db_operations.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * handles miscellaneous db operations:
   5  *  - move/rename
   6  *  - copy
   7  *  - changing collation
   8  *  - changing comment
   9  *  - adding tables
  10  *  - viewing PDF schemas
  11  *
  12  * @package PhpMyAdmin
  13  */
  14
  15 /**
  16  * requirements
  17  */
  18 require_once 'libraries/common.inc.php';
  19 require_once 'libraries/mysql_charsets.inc.php';
  20
  21 /**
  22  * functions implementation for this script
  23  */
  24 require_once 'libraries/operations.lib.php';
  25
  26 // add a javascript file for jQuery functions to handle Ajax actions
  27 $response = PMA_Response::getInstance();
  28 $header = $response->getHeader();
  29 $scripts = $header->getScripts();
  30 $scripts->addFile('db_operations.js');
  31
  32 $sql_query = '';
  33
  34 /**
  35  * Rename/move or copy database
  36  */
  37 /** @var PMA_String $pmaString */
  38 $pmaString = $GLOBALS['PMA_String'];
  39 if (/*overload*/mb_strlen($GLOBALS['db'])
  40     && (! empty($_REQUEST['db_rename']) || ! empty($_REQUEST['db_copy']))
  41 ) {
  42     if (! empty($_REQUEST['db_rename'])) {
  43         $move = true;
  44     } else {
  45         $move = false;
  46     }
  47
  48     if (! isset($_REQUEST['newname'])
  49         || ! /*overload*/mb_strlen($_REQUEST['newname'])
  50     ) {
  51         $message = PMA_Message::error(__('The database name is empty!'));
  52     } else {
  53         $_error = false;
  54         if ($move || ! empty($_REQUEST['create_database_before_copying'])) {
  55             PMA_createDbBeforeCopy();
  56         }
  57
  58         // here I don't use DELIMITER because it's not part of the
  59         // language; I have to send each statement one by one
  60
  61         // to avoid selecting alternatively the current and new db
  62         // we would need to modify the CREATE definitions to qualify
  63         // the db name
  64         PMA_runProcedureAndFunctionDefinitions($GLOBALS['db']);
  65
  66         // go back to current db, just in case
  67         $GLOBALS['dbi']->selectDb($GLOBALS['db']);
  68
  69         $tables_full = $GLOBALS['dbi']->getTablesFull($GLOBALS['db']);
  70
  71         include_once "libraries/plugin_interface.lib.php";
  72         // remove all foreign key constraints, otherwise we can get errors
  73         $export_sql_plugin = PMA_getPlugin(
  74             "export",
  75             "sql",
  76             'libraries/plugins/export/',
  77             array(
  78                 'single_table' => isset($single_table),
  79                 'export_type'  => 'database'
  80             )
  81         );
  82
  83         // create stand-in tables for views
  84         $views = PMA_getViewsAndCreateSqlViewStandIn(
  85             $tables_full, $export_sql_plugin, $GLOBALS['db']
  86         );
  87
  88         // copy tables
  89         $sqlConstratints = PMA_copyTables(
  90             $tables_full, $move, $GLOBALS['db']
  91         );
  92
  93         // handle the views
  94         if (! $_error) {
  95             PMA_handleTheViews($views, $move, $GLOBALS['db']);
  96         }
  97         unset($views);
  98
  99         // now that all tables exist, create all the accumulated constraints
 100         if (! $_error && count($sqlConstratints) > 0) {
 101             PMA_createAllAccumulatedConstraints($sqlConstratints);
 102         }
 103         unset($sqlConstratints);
 104
 105         if (! PMA_DRIZZLE && PMA_MYSQL_INT_VERSION >= 50100) {
 106             // here DELIMITER is not used because it's not part of the
 107             // language; each statement is sent one by one
 108
 109             PMA_runEventDefinitionsForDb($GLOBALS['db']);
 110         }
 111
 112         // go back to current db, just in case
 113         $GLOBALS['dbi']->selectDb($GLOBALS['db']);
 114
 115         // Duplicate the bookmarks for this db (done once for each db)
 116         PMA_duplicateBookmarks($_error, $GLOBALS['db']);
 117
 118         if (! $_error && $move) {
 119             if (isset($_REQUEST['adjust_privileges'])
 120                 && ! empty($_REQUEST['adjust_privileges'])
 121             ) {
 122                 PMA_AdjustPrivileges_moveDB($GLOBALS['db'], $_REQUEST['newname']);
 123             }
 124
 125             /**
 126              * cleanup pmadb stuff for this db
 127              */
 128             include_once 'libraries/relation_cleanup.lib.php';
 129             PMA_relationsCleanupDatabase($GLOBALS['db']);
 130
 131             // if someday the RENAME DATABASE reappears, do not DROP
 132             $local_query = 'DROP DATABASE '
 133                 . PMA_Util::backquote($GLOBALS['db']) . ';';
 134             $sql_query .= "\n" . $local_query;
 135             $GLOBALS['dbi']->query($local_query);
 136
 137             $message = PMA_Message::success(
 138                 __('Database %1$s has been renamed to %2$s.')
 139             );
 140             $message->addParam($GLOBALS['db']);
 141             $message->addParam($_REQUEST['newname']);
 142         } elseif (! $_error) {
 143             if (isset($_REQUEST['adjust_privileges'])
 144                 && ! empty($_REQUEST['adjust_privileges'])
 145             ) {
 146                 PMA_AdjustPrivileges_copyDB($GLOBALS['db'], $_REQUEST['newname']);
 147             }
 148
 149             $message = PMA_Message::success(
 150                 __('Database %1$s has been copied to %2$s.')
 151             );
 152             $message->addParam($GLOBALS['db']);
 153             $message->addParam($_REQUEST['newname']);
 154         } else {
 155             $message = PMA_Message::error();
 156         }
 157         $reload     = true;
 158
 159         /* Change database to be used */
 160         if (! $_error && $move) {
 161             $GLOBALS['db'] = $_REQUEST['newname'];
 162         } elseif (! $_error) {
 163             if (isset($_REQUEST['switch_to_new'])
 164                 && $_REQUEST['switch_to_new'] == 'true'
 165             ) {
 166                 $GLOBALS['PMA_Config']->setCookie('pma_switch_to_new', 'true');
 167                 $GLOBALS['db'] = $_REQUEST['newname'];
 168             } else {
 169                 $GLOBALS['PMA_Config']->setCookie('pma_switch_to_new', '');
 170             }
 171         }
 172     }
 173
 174     /**
 175      * Database has been successfully renamed/moved.  If in an Ajax request,
 176      * generate the output with {@link PMA_Response} and exit
 177      */
 178     if ($GLOBALS['is_ajax_request'] == true) {
 179         $response = PMA_Response::getInstance();
 180         $response->isSuccess($message->isSuccess());
 181         $response->addJSON('message', $message);
 182         $response->addJSON('newname', $_REQUEST['newname']);
 183         $response->addJSON(
 184             'sql_query',
 185             PMA_Util::getMessage(null, $sql_query)
 186         );
 187         $response->addJSON('db', $GLOBALS['db']);
 188         exit;
 189     }
 190 }
 191
 192 /**
 193  * Settings for relations stuff
 194  */
 195
 196 $cfgRelation = PMA_getRelationsParam();
 197
 198 /**
 199  * Check if comments were updated
 200  * (must be done before displaying the menu tabs)
 201  */
 202 if (isset($_REQUEST['comment'])) {
 203     PMA_setDbComment($GLOBALS['db'], $_REQUEST['comment']);
 204 }
 205
 206 require 'libraries/db_common.inc.php';
 207 $url_query .= '&amp;goto=db_operations.php';
 208
 209 // Gets the database structure
 210 $sub_part = '_structure';
 211 require 'libraries/db_info.inc.php';
 212 echo "\n";
 213
 214 if (isset($message)) {
 215     echo PMA_Util::getMessage($message, $sql_query);
 216     unset($message);
 217 }
 218
 219 $_REQUEST['db_collation'] = PMA_getDbCollation($GLOBALS['db']);
 220 $is_information_schema = $GLOBALS['dbi']->isSystemSchema($GLOBALS['db']);
 221
 222 $response->addHTML('<div id="boxContainer" data-box-width="300">');
 223
 224 if (!$is_information_schema) {
 225     if ($cfgRelation['commwork']) {
 226         /**
 227          * database comment
 228          */
 229         $response->addHTML(PMA_getHtmlForDatabaseComment($GLOBALS['db']));
 230     }
 231
 232     $response->addHTML('<div class="operations_half_width">');
 233     ob_start();
 234     include 'libraries/display_create_table.lib.php';
 235     $content = ob_get_contents();
 236     ob_end_clean();
 237     $response->addHTML($content);
 238     $response->addHTML('</div>');
 239
 240     /**
 241      * rename database
 242      */
 243     if ($GLOBALS['db'] != 'mysql') {
 244         $response->addHTML(PMA_getHtmlForRenameDatabase($GLOBALS['db']));
 245     }
 246
 247     // Drop link if allowed
 248     // Don't even try to drop information_schema.
 249     // You won't be able to. Believe me. You won't.
 250     // Don't allow to easily drop mysql database, RFE #1327514.
 251     if (($is_superuser || $GLOBALS['cfg']['AllowUserDropDatabase'])
 252         && ! $db_is_system_schema
 253         && (PMA_DRIZZLE || $GLOBALS['db'] != 'mysql')
 254     ) {
 255         $response->addHTML(PMA_getHtmlForDropDatabaseLink($GLOBALS['db']));
 256     }
 257     /**
 258      * Copy database
 259      */
 260     $response->addHTML(PMA_getHtmlForCopyDatabase($GLOBALS['db']));
 261
 262     /**
 263      * Change database charset
 264      */
 265     $response->addHTML(PMA_getHtmlForChangeDatabaseCharset($GLOBALS['db'], $table));
 266
 267     if (! $cfgRelation['allworks']
 268         && $cfg['PmaNoRelation_DisableWarning'] == false
 269     ) {
 270         $message = PMA_Message::notice(
 271             __('The phpMyAdmin configuration storage has been deactivated. %sFind out why%s.')
 272         );
 273         $message->addParam(
 274             '<a href="' . $cfg['PmaAbsoluteUri']
 275             . 'chk_rel.php' . $url_query . '">',
 276             false
 277         );
 278         $message->addParam('</a>', false);
 279         /* Show error if user has configured something, notice elsewhere */
 280         if (!empty($cfg['Servers'][$server]['pmadb'])) {
 281             $message->isError(true);
 282         }
 283     } // end if
 284 } // end if (!$is_information_schema)
 285
 286 $response->addHTML('</div>');
 287
 288 // not sure about displaying the PDF dialog in case db is information_schema
 289 if ($cfgRelation['pdfwork'] && $num_tables > 0) {
 290     // We only show this if we find something in the new pdf_pages table
 291     $test_query = '
 292          SELECT *
 293            FROM ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
 294             . '.' . PMA_Util::backquote($cfgRelation['pdf_pages']) . '
 295           WHERE db_name = \'' . PMA_Util::sqlAddSlashes($GLOBALS['db']) . '\'';
 296     $test_rs = PMA_queryAsControlUser(
 297         $test_query,
 298         false,
 299         PMA_DatabaseInterface::QUERY_STORE
 300     );
 301 } // end if