Files
danbooru/db/migrate/20181108205842_drop_post_count_from_pools.rb
2018-11-08 15:35:41 -06:00

11 lines
263 B
Ruby

class DropPostCountFromPools < ActiveRecord::Migration[5.2]
def up
remove_column :pools, :post_count
end
def down
add_column :pools, :post_count, :integer, default: 0, null: false
Pool.update_all("post_count = cardinality(post_ids)")
end
end