-- migrate:up
ALTER TABLE "subscribe"
ADD COLUMN "nodes" VARCHAR(255) NOT NULL DEFAULT '' ,
ADD COLUMN "node_tags" VARCHAR(255) NOT NULL DEFAULT '' ,
DROP COLUMN "server",
DROP COLUMN "server_group";
DROP TABLE IF EXISTS "server_rule_group";

-- migrate:down
ALTER TABLE "subscribe"
DROP COLUMN "nodes",
  DROP COLUMN "node_tags",
  ADD COLUMN "server" VARCHAR(255) NOT NULL DEFAULT '' ,
  ADD COLUMN "server_group" VARCHAR(255) NOT NULL DEFAULT '';