discourse/db/migrate/20150325183400_fix_group_user_count.rb

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class FixGroupUserCount < ActiveRecord::Migration[4.2]
2015-03-26 02:39:43 +08:00
def change
execute "UPDATE groups g SET user_count = (SELECT COUNT(user_id) FROM group_users gu WHERE gu.group_id = g.id)"
end
end