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.lib.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 $scripts->addFile('db_operations.js');
  31
  32 /**
  33  * Rename/move or copy database
  34  */
  35 if (strlen($db)
  36     && (! empty($_REQUEST['db_rename']) || ! empty($_REQUEST['db_copy']))
  37 ) {
  38     if (! empty($_REQUEST['db_rename'])) {
  39         $move = true;
  40     } else {
  41         $move = false;
  42     }
  43
  44     if (! isset($_REQUEST['newname']) || ! strlen($_REQUEST['newname'])) {
  45         $message = PMA_Message::error(__('The database name is empty!'));
  46     } else {
  47         $sql_query = ''; // in case target db exists
  48         $_error = false;
  49         if ($move
  50             || (isset($_REQUEST['create_database_before_copying'])
  51             && $_REQUEST['create_database_before_copying'])
  52         ) {
  53             $sql_query = PMA_getSqlQueryAndCreateDbBeforeCopy();
  54         }
  55
  56         // here I don't use DELIMITER because it's not part of the
  57         // language; I have to send each statement one by one
  58
  59         // to avoid selecting alternatively the current and new db
  60         // we would need to modify the CREATE definitions to qualify
  61         // the db name
  62         PMA_runProcedureAndFunctionDefinitions($db);
  63
  64         // go back to current db, just in case
  65         PMA_DBI_select_db($db);
  66
  67         $tables_full = PMA_DBI_get_tables_full($db);
  68
  69         include_once "libraries/plugin_interface.lib.php";
  70         // remove all foreign key constraints, otherwise we can get errors
  71         $export_sql_plugin = PMA_getPlugin(
  72             "export",
  73             "sql",
  74             'libraries/plugins/export/',
  75             array(
  76                 'single_table' => isset($single_table),
  77                 'export_type'  => 'database'
  78             )
  79         );
  80         $GLOBALS['sql_constraints_query_full_db']
  81             = PMA_getSqlConstraintsQueryForFullDb(
  82                 $tables_full, $export_sql_plugin, $move, $db
  83             );
  84
  85         $views = PMA_getViewsAndCreateSqlViewStandIn(
  86             $tables_full, $export_sql_plugin, $db
  87         );
  88
  89         list($sql_query, $_error) = PMA_getSqlQueryForCopyTable(
  90             $tables_full, $sql_query, $move, $db
  91         );
  92
  93         // handle the views
  94         if (! $_error) {
  95             $_error = PMA_handleTheViews($views, $move, $db);
  96         }
  97         unset($views);
  98
  99         // now that all tables exist, create all the accumulated constraints
 100         if (! $_error && count($GLOBALS['sql_constraints_query_full_db']) > 0) {
 101             PMA_createAllAccumulatedConstraints();
 102         }
 103
 104         if (! PMA_DRIZZLE && PMA_MYSQL_INT_VERSION >= 50100) {
 105             // here DELIMITER is not used because it's not part of the
 106             // language; each statement is sent one by one
 107
 108             PMA_runEventDefinitionsForDb($db);
 109         }
 110
 111         // go back to current db, just in case
 112         PMA_DBI_select_db($db);
 113
 114         // Duplicate the bookmarks for this db (done once for each db)
 115         PMA_duplicateBookmarks($_error, $db);
 116
 117         if (! $_error && $move) {
 118             /**
 119              * cleanup pmadb stuff for this db
 120              */
 121             include_once 'libraries/relation_cleanup.lib.php';
 122             PMA_relationsCleanupDatabase($db);
 123
 124             // if someday the RENAME DATABASE reappears, do not DROP
 125             $local_query = 'DROP DATABASE ' . PMA_Util::backquote($db) . ';';
 126             $sql_query .= "\n" . $local_query;
 127             PMA_DBI_query($local_query);
 128
 129             $message = PMA_Message::success(__('Database %1$s has been renamed to %2$s'));
 130             $message->addParam($db);
 131             $message->addParam($_REQUEST['newname']);
 132         } elseif (! $_error) {
 133             $message = PMA_Message::success(__('Database %1$s has been copied to %2$s'));
 134             $message->addParam($db);
 135             $message->addParam($_REQUEST['newname']);
 136         }
 137         $reload     = true;
 138
 139         /* Change database to be used */
 140         if (! $_error && $move) {
 141             $db = $_REQUEST['newname'];
 142         } elseif (! $_error) {
 143             if (isset($_REQUEST['switch_to_new'])
 144                 && $_REQUEST['switch_to_new'] == 'true'
 145             ) {
 146                 $GLOBALS['PMA_Config']->setCookie('pma_switch_to_new', 'true');
 147                 $db = $_REQUEST['newname'];
 148             } else {
 149                 $GLOBALS['PMA_Config']->setCookie('pma_switch_to_new', '');
 150             }
 151         }
 152
 153         if ($_error && ! isset($message)) {
 154             $message = PMA_Message::error();
 155         }
 156     }
 157
 158     /**
 159      * Database has been successfully renamed/moved.  If in an Ajax request,
 160      * generate the output with {@link PMA_Response} and exit
 161      */
 162     if ($GLOBALS['is_ajax_request'] == true) {
 163         $response = PMA_Response::getInstance();
 164         $response->isSuccess($message->isSuccess());
 165         $response->addJSON('message', $message);
 166         $response->addJSON('newname', $_REQUEST['newname']);
 167         $response->addJSON(
 168             'sql_query',
 169             PMA_Util::getMessage(null, $sql_query)
 170         );
 171         exit;
 172     }
 173 }
 174
 175 /**
 176  * Settings for relations stuff
 177  */
 178
 179 $cfgRelation = PMA_getRelationsParam();
 180
 181 /**
 182  * Check if comments were updated
 183  * (must be done before displaying the menu tabs)
 184  */
 185 if (isset($_REQUEST['comment'])) {
 186     PMA_setDbComment($db, $_REQUEST['comment']);
 187 }
 188
 189 /**
 190  * Prepares the tables list if the user where not redirected to this script
 191  * because there is no table in the database ($is_info is true)
 192  */
 193 if (empty($is_info)) {
 194     include 'libraries/db_common.inc.php';
 195     $url_query .= '&amp;goto=db_operations.php';
 196
 197     // Gets the database structure
 198     $sub_part = '_structure';
 199     include 'libraries/db_info.inc.php';
 200     echo "\n";
 201
 202     if (isset($message)) {
 203         echo PMA_Util::getMessage($message, $sql_query);
 204         unset($message);
 205     }
 206 }
 207
 208 $_REQUEST['db_collation'] = PMA_getDbCollation($db);
 209 $is_information_schema = PMA_is_system_schema($db);
 210
 211 if (!$is_information_schema) {
 212     if ($cfgRelation['commwork']) {
 213         /**
 214          * database comment
 215          */
 216         $response->addHTML(PMA_getHtmlForDatabaseComment($db));
 217     }
 218
 219     $response->addHTML('<div class="operations_half_width">');
 220     ob_start();
 221     include 'libraries/display_create_table.lib.php';
 222     $content = ob_get_contents();
 223     ob_end_clean();
 224     $response->addHTML($content);
 225     $response->addHTML('</div>');
 226
 227     /**
 228      * rename database
 229      */
 230     if ($db != 'mysql') {
 231         $response->addHTML(PMA_getHtmlForRenameDatabase($db));
 232     }
 233
 234     // Drop link if allowed
 235     // Don't even try to drop information_schema.
 236     // You won't be able to. Believe me. You won't.
 237     // Don't allow to easily drop mysql database, RFE #1327514.
 238     if (($is_superuser || $GLOBALS['cfg']['AllowUserDropDatabase'])
 239         && ! $db_is_information_schema
 240         && (PMA_DRIZZLE || $db != 'mysql')
 241     ) {
 242         $response->addHTML(PMA_getHtmlForDropDatabaseLink($db));
 243     }
 244     /**
 245      * Copy database
 246      */
 247     $response->addHTML(PMA_getHtmlForCopyDatabase($db));
 248
 249     /**
 250      * Change database charset
 251      */
 252     $response->addHTML(PMA_getHtmlForChangeDatabaseCharset($db, $table));
 253
 254     if ($num_tables > 0
 255         && ! $cfgRelation['allworks']
 256         && $cfg['PmaNoRelation_DisableWarning'] == false
 257     ) {
 258         $message = PMA_Message::notice(
 259             __('The phpMyAdmin configuration storage has been deactivated. To find out why click %shere%s.')
 260         );
 261         $message->addParam(
 262             '<a href="' . $cfg['PmaAbsoluteUri'] . 'chk_rel.php?' . $url_query . '">',
 263             false
 264         );
 265         $message->addParam('</a>', false);
 266         /* Show error if user has configured something, notice elsewhere */
 267         if (!empty($cfg['Servers'][$server]['pmadb'])) {
 268             $message->isError(true);
 269         }
 270         $response->addHTML('<div class="operations_full_width">');
 271         $response->addHTML($message->getDisplay());
 272         $response->addHTML('</div>');
 273     } // end if
 274 } // end if (!$is_information_schema)
 275
 276
 277 // not sure about displaying the PDF dialog in case db is information_schema
 278 if ($cfgRelation['pdfwork'] && $num_tables > 0) {
 279     // We only show this if we find something in the new pdf_pages table
 280     $test_query = '
 281          SELECT *
 282            FROM ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db'])
 283             . '.' . PMA_Util::backquote($cfgRelation['pdf_pages']) . '
 284           WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\'';
 285     $test_rs    = PMA_queryAsControlUser($test_query, null, PMA_DBI_QUERY_STORE);
 286
 287     /*
 288      * Export Relational Schema View
 289      */
 290     $response->addHTML(PMA_getHtmlForExportRelationalSchemaView($url_query));
 291 } // end if
 292
 293 ?>