tbl_operations.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Various table operations
   5  *
   6  * @package PhpMyAdmin
   7  */
   8 use PhpMyAdmin\Index;
   9 use PhpMyAdmin\Message;
  10 use PhpMyAdmin\Partition;
  11 use PhpMyAdmin\Operations;
  12 use PhpMyAdmin\Relation;
  13 use PhpMyAdmin\Response;
  14 use PhpMyAdmin\Table;
  15 use PhpMyAdmin\Util;
  16
  17 /**
  18  *
  19  */
  20 require_once 'libraries/common.inc.php';
  21
  22 /**
  23  * functions implementation for this script
  24  */
  25 require_once 'libraries/check_user_privileges.lib.php';
  26
  27 $pma_table = new Table($GLOBALS['table'], $GLOBALS['db']);
  28
  29 /**
  30  * Load JavaScript files
  31  */
  32 $response = Response::getInstance();
  33 $header   = $response->getHeader();
  34 $scripts  = $header->getScripts();
  35 $scripts->addFile('tbl_operations.js');
  36
  37 /**
  38  * Runs common work
  39  */
  40 require 'libraries/tbl_common.inc.php';
  41 $url_query .= '&amp;goto=tbl_operations.php&amp;back=tbl_operations.php';
  42 $url_params['goto'] = $url_params['back'] = 'tbl_operations.php';
  43
  44 /**
  45  * Gets relation settings
  46  */
  47 $cfgRelation = Relation::getRelationsParam();
  48
  49 // reselect current db (needed in some cases probably due to
  50 // the calling of PhpMyAdmin\Relation)
  51 $GLOBALS['dbi']->selectDb($GLOBALS['db']);
  52
  53 /**
  54  * Gets tables information
  55  */
  56 $pma_table = $GLOBALS['dbi']->getTable(
  57     $GLOBALS['db'],
  58     $GLOBALS['table']
  59 );
  60 $reread_info = $pma_table->getStatusInfo(null, false);
  61 $GLOBALS['showtable'] = $pma_table->getStatusInfo(null, (isset($reread_info) && $reread_info ? true : false));
  62 if ($pma_table->isView()) {
  63     $tbl_is_view = true;
  64     $tbl_storage_engine = __('View');
  65     $show_comment = null;
  66 } else {
  67     $tbl_is_view = false;
  68     $tbl_storage_engine = $pma_table->getStorageEngine();
  69     $show_comment = $pma_table->getComment();
  70 }
  71 $tbl_collation = $pma_table->getCollation();
  72 $table_info_num_rows = $pma_table->getNumRows();
  73 $row_format = $pma_table->getRowFormat();
  74 $auto_increment = $pma_table->getAutoIncrement();
  75 $create_options = $pma_table->getCreateOptions();
  76
  77 // set initial value of these variables, based on the current table engine
  78 if ($pma_table->isEngine('ARIA')) {
  79     // the value for transactional can be implicit
  80     // (no create option found, in this case it means 1)
  81     // or explicit (option found with a value of 0 or 1)
  82     // ($create_options['transactional'] may have been set by Table class,
  83     // from the $create_options)
  84     $create_options['transactional'] = (isset($create_options['transactional']) && $create_options['transactional'] == '0')
  85         ? '0'
  86         : '1';
  87     $create_options['page_checksum'] = (isset($create_options['page_checksum'])) ? $create_options['page_checksum'] : '';
  88 }
  89
  90 $pma_table = $GLOBALS['dbi']->getTable(
  91     $GLOBALS['db'],
  92     $GLOBALS['table']
  93 );
  94 $reread_info = false;
  95 $table_alters = array();
  96
  97 /**
  98  * If the table has to be moved to some other database
  99  */
 100 if (isset($_REQUEST['submit_move']) || isset($_REQUEST['submit_copy'])) {
 101     //$_message = '';
 102     Operations::moveOrCopyTable($db, $table);
 103     // This was ended in an Ajax call
 104     exit;
 105 }
 106 /**
 107  * If the table has to be maintained
 108  */
 109 if (isset($_REQUEST['table_maintenance'])) {
 110     include_once 'sql.php';
 111     unset($result);
 112 }
 113 /**
 114  * Updates table comment, type and options if required
 115  */
 116 if (isset($_REQUEST['submitoptions'])) {
 117     $_message = '';
 118     $warning_messages = array();
 119
 120     if (isset($_REQUEST['new_name'])) {
 121         // Get original names before rename operation
 122         $oldTable = $pma_table->getName();
 123         $oldDb = $pma_table->getDbName();
 124
 125         if ($pma_table->rename($_REQUEST['new_name'])) {
 126             if (isset($_REQUEST['adjust_privileges'])
 127                 && ! empty($_REQUEST['adjust_privileges'])
 128             ) {
 129                 Operations::adjustPrivilegesRenameOrMoveTable(
 130                     $oldDb, $oldTable, $_REQUEST['db'], $_REQUEST['new_name']
 131                 );
 132             }
 133
 134             // Reselect the original DB
 135             $GLOBALS['db'] = $oldDb;
 136             $GLOBALS['dbi']->selectDb($oldDb);
 137             $_message .= $pma_table->getLastMessage();
 138             $result = true;
 139             $GLOBALS['table'] = $pma_table->getName();
 140             $reread_info = true;
 141             $reload = true;
 142         } else {
 143             $_message .= $pma_table->getLastError();
 144             $result = false;
 145         }
 146     }
 147
 148     if (! empty($_REQUEST['new_tbl_storage_engine'])
 149         && mb_strtoupper($_REQUEST['new_tbl_storage_engine']) !== $tbl_storage_engine
 150     ) {
 151         $new_tbl_storage_engine = mb_strtoupper($_REQUEST['new_tbl_storage_engine']);
 152
 153         if ($pma_table->isEngine('ARIA')) {
 154             $create_options['transactional'] = (isset($create_options['transactional']) && $create_options['transactional'] == '0')
 155                 ? '0'
 156                 : '1';
 157             $create_options['page_checksum'] = (isset($create_options['page_checksum'])) ? $create_options['page_checksum'] : '';
 158         }
 159     } else {
 160         $new_tbl_storage_engine = '';
 161     }
 162
 163     $row_format = (isset($create_options['row_format']))
 164         ? $create_options['row_format']
 165         : $pma_table->getRowFormat();
 166
 167     $table_alters = Operations::getTableAltersArray(
 168         $pma_table,
 169         $create_options['pack_keys'],
 170         (empty($create_options['checksum']) ? '0' : '1'),
 171         ((isset($create_options['page_checksum'])) ? $create_options['page_checksum'] : ''),
 172         (empty($create_options['delay_key_write']) ? '0' : '1'),
 173         $row_format,
 174         $new_tbl_storage_engine,
 175         ((isset($create_options['transactional']) && $create_options['transactional'] == '0') ? '0' : '1'),
 176         $tbl_collation
 177     );
 178
 179     if (count($table_alters) > 0) {
 180         $sql_query      = 'ALTER TABLE '
 181             . Util::backquote($GLOBALS['table']);
 182         $sql_query     .= "\r\n" . implode("\r\n", $table_alters);
 183         $sql_query     .= ';';
 184         $result        .= $GLOBALS['dbi']->query($sql_query) ? true : false;
 185         $reread_info    = true;
 186         unset($table_alters);
 187         $warning_messages = Operations::getWarningMessagesArray();
 188     }
 189
 190     if (isset($_REQUEST['tbl_collation'])
 191         && ! empty($_REQUEST['tbl_collation'])
 192         && isset($_REQUEST['change_all_collations'])
 193         && ! empty($_REQUEST['change_all_collations'])
 194     ) {
 195         Operations::changeAllColumnsCollation(
 196             $GLOBALS['db'], $GLOBALS['table'], $_REQUEST['tbl_collation']
 197         );
 198     }
 199 }
 200 /**
 201  * Reordering the table has been requested by the user
 202  */
 203 if (isset($_REQUEST['submitorderby']) && ! empty($_REQUEST['order_field'])) {
 204     list($sql_query, $result) = Operations::getQueryAndResultForReorderingTable();
 205 } // end if
 206
 207 /**
 208  * A partition operation has been requested by the user
 209  */
 210 if (isset($_REQUEST['submit_partition'])
 211     && ! empty($_REQUEST['partition_operation'])
 212 ) {
 213     list($sql_query, $result) = Operations::getQueryAndResultForPartition();
 214 } // end if
 215
 216 if ($reread_info) {
 217     // to avoid showing the old value (for example the AUTO_INCREMENT) after
 218     // a change, clear the cache
 219     $GLOBALS['dbi']->clearTableCache();
 220     $GLOBALS['dbi']->selectDb($GLOBALS['db']);
 221     $GLOBALS['showtable'] = $pma_table->getStatusInfo(null, true);
 222     if ($pma_table->isView()) {
 223         $tbl_is_view = true;
 224         $tbl_storage_engine = __('View');
 225         $show_comment = null;
 226     } else {
 227         $tbl_is_view = false;
 228         $tbl_storage_engine = $pma_table->getStorageEngine();
 229         $show_comment = $pma_table->getComment();
 230     }
 231     $tbl_collation = $pma_table->getCollation();
 232     $table_info_num_rows = $pma_table->getNumRows();
 233     $row_format = $pma_table->getRowFormat();
 234     $auto_increment = $pma_table->getAutoIncrement();
 235     $create_options = $pma_table->getCreateOptions();
 236 }
 237 unset($reread_info);
 238
 239 if (isset($result) && empty($message_to_show)) {
 240     if (empty($_message)) {
 241         if (empty($sql_query)) {
 242             $_message = Message::success(__('No change'));
 243         } else {
 244             $_message = $result
 245                 ? Message::success()
 246                 : Message::error();
 247         }
 248
 249         if ($response->isAjax()) {
 250             $response->setRequestStatus($_message->isSuccess());
 251             $response->addJSON('message', $_message);
 252             if (!empty($sql_query)) {
 253                 $response->addJSON(
 254                     'sql_query', Util::getMessage(null, $sql_query)
 255                 );
 256             }
 257             exit;
 258         }
 259     } else {
 260         $_message = $result
 261             ? Message::success($_message)
 262             : Message::error($_message);
 263     }
 264
 265     if (! empty($warning_messages)) {
 266         $_message = new Message;
 267         $_message->addMessagesString($warning_messages);
 268         $_message->isError(true);
 269         if ($response->isAjax()) {
 270             $response->setRequestStatus(false);
 271             $response->addJSON('message', $_message);
 272             if (!empty($sql_query)) {
 273                 $response->addJSON(
 274                     'sql_query', Util::getMessage(null, $sql_query)
 275                 );
 276             }
 277             exit;
 278         }
 279         unset($warning_messages);
 280     }
 281
 282     if (empty($sql_query)) {
 283         $response->addHTML(
 284             $_message->getDisplay()
 285         );
 286     } else {
 287         $response->addHTML(
 288             Util::getMessage($_message, $sql_query)
 289         );
 290     }
 291     unset($_message);
 292 }
 293
 294 $url_params['goto']
 295     = $url_params['back']
 296         = 'tbl_operations.php';
 297
 298 /**
 299  * Get columns names
 300  */
 301 $columns = $GLOBALS['dbi']->getColumns($GLOBALS['db'], $GLOBALS['table']);
 302
 303 /**
 304  * Displays the page
 305  */
 306
 307 /**
 308  * Order the table
 309  */
 310 $hideOrderTable = false;
 311 // `ALTER TABLE ORDER BY` does not make sense for InnoDB tables that contain
 312 // a user-defined clustered index (PRIMARY KEY or NOT NULL UNIQUE index).
 313 // InnoDB always orders table rows according to such an index if one is present.
 314 if ($tbl_storage_engine == 'INNODB') {
 315     $indexes = Index::getFromTable($GLOBALS['table'], $GLOBALS['db']);
 316     foreach ($indexes as $name => $idx) {
 317         if ($name == 'PRIMARY') {
 318             $hideOrderTable = true;
 319             break;
 320         } elseif (! $idx->getNonUnique()) {
 321             $notNull = true;
 322             foreach ($idx->getColumns() as $column) {
 323                 if ($column->getNull()) {
 324                     $notNull = false;
 325                     break;
 326                 }
 327             }
 328             if ($notNull) {
 329                 $hideOrderTable = true;
 330                 break;
 331             }
 332         }
 333     }
 334 }
 335 if (! $hideOrderTable) {
 336     $response->addHTML(Operations::getHtmlForOrderTheTable($columns));
 337 }
 338
 339 /**
 340  * Move table
 341  */
 342 $response->addHTML(Operations::getHtmlForMoveTable());
 343
 344 if (mb_strstr($show_comment, '; InnoDB free') === false) {
 345     if (mb_strstr($show_comment, 'InnoDB free') === false) {
 346         // only user entered comment
 347         $comment = $show_comment;
 348     } else {
 349         // here we have just InnoDB generated part
 350         $comment = '';
 351     }
 352 } else {
 353     // remove InnoDB comment from end, just the minimal part (*? is non greedy)
 354     $comment = preg_replace('@; InnoDB free:.*?$@', '', $show_comment);
 355 }
 356
 357 // PACK_KEYS: MyISAM or ISAM
 358 // DELAY_KEY_WRITE, CHECKSUM, : MyISAM only
 359 // AUTO_INCREMENT: MyISAM and InnoDB since 5.0.3, PBXT
 360
 361 // Here should be version check for InnoDB, however it is supported
 362 // in >5.0.4, >4.1.12 and >4.0.11, so I decided not to
 363 // check for version
 364
 365 $response->addHTML(
 366     Operations::getTableOptionDiv(
 367         $pma_table, $comment, $tbl_collation, $tbl_storage_engine,
 368         $create_options['pack_keys'],
 369         $auto_increment,
 370         (empty($create_options['delay_key_write']) ? '0' : '1'),
 371         ((isset($create_options['transactional']) && $create_options['transactional'] == '0') ? '0' : '1'),
 372         ((isset($create_options['page_checksum'])) ? $create_options['page_checksum'] : ''),
 373         (empty($create_options['checksum']) ? '0' : '1')
 374     )
 375 );
 376
 377 /**
 378  * Copy table
 379  */
 380 $response->addHTML(Operations::getHtmlForCopytable());
 381
 382 /**
 383  * Table maintenance
 384  */
 385 $response->addHTML(
 386     Operations::getHtmlForTableMaintenance($pma_table, $url_params)
 387 );
 388
 389 if (! (isset($db_is_system_schema) && $db_is_system_schema)) {
 390     $truncate_table_url_params = array();
 391     $drop_table_url_params = array();
 392
 393     if (! $tbl_is_view
 394         && ! (isset($db_is_system_schema) && $db_is_system_schema)
 395     ) {
 396         $this_sql_query = 'TRUNCATE TABLE '
 397             . Util::backquote($GLOBALS['table']);
 398         $truncate_table_url_params = array_merge(
 399             $url_params,
 400             array(
 401                 'sql_query' => $this_sql_query,
 402                 'goto' => 'tbl_structure.php',
 403                 'reload' => '1',
 404                 'message_to_show' => sprintf(
 405                     __('Table %s has been emptied.'),
 406                     htmlspecialchars($table)
 407                 ),
 408             )
 409         );
 410     }
 411     if (! (isset($db_is_system_schema) && $db_is_system_schema)) {
 412         $this_sql_query = 'DROP TABLE '
 413             . Util::backquote($GLOBALS['table']);
 414         $drop_table_url_params = array_merge(
 415             $url_params,
 416             array(
 417                 'sql_query' => $this_sql_query,
 418                 'goto' => 'db_operations.php',
 419                 'reload' => '1',
 420                 'purge' => '1',
 421                 'message_to_show' => sprintf(
 422                     ($tbl_is_view
 423                         ? __('View %s has been dropped.')
 424                         : __('Table %s has been dropped.')
 425                     ),
 426                     htmlspecialchars($table)
 427                 ),
 428                 // table name is needed to avoid running
 429                 // PMA_relationsCleanupDatabase() on the whole db later
 430                 'table' => $GLOBALS['table'],
 431             )
 432         );
 433     }
 434     $response->addHTML(
 435         Operations::getHtmlForDeleteDataOrTable(
 436             $truncate_table_url_params,
 437             $drop_table_url_params
 438         )
 439     );
 440 }
 441
 442 if (Partition::havePartitioning()) {
 443     $partition_names = Partition::getPartitionNames($db, $table);
 444     // show the Partition maintenance section only if we detect a partition
 445     if (! is_null($partition_names[0])) {
 446         $response->addHTML(
 447             Operations::getHtmlForPartitionMaintenance($partition_names, $url_params)
 448         );
 449     } // end if
 450 } // end if
 451 unset($partition_names);
 452
 453 // Referential integrity check
 454 // The Referential integrity check was intended for the non-InnoDB
 455 // tables for which the relations are defined in pmadb
 456 // so I assume that if the current table is InnoDB, I don't display
 457 // this choice (InnoDB maintains integrity by itself)
 458
 459 if ($cfgRelation['relwork'] && ! $pma_table->isEngine("INNODB")) {
 460     $GLOBALS['dbi']->selectDb($GLOBALS['db']);
 461     $foreign = Relation::getForeigners($GLOBALS['db'], $GLOBALS['table'], '', 'internal');
 462
 463     if (! empty($foreign)) {
 464         $response->addHTML(
 465             Operations::getHtmlForReferentialIntegrityCheck($foreign, $url_params)
 466         );
 467     } // end if ($foreign)
 468
 469 } // end  if (!empty($cfg['Server']['relation']))