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         if ($pma_table->rename($_REQUEST['new_name'])) {
 113             $_message .= $pma_table->getLastMessage();
 114             $result = true;
 115             $GLOBALS['table'] = $pma_table->getName();
 116             $reread_info = true;
 117             $reload = true;
 118         } else {
 119             $_message .= $pma_table->getLastError();
 120             $result = false;
 121         }
 122     }
 123
 124     if (! empty($_REQUEST['new_tbl_storage_engine'])
 125         && /*overload*/mb_strtolower($_REQUEST['new_tbl_storage_engine']) !== /*overload*/mb_strtolower($tbl_storage_engine)
 126     ) {
 127         $new_tbl_storage_engine = $_REQUEST['new_tbl_storage_engine'];
 128         // reset the globals for the new engine
 129         list($is_myisam_or_aria, $is_innodb, $is_isam,
 130             $is_berkeleydb, $is_aria, $is_pbxt
 131         ) = PMA_setGlobalVariablesForEngine($new_tbl_storage_engine);
 132
 133         if ($is_aria) {
 134             $transactional = (isset($transactional) && $transactional == '0')
 135                 ? '0'
 136                 : '1';
 137             $page_checksum = (isset($page_checksum)) ? $page_checksum : '';
 138         }
 139     } else {
 140         $new_tbl_storage_engine = '';
 141     }
 142
 143     $table_alters = PMA_getTableAltersArray(
 144         $is_myisam_or_aria, $is_isam, $pack_keys,
 145         (empty($checksum) ? '0' : '1'),
 146         $is_aria,
 147         ((isset($page_checksum)) ? $page_checksum : ''),
 148         (empty($delay_key_write) ? '0' : '1'),
 149         $is_innodb, $is_pbxt, $row_format,
 150         $new_tbl_storage_engine,
 151         ((isset($transactional) && $transactional == '0') ? '0' : '1'),
 152         $tbl_collation
 153     );
 154
 155     if (count($table_alters) > 0) {
 156         $sql_query      = 'ALTER TABLE '
 157             . PMA_Util::backquote($GLOBALS['table']);
 158         $sql_query     .= "\r\n" . implode("\r\n", $table_alters);
 159         $sql_query     .= ';';
 160         $result        .= $GLOBALS['dbi']->query($sql_query) ? true : false;
 161         $reread_info    = true;
 162         unset($table_alters);
 163         $warning_messages = PMA_getWarningMessagesArray();
 164     }
 165 }
 166 /**
 167  * Reordering the table has been requested by the user
 168  */
 169 if (isset($_REQUEST['submitorderby']) && ! empty($_REQUEST['order_field'])) {
 170     list($sql_query, $result) = PMA_getQueryAndResultForReorderingTable();
 171 } // end if
 172
 173 /**
 174  * A partition operation has been requested by the user
 175  */
 176 $sql_query = '';
 177
 178 if (isset($_REQUEST['submit_partition'])
 179     && ! empty($_REQUEST['partition_operation'])
 180 ) {
 181     list($sql_query, $result) = PMA_getQueryAndResultForPartition();
 182 } // end if
 183
 184 if ($reread_info) {
 185     // to avoid showing the old value (for example the AUTO_INCREMENT) after
 186     // a change, clear the cache
 187     PMA_Table::$cache = array();
 188     $page_checksum = $checksum = $delay_key_write = 0;
 189     include 'libraries/tbl_info.inc.php';
 190 }
 191 unset($reread_info);
 192
 193 if (isset($result) && empty($message_to_show)) {
 194     // set to success by default, because result set could be empty
 195     // (for example, a table rename)
 196     $_type = 'success';
 197     if (empty($_message)) {
 198         $_message = $result
 199             ? PMA_Message::success(
 200                 __('Your SQL query has been executed successfully.')
 201             )
 202             : PMA_Message::error(__('Error'));
 203         // $result should exist, regardless of $_message
 204         $_type = $result ? 'success' : 'error';
 205
 206         if (isset($GLOBALS['ajax_request'])
 207             && $GLOBALS['ajax_request'] == true
 208         ) {
 209             $response = PMA_Response::getInstance();
 210             $response->isSuccess($_message->isSuccess());
 211             $response->addJSON('message', $_message);
 212             $response->addJSON(
 213                 'sql_query', PMA_Util::getMessage(null, $sql_query)
 214             );
 215             exit;
 216         }
 217     }
 218     if (! empty($warning_messages)) {
 219         $_message = new PMA_Message;
 220         $_message->addMessages($warning_messages);
 221         $_message->isError(true);
 222         if ($GLOBALS['ajax_request'] == true) {
 223             $response = PMA_Response::getInstance();
 224             $response->isSuccess(false);
 225             $response->addJSON('message', $_message);
 226             exit;
 227         }
 228         unset($warning_messages);
 229     }
 230
 231     $response->addHTML(
 232         PMA_Util::getMessage($_message, $sql_query, $_type)
 233     );
 234     unset($_message, $_type);
 235 }
 236
 237 $url_params['goto']
 238     = $url_params['back']
 239         = 'tbl_operations.php';
 240
 241 /**
 242  * Get columns names
 243  */
 244 $columns = $GLOBALS['dbi']->getColumns($GLOBALS['db'], $GLOBALS['table']);
 245
 246 /**
 247  * Displays the page
 248  */
 249 $response->addHTML('<div id="boxContainer" data-box-width="300">');
 250
 251 /**
 252  * Order the table
 253  */
 254 $hideOrderTable = false;
 255 // `ALTER TABLE ORDER BY` does not make sense for InnoDB tables that contain
 256 // a user-defined clustered index (PRIMARY KEY or NOT NULL UNIQUE index).
 257 // InnoDB always orders table rows according to such an index if one is present.
 258 if ($tbl_storage_engine == 'INNODB') {
 259     include_once 'libraries/Index.class.php';
 260     $indexes = PMA_Index::getFromTable($GLOBALS['table'], $GLOBALS['db']);
 261     foreach ($indexes as $name => $idx) {
 262         if ($name == 'PRIMARY') {
 263             $hideOrderTable = true;
 264             break;
 265         } elseif (! $idx->getNonUnique()) {
 266             $notNull = true;
 267             foreach ($idx->getColumns() as $column) {
 268                 if ($column->getNull()) {
 269                     $notNull = false;
 270                     break;
 271                 }
 272             }
 273             if ($notNull) {
 274                 $hideOrderTable = true;
 275                 break;
 276             }
 277         }
 278     }
 279 }
 280 if (! $hideOrderTable) {
 281     $response->addHTML(PMA_getHtmlForOrderTheTable($columns));
 282 }
 283
 284 /**
 285  * Move table
 286  */
 287 $response->addHTML(PMA_getHtmlForMoveTable());
 288
 289 if (/*overload*/mb_strstr($show_comment, '; InnoDB free') === false) {
 290     if (/*overload*/mb_strstr($show_comment, 'InnoDB free') === false) {
 291         // only user entered comment
 292         $comment = $show_comment;
 293     } else {
 294         // here we have just InnoDB generated part
 295         $comment = '';
 296     }
 297 } else {
 298     // remove InnoDB comment from end, just the minimal part (*? is non greedy)
 299     $comment = preg_replace('@; InnoDB free:.*?$@', '', $show_comment);
 300 }
 301
 302 // PACK_KEYS: MyISAM or ISAM
 303 // DELAY_KEY_WRITE, CHECKSUM, : MyISAM only
 304 // AUTO_INCREMENT: MyISAM and InnoDB since 5.0.3, PBXT
 305
 306 // Here should be version check for InnoDB, however it is supported
 307 // in >5.0.4, >4.1.12 and >4.0.11, so I decided not to
 308 // check for version
 309
 310 $response->addHTML(
 311     PMA_getTableOptionDiv(
 312         $comment, $tbl_collation, $tbl_storage_engine,
 313         $is_myisam_or_aria, $is_isam, $pack_keys,
 314         $auto_increment,
 315         (empty($delay_key_write) ? '0' : '1'),
 316         ((isset($transactional) && $transactional == '0') ? '0' : '1'),
 317         ((isset($page_checksum)) ? $page_checksum : ''),
 318         $is_innodb, $is_pbxt, $is_aria, (empty($checksum) ? '0' : '1')
 319     )
 320 );
 321
 322 /**
 323  * Copy table
 324  */
 325 $response->addHTML(PMA_getHtmlForCopytable());
 326
 327 /**
 328  * Table maintenance
 329  */
 330 $response->addHTML(
 331     PMA_getHtmlForTableMaintenance(
 332         $is_myisam_or_aria,
 333         $is_innodb,
 334         $is_berkeleydb,
 335         $url_params
 336     )
 337 );
 338
 339 if (! (isset($db_is_system_schema) && $db_is_system_schema)) {
 340     $truncate_table_url_params = array();
 341     $drop_table_url_params = array();
 342
 343     if (! $tbl_is_view
 344         && ! (isset($db_is_system_schema) && $db_is_system_schema)
 345     ) {
 346         $this_sql_query = 'TRUNCATE TABLE '
 347             . PMA_Util::backquote($GLOBALS['table']);
 348         $truncate_table_url_params = array_merge(
 349             $url_params,
 350             array(
 351                 'sql_query' => $this_sql_query,
 352                 'goto' => 'tbl_structure.php',
 353                 'reload' => '1',
 354                 'message_to_show' => sprintf(
 355                     __('Table %s has been emptied.'),
 356                     htmlspecialchars($table)
 357                 ),
 358             )
 359         );
 360     }
 361     if (! (isset($db_is_system_schema) && $db_is_system_schema)) {
 362         $this_sql_query = 'DROP TABLE '
 363             . PMA_Util::backquote($GLOBALS['table']);
 364         $drop_table_url_params = array_merge(
 365             $url_params,
 366             array(
 367                 'sql_query' => $this_sql_query,
 368                 'goto' => 'db_operations.php',
 369                 'reload' => '1',
 370                 'purge' => '1',
 371                 'message_to_show' => sprintf(
 372                     ($tbl_is_view
 373                         ? __('View %s has been dropped.')
 374                         : __('Table %s has been dropped.')
 375                     ),
 376                     htmlspecialchars($table)
 377                 ),
 378                 // table name is needed to avoid running
 379                 // PMA_relationsCleanupDatabase() on the whole db later
 380                 'table' => $GLOBALS['table'],
 381             )
 382         );
 383     }
 384     $response->addHTML(
 385         PMA_getHtmlForDeleteDataOrTable(
 386             $truncate_table_url_params,
 387             $drop_table_url_params
 388         )
 389     );
 390 }
 391
 392 if (PMA_Partition::havePartitioning()) {
 393     $partition_names = PMA_Partition::getPartitionNames($db, $table);
 394     // show the Partition maintenance section only if we detect a partition
 395     if (! is_null($partition_names[0])) {
 396         $response->addHTML(
 397             PMA_getHtmlForPartitionMaintenance($partition_names, $url_params)
 398         );
 399     } // end if
 400 } // end if
 401 unset($partition_names);
 402
 403 // Referential integrity check
 404 // The Referential integrity check was intended for the non-InnoDB
 405 // tables for which the relations are defined in pmadb
 406 // so I assume that if the current table is InnoDB, I don't display
 407 // this choice (InnoDB maintains integrity by itself)
 408
 409 if ($cfgRelation['relwork'] && ! $is_innodb) {
 410     $GLOBALS['dbi']->selectDb($GLOBALS['db']);
 411     $foreign = PMA_getForeigners($GLOBALS['db'], $GLOBALS['table'], '', 'internal');
 412
 413     if ($foreign) {
 414         $response->addHTML(
 415             PMA_getHtmlForReferentialIntegrityCheck($foreign, $url_params)
 416         );
 417     } // end if ($foreign)
 418
 419 } // end  if (!empty($cfg['Server']['relation']))
 420
 421 $response->addHTML('</div>');
 422
 423 ?>