def self.up
add_index "changesets", ["created_at"], :name => "changesets_created_at_idx"
add_index "changesets", ["closed_at"], :name => "changesets_closed_at_idx"
def self.up
add_index "changesets", ["created_at"], :name => "changesets_created_at_idx"
add_index "changesets", ["closed_at"], :name => "changesets_closed_at_idx"