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