diff options
Diffstat (limited to 'db/post_migrate/20210808071221_clear_orphaned_account_notes.rb')
-rw-r--r-- | db/post_migrate/20210808071221_clear_orphaned_account_notes.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/db/post_migrate/20210808071221_clear_orphaned_account_notes.rb b/db/post_migrate/20210808071221_clear_orphaned_account_notes.rb new file mode 100644 index 000000000..71171658a --- /dev/null +++ b/db/post_migrate/20210808071221_clear_orphaned_account_notes.rb @@ -0,0 +1,21 @@ +# frozen_string_literal: true + +class ClearOrphanedAccountNotes < ActiveRecord::Migration[5.2] + class Account < ApplicationRecord + # Dummy class, to make migration possible across version changes + end + + class AccountNote < ApplicationRecord + # Dummy class, to make migration possible across version changes + belongs_to :account + belongs_to :target_account, class_name: 'Account' + end + + def up + AccountNote.where('NOT EXISTS (SELECT * FROM users u WHERE u.account_id = account_notes.account_id)').in_batches.delete_all + end + + def down + # nothing to do + end +end |