text: CREATE EXTENSION IF NOT EXISTS pgcrypto;
  CREATE TABLE "public"."boards_users"("id" uuid NOT NULL DEFAULT gen_random_uuid(), "board_id" uuid NOT NULL, "user_id" uuid NOT NULL, "created_at" timestamptz NOT NULL DEFAULT now(), "updated_at" timestamptz NOT NULL DEFAULT now(), PRIMARY KEY ("id") , UNIQUE ("id"));
  CREATE OR REPLACE FUNCTION "public"."set_current_timestamp_updated_at"()
  RETURNS TRIGGER AS $$
  DECLARE
    _new record;
  BEGIN
    _new := NEW;
    _new."updated_at" = NOW();
    RETURN _new;
  END;
  $$ LANGUAGE plpgsql;
  CREATE TRIGGER "set_public_boards_users_updated_at"
  BEFORE UPDATE ON "public"."boards_users"
  FOR EACH ROW
  EXECUTE PROCEDURE "public"."set_current_timestamp_updated_at"();
  COMMENT ON TRIGGER "set_public_boards_users_updated_at" ON "public"."boards_users" 
  IS 'trigger to set value of column "updated_at" to current timestamp on row update';
  