revert 5c5a35be24

revert Fix

db/migrate/20240612000000_add_local_top_algorithm_support.rb

@@ -1,14 +1,12 @@
 # db/migrate/20240612000000_add_local_top_algorithm_support.rb
-class AddLocalTopAlgorithmSupport < ActiveRecord::Migration[8.0]
-  disable_ddl_transaction! # Allows concurrent operations
-
+class AddLocalTopAlgorithmSupport < ActiveRecord::Migration[6.1]
     def change
-    # 1. Add reference without immediate foreign key validation
-    add_reference :statuses, :status_stat, 
-      index: { algorithm: :concurrently }, # Concurrent index
-      foreign_key: { on_delete: :cascade, validate: false } # Defer validation
+      # Ensure status_stats exists (Mastodon usually has this)
+      unless column_exists?(:statuses, :status_stat_id)
+        add_reference :statuses, :status_stat, foreign_key: { on_delete: :cascade }
+      end
   
-    # 2. Add user preference column (safe operation)
+      # Add user preference for feed algorithm (default: chronological)
       add_column :users, :feed_algorithm, :string, default: 'chronological'
     end
-end
+  end