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
   9 /**
  10  *
  11  */
  12 require_once 'libraries/common.inc.php';
  13
  14 /**
  15  * functions implementation for this script
  16  */
  17 require_once 'libraries/operations.lib.php';
  18
  19 $pma_table = new PMA_Table($GLOBALS['table'], $GLOBALS['db']);
  20
  21 /**
  22  * Load JavaScript files
  23  */
  24 $response = PMA_Response::getInstance();
  25 $header   = $response->getHeader();
  26 $scripts  = $header->getScripts();
  27 $scripts->addFile('functions.js');
  28 $scripts->addFile('tbl_operations.js');
  29
  30 /**
  31  * Runs common work
  32  */
  33 require 'libraries/tbl_common.inc.php';
  34 $url_query .= '&amp;goto=tbl_operations.php&amp;back=tbl_operations.php';
  35 $url_params['goto'] = $url_params['back'] = 'tbl_operations.php';
  36
  37 /**
  38  * Gets relation settings
  39  */
  40 $cfgRelation = PMA_getRelationsParam();
  41
  42 /**
  43  * Gets available MySQL charsets and storage engines
  44  */
  45 require_once 'libraries/mysql_charsets.inc.php';
  46 require_once 'libraries/StorageEngine.class.php';
  47
  48 /**
  49  * Class for partition management
  50  */
  51 require_once 'libraries/Partition.class.php';
  52
  53 // reselect current db (needed in some cases probably due to
  54 // the calling of relation.lib.php)
  55 $GLOBALS['dbi']->selectDb($GLOBALS['db']);
  56
  57 /**
  58  * Gets tables informations
  59  */
  60 require 'libraries/tbl_info.inc.php';
  61
  62 // define some variables here, for improved syntax in the conditionals
  63 $is_myisam_or_aria = $is_isam = $is_innodb = $is_berkeleydb = false;
  64 $is_aria = $is_pbxt = false;
  65 // set initial value of these variables, based on the current table engine
  66 list($is_myisam_or_aria, $is_innodb, $is_isam,
  67     $is_berkeleydb, $is_aria, $is_pbxt
  68 ) = PMA_setGlobalVariablesForEngine($tbl_storage_engine);
  69
  70 if ($is_aria) {
  71     // the value for transactional can be implicit
  72     // (no create option found, in this case it means 1)
  73     // or explicit (option found with a value of 0 or 1)
  74     // ($transactional may have been set by libraries/tbl_info.inc.php,
  75     // from the $create_options)
  76     $transactional = (isset($transactional) && $transactional == '0')
  77         ? '0'
  78         : '1';
  79     $page_checksum = (isset($page_checksum)) ? $page_checksum : '';
  80 }
  81
  82 $reread_info = false;
  83 $table_alters = array();
  84
  85 /** @var PMA_String $pmaString */
  86 $pmaString = $GLOBALS['PMA_String'];
  87
  88 /**
  89  * If the table has to be moved to some other database
  90  */
  91 if (isset($_REQUEST['submit_move']) || isset($_REQUEST['submit_copy'])) {
  92     //$_message = '';
  93     PMA_moveOrCopyTable($db, $table);
  94     // This was ended in an Ajax call
  95     exit;
  96 }
  97 /**
  98  * If the table has to be maintained
  99  */
 100 if (isset($_REQUEST['table_maintenance'])) {
 101     include_once 'sql.php';
 102     unset($result);
 103 }
 104 /**
 105  * Updates table comment, type and options if required
 106  */
 107 if (isset($_REQUEST['submitoptions'])) {
 108     $_message = '';
 109     $warning_messages = array();
 110
 111     if (isset($_REQUEST['new_name'])) {
 112         // Get original names before rename operation
 113         $oldTable = $pma_table->getName();
 114         $oldDb = $pma_table->getDbName();
 115
 116         if ($pma_table->rename($_REQUEST['new_name'])) {
 117             if (isset($_REQUEST['adjust_privileges'])
 118                 && ! empty($_REQUEST['adjust_privileges'])
 119             ) {
 120                 PMA_AdjustPrivileges_renameOrMoveTable(
 121                     $oldDb, $oldTable, $_REQUEST['db'], $_REQUEST['new_name']
 122                 );
 123             }
 124
 125             // Reselect the original DB
 126             $GLOBALS['db'] = $oldDb;
 127             $GLOBALS['dbi']->selectDb($oldDb);
 128
 129             $_message .= $pma_table->getLastMessage();
 130             $result = true;
 131             $GLOBALS['table'] = $pma_table->getName();
 132             $reread_info = true;
 133             $reload = true;
 134         } else {
 135             $_message .= $pma_table->getLastError();
 136             $result = false;
 137         }
 138     }
 139
 140     if (! empty($_REQUEST['new_tbl_storage_engine'])
 141         && /*overload*/mb_strtolower($_REQUEST['new_tbl_storage_engine']) !== /*overload*/mb_strtolower($tbl_storage_engine)
 142     ) {
 143         $new_tbl_storage_engine = $_REQUEST['new_tbl_storage_engine'];
 144         // reset the globals for the new engine
 145         list($is_myisam_or_aria, $is_innodb, $is_isam,
 146             $is_berkeleydb, $is_aria, $is_pbxt
 147         ) = PMA_setGlobalVariablesForEngine($new_tbl_storage_engine);
 148
 149         if ($is_aria) {
 150             $transactional = (isset($transactional) && $transactional == '0')
 151                 ? '0'
 152                 : '1';
 153             $page_checksum = (isset($page_checksum)) ? $page_checksum : '';
 154         }
 155     } else {
 156         $new_tbl_storage_engine = '';
 157     }
 158
 159     $table_alters = PMA_getTableAltersArray(
 160         $is_myisam_or_aria, $is_isam, $pack_keys,
 161         (empty($checksum) ? '0' : '1'),
 162         $is_aria,
 163         ((isset($page_checksum)) ? $page_checksum : ''),
 164         (empty($delay_key_write) ? '0' : '1'),
 165         $is_innodb, $is_pbxt, $row_format,
 166         $new_tbl_storage_engine,
 167         ((isset($transactional) && $transactional == '0') ? '0' : '1'),
 168         $tbl_collation
 169     );
 170
 171     if (count($table_alters) > 0) {
 172         $sql_query      = 'ALTER TABLE '
 173             . PMA_Util::backquote($GLOBALS['table']);
 174         $sql_query     .= "\r\n" . implode("\r\n", $table_alters);
 175         $sql_query     .= ';';
 176         $result        .= $GLOBALS['dbi']->query($sql_query) ? true : false;
 177         $reread_info    = true;
 178         unset($table_alters);
 179         $warning_messages = PMA_getWarningMessagesArray();
 180     }
 181
 182     if (isset($_REQUEST['tbl_collation'])
 183         && ! empty($_REQUEST['tbl_collation'])
 184         && isset($_REQUEST['change_all_collations'])
 185         && ! empty($_REQUEST['change_all_collations'])
 186     ) {
 187         PMA_changeAllColumnsCollation(
 188             $GLOBALS['db'], $GLOBALS['table'], $_REQUEST['tbl_collation']
 189         );
 190     }
 191 }
 192 /**
 193  * Reordering the table has been requested by the user
 194  */
 195 if (isset($_REQUEST['submitorderby']) && ! empty($_REQUEST['order_field'])) {
 196     list($sql_query, $result) = PMA_getQueryAndResultForReorderingTable();
 197 } // end if
 198
 199 /**
 200  * A partition operation has been requested by the user
 201  */
 202 $sql_query = '';
 203
 204 if (isset($_REQUEST['submit_partition'])
 205     && ! empty($_REQUEST['partition_operation'])
 206 ) {
 207     list($sql_query, $result) = PMA_getQueryAndResultForPartition();
 208 } // end if
 209
 210 if ($reread_info) {
 211     // to avoid showing the old value (for example the AUTO_INCREMENT) after
 212     // a change, clear the cache
 213     PMA_Table::$cache = array();
 214     $page_checksum = $checksum = $delay_key_write = 0;
 215     include 'libraries/tbl_info.inc.php';
 216 }
 217 unset($reread_info);
 218
 219 if (isset($result) && empty($message_to_show)) {
 220     // set to success by default, because result set could be empty
 221     // (for example, a table rename)
 222     $_type = 'success';
 223     if (empty($_message)) {
 224         $_message = $result
 225             ? PMA_Message::success(
 226                 __('Your SQL query has been executed successfully.')
 227             )
 228             : PMA_Message::error(__('Error'));
 229         // $result should exist, regardless of $_message
 230         $_type = $result ? 'success' : 'error';
 231
 232         if (isset($GLOBALS['ajax_request'])
 233             && $GLOBALS['ajax_request'] == true
 234         ) {
 235             $response = PMA_Response::getInstance();
 236             $response->isSuccess($_message->isSuccess());
 237             $response->addJSON('message', $_message);
 238             $response->addJSON(
 239                 'sql_query', PMA_Util::getMessage(null, $sql_query)
 240             );
 241             exit;
 242         }
 243     }
 244     if (! empty($warning_messages)) {
 245         $_message = new PMA_Message;
 246         $_message->addMessages($warning_messages);
 247         $_message->isError(true);
 248         if ($GLOBALS['ajax_request'] == true) {
 249             $response = PMA_Response::getInstance();
 250             $response->isSuccess(false);
 251             $response->addJSON('message', $_message);
 252             exit;
 253         }
 254         unset($warning_messages);
 255     }
 256
 257     $response->addHTML(
 258         PMA_Util::getMessage($_message, $sql_query, $_type)
 259     );
 260     unset($_message, $_type);
 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     include_once 'libraries/Index.class.php';
 286     $indexes = PMA_Index::getFromTable($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 $response->addHTML(PMA_getHtmlForMoveTable());
 314
 315 if (/*overload*/mb_strstr($show_comment, '; InnoDB free') === false) {
 316     if (/*overload*/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         $this_sql_query = 'TRUNCATE TABLE '
 373             . PMA_Util::backquote($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         $this_sql_query = 'DROP TABLE '
 389             . PMA_Util::backquote($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 (PMA_Partition::havePartitioning()) {
 419     $partition_names = PMA_Partition::getPartitionNames($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>');