make migrations up only

db/migrate/20250716164417_migrate_post_files_to_has_aux_table.rb

@@ -1,5 +1,5 @@
 class MigratePostFilesToHasAuxTable < ActiveRecord::Migration[7.2]
-  def change
+  def up
     mirai_tablespace!
 
     create_aux_table :domain_post_files, :inkbunny do |t|
@@ -39,5 +39,7 @@ class MigratePostFilesToHasAuxTable < ActiveRecord::Migration[7.2]
         FROM domain_post_files
         WHERE type = 'Domain::PostFile::InkbunnyPostFile'
       SQL
+
+    # TODO - add foreign key constraints on base_table_id
   end
 end

db/migrate/20250717204152_add_columns_to_post_files.rb

@@ -1,5 +1,5 @@
 class AddColumnsToPostFiles < ActiveRecord::Migration[7.2]
-  def change
+  def up
     change_table :domain_post_files do |t|
       t.string :state
       t.string :url_str
@@ -18,5 +18,10 @@ class AddColumnsToPostFiles < ActiveRecord::Migration[7.2]
     SQL
 
     change_column_null :domain_post_files, :state, false
+    # TODO - drop json_attributes column
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
   end
 end