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<?php
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declare(strict_types=1);
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namespace PhpMyAdmin\Controllers\Database;
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use PhpMyAdmin\Charsets;
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use PhpMyAdmin\CheckUserPrivileges;
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use PhpMyAdmin\ConfigStorage\Relation;
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use PhpMyAdmin\ConfigStorage\RelationCleanup;
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use PhpMyAdmin\DatabaseInterface;
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use PhpMyAdmin\Html\Generator;
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use PhpMyAdmin\Message;
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use PhpMyAdmin\Operations;
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use PhpMyAdmin\Plugins;
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use PhpMyAdmin\Plugins\Export\ExportSql;
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use PhpMyAdmin\Query\Utilities;
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use PhpMyAdmin\ResponseRenderer;
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use PhpMyAdmin\Template;
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use PhpMyAdmin\Url;
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use PhpMyAdmin\Util;
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use function __;
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use function count;
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use function mb_strtolower;
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use function strlen;
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/**
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* Handles miscellaneous database operations.
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*/
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class OperationsController extends AbstractController
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{
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/** @var Operations */
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private $operations;
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/** @var CheckUserPrivileges */
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private $checkUserPrivileges;
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/** @var Relation */
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private $relation;
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/** @var RelationCleanup */
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private $relationCleanup;
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/** @var DatabaseInterface */
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private $dbi;
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public function __construct(
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ResponseRenderer $response,
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Template $template,
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string $db,
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Operations $operations,
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CheckUserPrivileges $checkUserPrivileges,
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Relation $relation,
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RelationCleanup $relationCleanup,
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DatabaseInterface $dbi
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) {
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parent::__construct($response, $template, $db);
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$this->operations = $operations;
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$this->checkUserPrivileges = $checkUserPrivileges;
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$this->relation = $relation;
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$this->relationCleanup = $relationCleanup;
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$this->dbi = $dbi;
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}
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public function __invoke(): void
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{
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global $cfg, $db, $server, $sql_query, $move, $message, $tables_full, $errorUrl;
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global $export_sql_plugin, $views, $sqlConstratints, $local_query, $reload, $urlParams, $tables;
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global $total_num_tables, $sub_part, $tooltip_truename;
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global $db_collation, $tooltip_aliasname, $pos, $is_information_schema, $single_table, $num_tables;
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$this->checkUserPrivileges->getPrivileges();
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$this->addScriptFiles(['database/operations.js']);
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$sql_query = '';
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/**
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* Rename/move or copy database
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*/
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if (strlen($db) > 0 && (! empty($_POST['db_rename']) || ! empty($_POST['db_copy']))) {
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if (! empty($_POST['db_rename'])) {
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$move = true;
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} else {
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$move = false;
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}
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if (! isset($_POST['newname']) || strlen($_POST['newname']) === 0) {
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$message = Message::error(__('The database name is empty!'));
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} else {
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// lower_case_table_names=1 `DB` becomes `db`
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if ($this->dbi->getLowerCaseNames() === '1') {
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$_POST['newname'] = mb_strtolower($_POST['newname']);
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}
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if ($_POST['newname'] === $_REQUEST['db']) {
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$message = Message::error(
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__('Cannot copy database to the same name. Change the name and try again.')
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);
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} else {
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$_error = false;
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if ($move || ! empty($_POST['create_database_before_copying'])) {
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$this->operations->createDbBeforeCopy();
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}
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// here I don't use DELIMITER because it's not part of the
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// language; I have to send each statement one by one
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// to avoid selecting alternatively the current and new db
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// we would need to modify the CREATE definitions to qualify
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// the db name
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$this->operations->runProcedureAndFunctionDefinitions($db);
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// go back to current db, just in case
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$this->dbi->selectDb($db);
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$tables_full = $this->dbi->getTablesFull($db);
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// remove all foreign key constraints, otherwise we can get errors
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/** @var ExportSql $export_sql_plugin */
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$export_sql_plugin = Plugins::getPlugin('export', 'sql', [
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'export_type' => 'database',
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'single_table' => isset($single_table),
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]);
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// create stand-in tables for views
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$views = $this->operations->getViewsAndCreateSqlViewStandIn($tables_full, $export_sql_plugin, $db);
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// copy tables
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$sqlConstratints = $this->operations->copyTables($tables_full, $move, $db);
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// handle the views
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if (! $_error) {
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$this->operations->handleTheViews($views, $move, $db);
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}
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unset($views);
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// now that all tables exist, create all the accumulated constraints
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if (! $_error && count($sqlConstratints) > 0) {
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$this->operations->createAllAccumulatedConstraints($sqlConstratints);
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}
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unset($sqlConstratints);
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if ($this->dbi->getVersion() >= 50100) {
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// here DELIMITER is not used because it's not part of the
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// language; each statement is sent one by one
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$this->operations->runEventDefinitionsForDb($db);
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}
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// go back to current db, just in case
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$this->dbi->selectDb($db);
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// Duplicate the bookmarks for this db (done once for each db)
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$this->operations->duplicateBookmarks($_error, $db);
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if (! $_error && $move) {
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if (isset($_POST['adjust_privileges']) && ! empty($_POST['adjust_privileges'])) {
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$this->operations->adjustPrivilegesMoveDb($db, $_POST['newname']);
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}
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/**
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* cleanup pmadb stuff for this db
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*/
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$this->relationCleanup->database($db);
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// if someday the RENAME DATABASE reappears, do not DROP
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$local_query = 'DROP DATABASE '
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. Util::backquote($db) . ';';
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$sql_query .= "\n" . $local_query;
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$this->dbi->query($local_query);
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$message = Message::success(
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__('Database %1$s has been renamed to %2$s.')
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);
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$message->addParam($db);
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$message->addParam($_POST['newname']);
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} elseif (! $_error) {
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if (isset($_POST['adjust_privileges']) && ! empty($_POST['adjust_privileges'])) {
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$this->operations->adjustPrivilegesCopyDb($db, $_POST['newname']);
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}
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$message = Message::success(
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__('Database %1$s has been copied to %2$s.')
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);
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$message->addParam($db);
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$message->addParam($_POST['newname']);
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} else {
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$message = Message::error();
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}
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$reload = true;
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/* Change database to be used */
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if (! $_error && $move) {
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$db = $_POST['newname'];
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} elseif (! $_error) {
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if (isset($_POST['switch_to_new']) && $_POST['switch_to_new'] === 'true') {
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$_SESSION['pma_switch_to_new'] = true;
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$db = $_POST['newname'];
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} else {
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$_SESSION['pma_switch_to_new'] = false;
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}
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}
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}
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}
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/**
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* Database has been successfully renamed/moved. If in an Ajax request,
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* generate the output with {@link ResponseRenderer} and exit
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*/
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if ($this->response->isAjax()) {
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$this->response->setRequestStatus($message->isSuccess());
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$this->response->addJSON('message', $message);
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$this->response->addJSON('newname', $_POST['newname']);
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$this->response->addJSON(
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'sql_query',
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Generator::getMessage('', $sql_query)
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);
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$this->response->addJSON('db', $db);
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return;
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}
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}
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$relationParameters = $this->relation->getRelationParameters();
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/**
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* Check if comments were updated
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* (must be done before displaying the menu tabs)
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*/
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if (isset($_POST['comment'])) {
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$this->relation->setDbComment($db, $_POST['comment']);
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}
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Util::checkParameters(['db']);
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$errorUrl = Util::getScriptNameForOption($cfg['DefaultTabDatabase'], 'database');
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$errorUrl .= Url::getCommon(['db' => $db], '&');
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if (! $this->hasDatabase()) {
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return;
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}
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$urlParams['goto'] = Url::getFromRoute('/database/operations');
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// Gets the database structure
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$sub_part = '_structure';
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[
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$tables,
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$num_tables,
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$total_num_tables,
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$sub_part,,
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$isSystemSchema,
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$tooltip_truename,
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$tooltip_aliasname,
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$pos,
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] = Util::getDbInfo($db, $sub_part);
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$oldMessage = '';
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if (isset($message)) {
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$oldMessage = Generator::getMessage($message, $sql_query);
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unset($message);
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}
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$db_collation = $this->dbi->getDbCollation($db);
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$is_information_schema = Utilities::isSystemSchema($db);
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if ($is_information_schema) {
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return;
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}
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$databaseComment = '';
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if ($relationParameters->columnCommentsFeature !== null) {
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$databaseComment = $this->relation->getDbComment($db);
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}
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$hasAdjustPrivileges = $GLOBALS['db_priv'] && $GLOBALS['table_priv']
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&& $GLOBALS['col_priv'] && $GLOBALS['proc_priv'] && $GLOBALS['is_reload_priv'];
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$isDropDatabaseAllowed = ($this->dbi->isSuperUser() || $cfg['AllowUserDropDatabase'])
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&& ! $isSystemSchema && $db !== 'mysql';
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$switchToNew = isset($_SESSION['pma_switch_to_new']) && $_SESSION['pma_switch_to_new'];
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$charsets = Charsets::getCharsets($this->dbi, $GLOBALS['cfg']['Server']['DisableIS']);
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$collations = Charsets::getCollations($this->dbi, $GLOBALS['cfg']['Server']['DisableIS']);
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if (! $relationParameters->hasAllFeatures() && $cfg['PmaNoRelation_DisableWarning'] == false) {
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$message = Message::notice(
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__(
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'The phpMyAdmin configuration storage has been deactivated. %sFind out why%s.'
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)
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);
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$message->addParamHtml(
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'<a href="' . Url::getFromRoute('/check-relations')
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. '" data-post="' . Url::getCommon(['db' => $db]) . '">'
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);
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$message->addParamHtml('</a>');
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/* Show error if user has configured something, notice elsewhere */
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if (! empty($cfg['Servers'][$server]['pmadb'])) {
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$message->isError(true);
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}
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}
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$this->render('database/operations/index', [
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'message' => $oldMessage,
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'db' => $db,
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'has_comment' => $relationParameters->columnCommentsFeature !== null,
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'db_comment' => $databaseComment,
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'db_collation' => $db_collation,
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'has_adjust_privileges' => $hasAdjustPrivileges,
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'is_drop_database_allowed' => $isDropDatabaseAllowed,
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'switch_to_new' => $switchToNew,
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'charsets' => $charsets,
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'collations' => $collations,
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]);
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}
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}
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