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.inc.php';
  26
  27 // lower_case_table_names=1 `DB` becomes `db`
  28 $lowerCaseNames = $GLOBALS['dbi']->getLowerCaseNames() === '1';
  29
  30 if ($lowerCaseNames) {
  31     $GLOBALS['table'] = mb_strtolower(
  32         $GLOBALS['table']
  33     );
  34 }
  35
  36 $pma_table = new Table($GLOBALS['table'], $GLOBALS['db']);
  37
  38 /**
  39  * Load JavaScript files
  40  */
  41 $response = Response::getInstance();
  42 $header   = $response->getHeader();
  43 $scripts  = $header->getScripts();
  44 $scripts->addFile('tbl_operations.js');
  45
  46 /**
  47  * Runs common work
  48  */
  49 require 'libraries/tbl_common.inc.php';
  50 $url_query .= '&amp;goto=tbl_operations.php&amp;back=tbl_operations.php';
  51 $url_params['goto'] = $url_params['back'] = 'tbl_operations.php';
  52
  53 /**
  54  * Gets relation settings
  55  */
  56 $relation = new Relation();
  57 $cfgRelation = $relation->getRelationsParam();
  58
  59 // reselect current db (needed in some cases probably due to
  60 // the calling of PhpMyAdmin\Relation)
  61 $GLOBALS['dbi']->selectDb($GLOBALS['db']);
  62
  63 /**
  64  * Gets tables information
  65  */
  66 $pma_table = $GLOBALS['dbi']->getTable(
  67     $GLOBALS['db'],
  68     $GLOBALS['table']
  69 );
  70 $reread_info = $pma_table->getStatusInfo(null, false);
  71 $GLOBALS['showtable'] = $pma_table->getStatusInfo(null, (isset($reread_info) && $reread_info ? true : false));
  72 if ($pma_table->isView()) {
  73     $tbl_is_view = true;
  74     $tbl_storage_engine = __('View');
  75     $show_comment = null;
  76 } else {
  77     $tbl_is_view = false;
  78     $tbl_storage_engine = $pma_table->getStorageEngine();
  79     $show_comment = $pma_table->getComment();
  80 }
  81 $tbl_collation = $pma_table->getCollation();
  82 $table_info_num_rows = $pma_table->getNumRows();
  83 $row_format = $pma_table->getRowFormat();
  84 $auto_increment = $pma_table->getAutoIncrement();
  85 $create_options = $pma_table->getCreateOptions();
  86
  87 // set initial value of these variables, based on the current table engine
  88 if ($pma_table->isEngine('ARIA')) {
  89     // the value for transactional can be implicit
  90     // (no create option found, in this case it means 1)
  91     // or explicit (option found with a value of 0 or 1)
  92     // ($create_options['transactional'] may have been set by Table class,
  93     // from the $create_options)
  94     $create_options['transactional'] = (isset($create_options['transactional']) && $create_options['transactional'] == '0')
  95         ? '0'
  96         : '1';
  97     $create_options['page_checksum'] = (isset($create_options['page_checksum'])) ? $create_options['page_checksum'] : '';
  98 }
  99
 100 $pma_table = $GLOBALS['dbi']->getTable(
 101     $GLOBALS['db'],
 102     $GLOBALS['table']
 103 );
 104 $reread_info = false;
 105 $table_alters = array();
 106
 107 $operations = new Operations();
 108
 109 /**
 110  * If the table has to be moved to some other database
 111  */
 112 if (isset($_POST['submit_move']) || isset($_POST['submit_copy'])) {
 113     //$_message = '';
 114     $operations->moveOrCopyTable($db, $table);
 115     // This was ended in an Ajax call
 116     exit;
 117 }
 118 /**
 119  * If the table has to be maintained
 120  */
 121 if (isset($_POST['table_maintenance'])) {
 122     include_once 'sql.php';
 123     unset($result);
 124 }
 125 /**
 126  * Updates table comment, type and options if required
 127  */
 128 if (isset($_POST['submitoptions'])) {
 129     $_message = '';
 130     $warning_messages = array();
 131
 132     if (isset($_POST['new_name'])) {
 133         // lower_case_table_names=1 `DB` becomes `db`
 134         if ($lowerCaseNames) {
 135             $_POST['new_name'] = mb_strtolower(
 136                 $_POST['new_name']
 137             );
 138         }
 139         // Get original names before rename operation
 140         $oldTable = $pma_table->getName();
 141         $oldDb = $pma_table->getDbName();
 142
 143         if ($pma_table->rename($_POST['new_name'])) {
 144             if (isset($_POST['adjust_privileges'])
 145                 && ! empty($_POST['adjust_privileges'])
 146             ) {
 147                 $operations->adjustPrivilegesRenameOrMoveTable(
 148                     $oldDb, $oldTable, $_POST['db'], $_POST['new_name']
 149                 );
 150             }
 151
 152             // Reselect the original DB
 153             $GLOBALS['db'] = $oldDb;
 154             $GLOBALS['dbi']->selectDb($oldDb);
 155             $_message .= $pma_table->getLastMessage();
 156             $result = true;
 157             $GLOBALS['table'] = $pma_table->getName();
 158             $reread_info = true;
 159             $reload = true;
 160         } else {
 161             $_message .= $pma_table->getLastError();
 162             $result = false;
 163         }
 164     }
 165
 166     if (! empty($_POST['new_tbl_storage_engine'])
 167         && mb_strtoupper($_POST['new_tbl_storage_engine']) !== $tbl_storage_engine
 168     ) {
 169         $new_tbl_storage_engine = mb_strtoupper($_POST['new_tbl_storage_engine']);
 170
 171         if ($pma_table->isEngine('ARIA')) {
 172             $create_options['transactional'] = (isset($create_options['transactional']) && $create_options['transactional'] == '0')
 173                 ? '0'
 174                 : '1';
 175             $create_options['page_checksum'] = (isset($create_options['page_checksum'])) ? $create_options['page_checksum'] : '';
 176         }
 177     } else {
 178         $new_tbl_storage_engine = '';
 179     }
 180
 181     $row_format = (isset($create_options['row_format']))
 182         ? $create_options['row_format']
 183         : $pma_table->getRowFormat();
 184
 185     $table_alters = $operations->getTableAltersArray(
 186         $pma_table,
 187         $create_options['pack_keys'],
 188         (empty($create_options['checksum']) ? '0' : '1'),
 189         ((isset($create_options['page_checksum'])) ? $create_options['page_checksum'] : ''),
 190         (empty($create_options['delay_key_write']) ? '0' : '1'),
 191         $row_format,
 192         $new_tbl_storage_engine,
 193         ((isset($create_options['transactional']) && $create_options['transactional'] == '0') ? '0' : '1'),
 194         $tbl_collation
 195     );
 196
 197     if (count($table_alters) > 0) {
 198         $sql_query      = 'ALTER TABLE '
 199             . Util::backquote($GLOBALS['table']);
 200         $sql_query     .= "\r\n" . implode("\r\n", $table_alters);
 201         $sql_query     .= ';';
 202         $result        .= $GLOBALS['dbi']->query($sql_query) ? true : false;
 203         $reread_info    = true;
 204         unset($table_alters);
 205         $warning_messages = $operations->getWarningMessagesArray();
 206     }
 207
 208     if (isset($_POST['tbl_collation'])
 209         && ! empty($_POST['tbl_collation'])
 210         && isset($_POST['change_all_collations'])
 211         && ! empty($_POST['change_all_collations'])
 212     ) {
 213         $operations->changeAllColumnsCollation(
 214             $GLOBALS['db'], $GLOBALS['table'], $_POST['tbl_collation']
 215         );
 216     }
 217 }
 218 /**
 219  * Reordering the table has been requested by the user
 220  */
 221 if (isset($_POST['submitorderby']) && ! empty($_POST['order_field'])) {
 222     list($sql_query, $result) = $operations->getQueryAndResultForReorderingTable();
 223 } // end if
 224
 225 /**
 226  * A partition operation has been requested by the user
 227  */
 228 if (isset($_POST['submit_partition'])
 229     && ! empty($_POST['partition_operation'])
 230 ) {
 231     list($sql_query, $result) = $operations->getQueryAndResultForPartition();
 232 } // end if
 233
 234 if ($reread_info) {
 235     // to avoid showing the old value (for example the AUTO_INCREMENT) after
 236     // a change, clear the cache
 237     $GLOBALS['dbi']->clearTableCache();
 238     $GLOBALS['dbi']->selectDb($GLOBALS['db']);
 239     $GLOBALS['showtable'] = $pma_table->getStatusInfo(null, true);
 240     if ($pma_table->isView()) {
 241         $tbl_is_view = true;
 242         $tbl_storage_engine = __('View');
 243         $show_comment = null;
 244     } else {
 245         $tbl_is_view = false;
 246         $tbl_storage_engine = $pma_table->getStorageEngine();
 247         $show_comment = $pma_table->getComment();
 248     }
 249     $tbl_collation = $pma_table->getCollation();
 250     $table_info_num_rows = $pma_table->getNumRows();
 251     $row_format = $pma_table->getRowFormat();
 252     $auto_increment = $pma_table->getAutoIncrement();
 253     $create_options = $pma_table->getCreateOptions();
 254 }
 255 unset($reread_info);
 256
 257 if (isset($result) && empty($message_to_show)) {
 258     if (empty($_message)) {
 259         if (empty($sql_query)) {
 260             $_message = Message::success(__('No change'));
 261         } else {
 262             $_message = $result
 263                 ? Message::success()
 264                 : Message::error();
 265         }
 266
 267         if ($response->isAjax()) {
 268             $response->setRequestStatus($_message->isSuccess());
 269             $response->addJSON('message', $_message);
 270             if (!empty($sql_query)) {
 271                 $response->addJSON(
 272                     'sql_query', Util::getMessage(null, $sql_query)
 273                 );
 274             }
 275             exit;
 276         }
 277     } else {
 278         $_message = $result
 279             ? Message::success($_message)
 280             : Message::error($_message);
 281     }
 282
 283     if (! empty($warning_messages)) {
 284         $_message = new Message;
 285         $_message->addMessagesString($warning_messages);
 286         $_message->isError(true);
 287         if ($response->isAjax()) {
 288             $response->setRequestStatus(false);
 289             $response->addJSON('message', $_message);
 290             if (!empty($sql_query)) {
 291                 $response->addJSON(
 292                     'sql_query', Util::getMessage(null, $sql_query)
 293                 );
 294             }
 295             exit;
 296         }
 297         unset($warning_messages);
 298     }
 299
 300     if (empty($sql_query)) {
 301         $response->addHTML(
 302             $_message->getDisplay()
 303         );
 304     } else {
 305         $response->addHTML(
 306             Util::getMessage($_message, $sql_query)
 307         );
 308     }
 309     unset($_message);
 310 }
 311
 312 $url_params['goto']
 313     = $url_params['back']
 314         = 'tbl_operations.php';
 315
 316 /**
 317  * Get columns names
 318  */
 319 $columns = $GLOBALS['dbi']->getColumns($GLOBALS['db'], $GLOBALS['table']);
 320
 321 /**
 322  * Displays the page
 323  */
 324
 325 /**
 326  * Order the table
 327  */
 328 $hideOrderTable = false;
 329 // `ALTER TABLE ORDER BY` does not make sense for InnoDB tables that contain
 330 // a user-defined clustered index (PRIMARY KEY or NOT NULL UNIQUE index).
 331 // InnoDB always orders table rows according to such an index if one is present.
 332 if ($tbl_storage_engine == 'INNODB') {
 333     $indexes = Index::getFromTable($GLOBALS['table'], $GLOBALS['db']);
 334     foreach ($indexes as $name => $idx) {
 335         if ($name == 'PRIMARY') {
 336             $hideOrderTable = true;
 337             break;
 338         } elseif (! $idx->getNonUnique()) {
 339             $notNull = true;
 340             foreach ($idx->getColumns() as $column) {
 341                 if ($column->getNull()) {
 342                     $notNull = false;
 343                     break;
 344                 }
 345             }
 346             if ($notNull) {
 347                 $hideOrderTable = true;
 348                 break;
 349             }
 350         }
 351     }
 352 }
 353 if (! $hideOrderTable) {
 354     $response->addHTML($operations->getHtmlForOrderTheTable($columns));
 355 }
 356
 357 /**
 358  * Move table
 359  */
 360 $response->addHTML($operations->getHtmlForMoveTable());
 361
 362 if (mb_strstr($show_comment, '; InnoDB free') === false) {
 363     if (mb_strstr($show_comment, 'InnoDB free') === false) {
 364         // only user entered comment
 365         $comment = $show_comment;
 366     } else {
 367         // here we have just InnoDB generated part
 368         $comment = '';
 369     }
 370 } else {
 371     // remove InnoDB comment from end, just the minimal part (*? is non greedy)
 372     $comment = preg_replace('@; InnoDB free:.*?$@', '', $show_comment);
 373 }
 374
 375 // PACK_KEYS: MyISAM or ISAM
 376 // DELAY_KEY_WRITE, CHECKSUM, : MyISAM only
 377 // AUTO_INCREMENT: MyISAM and InnoDB since 5.0.3, PBXT
 378
 379 // Here should be version check for InnoDB, however it is supported
 380 // in >5.0.4, >4.1.12 and >4.0.11, so I decided not to
 381 // check for version
 382
 383 $response->addHTML(
 384     $operations->getTableOptionDiv(
 385         $pma_table, $comment, $tbl_collation, $tbl_storage_engine,
 386         $create_options['pack_keys'],
 387         $auto_increment,
 388         (empty($create_options['delay_key_write']) ? '0' : '1'),
 389         ((isset($create_options['transactional']) && $create_options['transactional'] == '0') ? '0' : '1'),
 390         ((isset($create_options['page_checksum'])) ? $create_options['page_checksum'] : ''),
 391         (empty($create_options['checksum']) ? '0' : '1')
 392     )
 393 );
 394
 395 /**
 396  * Copy table
 397  */
 398 $response->addHTML($operations->getHtmlForCopytable());
 399
 400 /**
 401  * Table maintenance
 402  */
 403 $response->addHTML(
 404     $operations->getHtmlForTableMaintenance($pma_table, $url_params)
 405 );
 406
 407 if (! (isset($db_is_system_schema) && $db_is_system_schema)) {
 408     $truncate_table_url_params = array();
 409     $drop_table_url_params = array();
 410
 411     if (! $tbl_is_view
 412         && ! (isset($db_is_system_schema) && $db_is_system_schema)
 413     ) {
 414         $this_sql_query = 'TRUNCATE TABLE '
 415             . Util::backquote($GLOBALS['table']);
 416         $truncate_table_url_params = array_merge(
 417             $url_params,
 418             array(
 419                 'sql_query' => $this_sql_query,
 420                 'goto' => 'tbl_structure.php',
 421                 'reload' => '1',
 422                 'message_to_show' => sprintf(
 423                     __('Table %s has been emptied.'),
 424                     htmlspecialchars($table)
 425                 ),
 426             )
 427         );
 428     }
 429     if (! (isset($db_is_system_schema) && $db_is_system_schema)) {
 430         $this_sql_query = 'DROP TABLE '
 431             . Util::backquote($GLOBALS['table']);
 432         $drop_table_url_params = array_merge(
 433             $url_params,
 434             array(
 435                 'sql_query' => $this_sql_query,
 436                 'goto' => 'db_operations.php',
 437                 'reload' => '1',
 438                 'purge' => '1',
 439                 'message_to_show' => sprintf(
 440                     ($tbl_is_view
 441                         ? __('View %s has been dropped.')
 442                         : __('Table %s has been dropped.')
 443                     ),
 444                     htmlspecialchars($table)
 445                 ),
 446                 // table name is needed to avoid running
 447                 // PhpMyAdmin\RelationCleanup::database() on the whole db later
 448                 'table' => $GLOBALS['table'],
 449             )
 450         );
 451     }
 452     $response->addHTML(
 453         $operations->getHtmlForDeleteDataOrTable(
 454             $truncate_table_url_params,
 455             $drop_table_url_params
 456         )
 457     );
 458 }
 459
 460 if (Partition::havePartitioning()) {
 461     $partition_names = Partition::getPartitionNames($db, $table);
 462     // show the Partition maintenance section only if we detect a partition
 463     if (! is_null($partition_names[0])) {
 464         $response->addHTML(
 465             $operations->getHtmlForPartitionMaintenance($partition_names, $url_params)
 466         );
 467     } // end if
 468 } // end if
 469 unset($partition_names);
 470
 471 // Referential integrity check
 472 // The Referential integrity check was intended for the non-InnoDB
 473 // tables for which the relations are defined in pmadb
 474 // so I assume that if the current table is InnoDB, I don't display
 475 // this choice (InnoDB maintains integrity by itself)
 476
 477 if ($cfgRelation['relwork'] && ! $pma_table->isEngine("INNODB")) {
 478     $GLOBALS['dbi']->selectDb($GLOBALS['db']);
 479     $foreign = $relation->getForeigners($GLOBALS['db'], $GLOBALS['table'], '', 'internal');
 480
 481     if (! empty($foreign)) {
 482         $response->addHTML(
 483             $operations->getHtmlForReferentialIntegrityCheck($foreign, $url_params)
 484         );
 485     } // end if ($foreign)
 486
 487 } // end  if (!empty($cfg['Server']['relation']))