openstreetmap-website/db/migrate/20201006220807_add_changeset_index_to_changeset_comments.rb
2020-10-06 23:10:52 +01:00

8 lines
282 B
Ruby

class AddChangesetIndexToChangesetComments < ActiveRecord::Migration[6.0]
disable_ddl_transaction!
def change
remove_index :changeset_comments, [:author_id, :created_at]
add_index :changeset_comments, [:changeset_id, :created_at], :algorithm => :concurrently
end
end