset($existrel_innodb[$myfield]['on_update']) ? $existrel_innodb[$myfield]['on_update']: '') );
 501
 502                 } else {
 503                     echo '<td>' . PMA_showHint($strNoIndex) . '</td>';
 504                 } // end if (a key exists)
 505             } // end if (InnoDB)
 506         ?>
 507         </td>
 508     </tr>
 509         <?php
 510     } // end for
 511
 512     echo "\n";
 513     ?>
 514     <tr>
 515         <td colspan="<?php echo $tbl_type=='INNODB' ? '4' : '2'; ?>" align="center" class="tblFooters">
 516             <input type="submit" value="<?php echo '  ' . $strGo . '  '; ?>" />
 517         </td>
 518     </tr>
 519     </table>
 520     <?php
 521         if ($tbl_type=='INNODB') {
 522             if (PMA_MYSQL_INT_VERSION < 40013) {
 523                 echo '** ' . sprintf($strUpgrade, 'MySQL', '4.0.13') . '<br />';
 524             }
 525         }
 526     ?>
 527 </form>
 528
 529     <?php
 530     echo $tbl_type=='INNODB' ? '' : "\n\n" . '    </td>' . "\n";
 531     if ($cfgRelation['displaywork']) {
 532         echo $tbl_type=='INNODB' ? '' : '    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>' . "\n"
 533             . '    <td valign="top" align="center">' . "\n\n";
 534         // Get "display_field" infos
 535         $disp = PMA_getDisplayField($db, $table);
 536
 537         echo "\n";
 538         ?>
 539 <form method="post" action="tbl_relation.php">
 540     <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
 541     <input type="hidden" name="submit_show" value="true" />
 542
 543     <p><b><?php echo $strChangeDisplay . ': '; ?></b><br />
 544     <select name="display_field" onchange="this.form.submit();" style="vertical-align: middle">
 545         <option value="">---</option>
 546         <?php
 547         echo "\n";
 548         foreach ($save_row AS $row) {
 549             echo '        <option value="' . htmlspecialchars($row['Field']) . '"';
 550             if (isset($disp) && $row['Field'] == $disp) {
 551                 echo ' selected="selected"';
 552             }
 553             echo '>' . htmlspecialchars($row['Field']) . '</option>'. "\n";
 554         } // end while
 555         ?>
 556     </select>
 557     <script type="text/javascript" language="javascript">
 558     <!--
 559     // Fake js to allow the use of the <noscript> tag
 560     //-->
 561     </script>
 562     <noscript>
 563         <input type="submit" value="<?php echo $strGo; ?>" style="vertical-align: middle" />
 564     </noscript>
 565     </p>
 566 </form>
 567         <?php
 568         echo $tbl_type=='INNODB' ? '' : "\n\n" . '    </td>' . "\n";
 569     } // end if (displayworks)
 570
 571 // comments handling removed from this page; now only available on
 572 // the field properties page
 573
 574     echo $tbl_type=='INNODB' ? '' : "\n\n" . '    </td></tr>' . "\n"
 575                                   . '</table>' . "\n\n";
 576 } // end if (we have columns in this table)
 577
 578
 579 /**
 580  * Displays the footer
 581  */
 582 require_once('./footer.inc.php');
 583 ?>