CREATE TABLE "users" ( "id" varchar NOT NULL PRIMARY KEY, "username" varchar NOT NULL, "hashed_password" varchar NOT NULL, "email" varchar NOT NULL, "created_at" timestamptz NOT NULL DEFAULT (now()) ); ALTER TABLE "users" ADD CONSTRAINT "username_key" UNIQUE ("username"); ALTER TABLE "users" ADD CONSTRAINT "email_key" UNIQUE ("email"); CREATE INDEX ON "users" ("username"); CREATE INDEX ON "users" ("email"); CREATE TABLE "user_relate_url" ( "id" bigserial NOT NULL PRIMARY KEY, "user_id" varchar NOT NULL, "short_url" varchar NOT NULL, "origin_url" varchar NOT NULL, "status" int NOT NULL DEFAULT 0, "expire_at" timestamptz NOT NULL, "created_at" timestamptz NOT NULL DEFAULT (now()) ); ALTER TABLE "user_relate_url" ADD CONSTRAINT "short_url_key" UNIQUE ("short_url"); CREATE INDEX ON "user_relate_url" ("user_id"); CREATE INDEX ON "user_relate_url" ("short_url");