discourse/plugins/chat/db/migrate/20221117142910_delete_orpha...

10 lines
316 B
Ruby

# frozen_string_literal: true
class DeleteOrphanedChannels < ActiveRecord::Migration[7.0]
def up
DB.exec(
"DELETE FROM chat_channels WHERE chatable_type = 'Category' AND type = 'CategoryChannel' AND NOT EXISTS (SELECT * FROM categories WHERE categories.id = chat_channels.chatable_id)",
)
end
end