<p dir="auto">This adds indexes on <code class="notranslate">user+id</code> to diary and changeset comments to make comment views more efficient.</p>
<p dir="auto">Once this is merged we can switch the <code class="notranslate">diary_comments</code> association on users to sort by id instead of creation date and then drop the creation date indexes.</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/openstreetmap/openstreetmap-website/pull/5531'>https://github.com/openstreetmap/openstreetmap-website/pull/5531</a></p>

<h4>Commit Summary</h4>
<ul>
  <li><a href="https://github.com/openstreetmap/openstreetmap-website/pull/5531/commits/3ebe31d65cea0442111afd70e29aca4bce153bb7" class="commit-link">3ebe31d</a>  Add indes on user+id to changeset and diary comments</li>
</ul>

<h4 style="display: inline-block">File Changes </h4> <p style="display: inline-block">(<a href="https://github.com/openstreetmap/openstreetmap-website/pull/5531/files">2 files</a>)</p>
<ul>
  <li>
    <strong>A</strong>
    <a href="https://github.com/openstreetmap/openstreetmap-website/pull/5531/files#diff-93d71f34802cd6189442c0e4dab42b3c313db9f9746be84ad361808b3b148aea">db/migrate/20250121191749_add_user_comment_indexes.rb</a>
    (8)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/openstreetmap/openstreetmap-website/pull/5531/files#diff-1dd5a8f580b9615769ddc19a64a98f455d9d20eb149c443f41d9d3c797d39b12">db/structure.sql</a>
    (15)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/openstreetmap/openstreetmap-website/pull/5531.patch'>https://github.com/openstreetmap/openstreetmap-website/pull/5531.patch</a></li>
  <li><a href='https://github.com/openstreetmap/openstreetmap-website/pull/5531.diff'>https://github.com/openstreetmap/openstreetmap-website/pull/5531.diff</a></li>
</ul>

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