ISAICP-9186: Error sending email on cron.

web/modules/custom/joinup_core/joinup_core.deploy.php

@@ -42,3 +42,20 @@ function joinup_core_deploy_200000(array &$sandbox): string {
   $sandbox['#finished'] = $sandbox['progress'] / $sandbox['total'];
   return "Progress: {$sandbox['progress']}/{$sandbox['total']} of users.";
 }
+
+/**
+ * Remove queued messages for cancelled users.
+ */
+function joinup_core_deploy_200001(): void {
+  $db = \Drupal::database();
+  $usernames = str_getcsv(file_get_contents(__DIR__ . "/fixtures/bounce_username.csv"));
+  $uids = $db->select('users_field_data', 'u')
+    ->fields('u', ['uid'])
+    ->condition('u.name', $usernames, 'IN')
+    ->execute()
+    ->fetchCol();
+  $pattern = 's\:3\:"uid";s\:[0-9]+\:"(' . implode('|', $uids) . ')';
+  $db->query("DELETE FROM queue WHERE name = 'message_digest' AND data RLIKE '$pattern'", [], [
+    'allow_delimiter_in_query' => TRUE,
+  ]);
+}