protected DbUpdateController::triggerBatch(Request $request)
Starts the database update batch process.
Parameters
\Symfony\Component\HttpFoundation\Request $request: The current request object.
File
- core/modules/system/src/Controller/DbUpdateController.php, line 568
Class
- DbUpdateController
- Controller routines for database update routes.
Namespace
Drupal\system\Controller
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | protected function triggerBatch(Request $request) { $maintenance_mode = $this->state->get('system.maintenance_mode', FALSE); // Store the current maintenance mode status in the session so that it can // be restored at the end of the batch. $_SESSION['maintenance_mode'] = $maintenance_mode; // During the update, always put the site into maintenance mode so that // in-progress schema changes do not affect visiting users. if (empty($maintenance_mode)) { $this->state->set('system.maintenance_mode', TRUE); } $operations = array(); // Resolve any update dependencies to determine the actual updates that will // be run and the order they will be run in. $start = $this->getModuleUpdates(); $updates = update_resolve_dependencies($start); // Store the dependencies for each update function in an array which the // batch API can pass in to the batch operation each time it is called. (We // do not store the entire update dependency array here because it is // potentially very large.) $dependency_map = array(); foreach ($updates as $function => $update) { $dependency_map[$function] = !empty($update['reverse_paths']) ? array_keys($update['reverse_paths']) : array(); } // Determine updates to be performed. foreach ($updates as $function => $update) { if ($update['allowed']) { // Set the installed version of each module so updates will start at the // correct place. (The updates are already sorted, so we can simply base // this on the first one we come across in the above foreach loop.) if (isset($start[$update['module']])) { drupal_set_installed_schema_version($update['module'], $update['number'] - 1); unset($start[$update['module']]); } $operations[] = array('update_do_one', array($update['module'], $update['number'], $dependency_map[$function])); } } $post_updates = $this->postUpdateRegistry->getPendingUpdateFunctions(); if ($post_updates) { // Now we rebuild all caches and after that execute the hook_post_update() // functions. $operations[] = ['drupal_flush_all_caches', []]; foreach ($post_updates as $function) { $operations[] = ['update_invoke_post_update', [$function]]; } } $batch['operations'] = $operations; $batch += array( 'title' => $this->t('Updating'), 'init_message' => $this->t('Starting updates'), 'error_message' => $this->t('An unrecoverable error has occurred. You can find the error message below. It is advised to copy it to the clipboard for reference.'), 'finished' => array('\Drupal\system\Controller\DbUpdateController', 'batchFinished'), ); batch_set($batch); // @todo Revisit once https://www.drupal.org/node/2548095 is in.} |
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