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