// Check if we are in DCOS environment, return
	// deployment guide for update procedures.
	if IsDCOS() {
		return mesosDeploymentDoc
	}

	// Check if we are in kubernetes environment, return
	// deployment guide for update procedures.
	if IsKubernetes() {
		return kubernetesDeploymentDoc
	}

	// Check if we are docker environment, return docker update command
	if IsDocker() {
		// Construct release tag name.

	}
	if beforeUpdateCall != 1 {
		t.Fatalf("before update should not be called")
	}

	err = DB.Model([1]*Product5{&p}).Update("name", "update_name_3").Error
	if err != nil {
		t.Fatalf("should update success, but got err %v", err)
	}
	if beforeUpdateCall != 2 {
		t.Fatalf("before update should be called")
	}

	err = DB.Model([1]Product5{p}).Update("name", "update_name_4").Error

  }

  /**
   * Atomically updates the element at index {@code i} with the results of applying the given
   * function to the current and given values.
   *
   * @param i the index to update
   * @param x the update value
   * @param accumulatorFunction the accumulator function
   * @return the updated value
   * @since 31.1
   */
  @CanIgnoreReturnValue

        try (MappingUpdater updater = new MappingUpdater(item)) {
            reload(updater);
        }
    }

    /**
     * Updates an existing character mapping item in the dictionary file.
     *
     * @param item the character mapping item to update
     */
    @Override
    public synchronized void update(final CharMappingItem item) {

		t.Errorf("failed to return updated age column")
	}
}

func TestUpdateWithDiffSchema(t *testing.T) {
	user := GetUser("update-diff-schema-1", Config{})
	DB.Create(&user)

	type UserTemp struct {
		Name string
	}

	err := DB.Model(&user).Updates(&UserTemp{Name: "update-diff-schema-2"}).Error
	AssertEqual(t, err, nil)
	AssertEqual(t, "update-diff-schema-2", user.Name)
}

        // Create test input stream
        String content = "updated1\n" + "updated2\n";
        InputStream is = new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));

        // Update from input stream
        protwordsFile.update(is);

        // Verify update
        PagingList<ProtwordsItem> list = protwordsFile.selectList(0, 100);
        assertEquals(2, list.size());

        try (ProtwordsUpdater updater = new ProtwordsUpdater(item)) {
            reload(updater);
        }
    }

    /**
     * Reloads the dictionary file with the specified updater.
     * @param updater the updater to use for processing items
     */
    protected void reload(final ProtwordsUpdater updater) {

      return (Listener) listenersUpdater.getAndSet(future, update);
    }

    @Override
    @Nullable Waiter gasWaiters(AbstractFutureState<?> future, Waiter update) {
      return (Waiter) waitersUpdater.getAndSet(future, update);
    }

    @Override
    boolean casValue(AbstractFutureState<?> future, @Nullable Object expect, Object update) {
      return valueUpdater.compareAndSet(future, expect, update);

      return listenersUpdater.getAndSet(future, update);
    }

    @Override
    @Nullable Waiter gasWaiters(AbstractFutureState<?> future, Waiter update) {
      return waitersUpdater.getAndSet(future, update);
    }

    @Override
    boolean casValue(AbstractFutureState<?> future, @Nullable Object expect, Object update) {
      return valueUpdater.compareAndSet(future, expect, update);
    }

            log.trace("update: " + this.updates + " " + offset + ":" + len);
            log.trace(Hexdump.toHexString(input, offset, Math.min(len, 256)));
        }
        if (len == 0) {
            return; /* CRITICAL */
        }
        this.digest.update(input, offset, len);
        this.updates++;
    }

    /**
     * Finalize and return the calculated message digest
     *
     * @return calculated digest