>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3585192. --> Reported by: [penyaskito](https://www.drupal.org/user/959536) Related to !926 >>> <h3 id="overview">Overview</h3> <p>We implemented hook_schema for notifications in <span class="drupalorg-gitlab-issue-link drupalorg-gitlab-link-wrapper"><a href="https://git.drupalcode.org/project/canvas/-/work_items/3580209" class="drupalorg-gitlab-link">https://git.drupalcode.org/project/canvas/-/work_items/3580209</a></span>.<br> See <span class="drupalorg-gitlab-issue-link project-issue-status-info project-issue-status-1"><a href="https://www.drupal.org/project/drupal/issues/3221051" title="Status: Active">#3221051: [meta] Replace hook_schema() implementations with ::ensureTableExists()</a></span>. This not only simplify tests, but will make upgrade paths much easier if the schema changes.</p> <h3 id="proposed-resolution">Proposed resolution</h3> <p>Don't rely on hook_schema.</p> <h3 id="ui-changes">User interface changes</h3> <p>None.</p> > Related issue: [Issue #3221051](https://www.drupal.org/node/3221051)