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