text: -- upgrade --
  CREATE TABLE IF NOT EXISTS "pastes" (
      "id" BIGSERIAL NOT NULL PRIMARY KEY,
      "content" TEXT NOT NULL,
      "created_at" TIMESTAMPTZ NOT NULL  DEFAULT CURRENT_TIMESTAMP,
      "updated_at" TIMESTAMPTZ NOT NULL  DEFAULT CURRENT_TIMESTAMP
  );
  COMMENT ON TABLE "pastes" IS 'An individual paste';
  CREATE TABLE IF NOT EXISTS "aerich" (
      "id" SERIAL NOT NULL PRIMARY KEY,
      "version" VARCHAR(255) NOT NULL,
      "app" VARCHAR(20) NOT NULL,
      "content" JSONB NOT NULL
  );
  