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