Add reactions to posts

db/migrate/20240330213418_create_reactions.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+ROM::SQL.migration do
+  change do
+    create_table :reactions do
+      primary_key :id
+      foreign_key :post_id, :posts, null: false
+      column :visitor_identifier, :text, null: false
+
+      index :post_id
+      unique [:post_id, :visitor_identifier]
+    end
+  end
+end