<p></p>
<p><b>@milan-cvetkovic</b> commented on this pull request.</p>
<hr>
<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/4226#discussion_r1315049383">db/migrate/20230830115220_validate_create_doorkeeper_openid_connect_tables.rb</a>:</p>
<pre style='color:#555'>> @@ -0,0 +1,5 @@
+class ValidateCreateDoorkeeperOpenidConnectTables < ActiveRecord::Migration[7.0]
</pre>
<p dir="auto">Hm, db:migrate was failing due to possible deadlock when creating foreign keys and validating them in one shot, and suggested splitting to two migration scripts, which I did. I guess I could merge them into one.</p>
<p dir="auto">Here is the error message from db:migrate</p>
<blockquote>
<p dir="auto">=== Dangerous operation detected #strong_migrations ===</p>
<p dir="auto">Adding a foreign key blocks writes on both tables. Instead,<br>
add the foreign key without validating existing rows,<br>
then validate them in a separate migration.</p>
</blockquote>
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