CREATE TABLE IF NOT EXISTS "user_device_online_record"
(
    "id" BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
    "user_id" BIGINT NOT NULL,
    "identifier" VARCHAR(255) NOT NULL,
    "online_time" TIMESTAMP,
    "offline_time" TIMESTAMP,
    "online_seconds" BIGINT,
    "duration_days" BIGINT,
    "created_at" TIMESTAMP
);

ALTER TABLE "user_subscribe" ADD COLUMN IF NOT EXISTS "finished_at" TIMESTAMP NULL;
ALTER TABLE "application_config" ADD COLUMN IF NOT EXISTS "invitation_link" TEXT NULL DEFAULT NULL;
ALTER TABLE "application_config" ADD COLUMN IF NOT EXISTS "kr_website_id" VARCHAR(255) NULL DEFAULT NULL;