Merge commit 'eaa1f9e450' into kb_migration

db/migrate/20230705232953_create_status_references.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class CreateStatusReferences < ActiveRecord::Migration[6.1]
+  def change
+    create_table :status_references do |t|
+      t.belongs_to :status, null: false, foreign_key: { on_delete: :cascade }
+      t.belongs_to :target_status, null: false, foreign_key: { on_delete: :cascade, to_table: :statuses }
+      t.datetime :created_at, null: false
+      t.datetime :updated_at, null: false
+    end
+  end
+end

db/migrate/20230706031715_add_status_referred_by_count_to_status_stats.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class AddStatusReferredByCountToStatusStats < ActiveRecord::Migration[6.1]
+  def up
+    safety_assured do
+      add_column :status_stats, :status_referred_by_count, :integer, null: false, default: 0
+    end
+  end
+
+  def down
+    remove_column :status_stats, :status_referred_by_count
+  end
+end