Então, criamos uma dependência `Annotated` chamada `SessionDep` para simplificar o restante do código que usará essa dependência.

{* ../../docs_src/sql_databases/tutorial001_an_py310.py ln[25:30] hl[25:27,30] *}

### Criar Tabelas de Banco de Dados na Inicialização

	ResumeItemsFailed  uint64 `json:"-"`
	ResumeItemsSkipped uint64 `json:"-"`
	ResumeBytesDone    uint64 `json:"-"`
	ResumeBytesFailed  uint64 `json:"-"`
	ResumeBytesSkipped uint64 `json:"-"`

	// Filled on startup/restarts.
	QueuedBuckets []string

	// Filled during heal.
	HealedBuckets []string

	// ID of the current healing operation
	HealID string

	ItemsSkipped uint64
	BytesSkipped uint64

	RetryAttempts uint64

         */
        return new Iterator<T>() {
          boolean atStart = true;

          @Override
          public boolean hasNext() {
            return iterator.hasNext();
          }

          @Override
          @ParametricNullness
          public T next() {
            T result = iterator.next();
            atStart = false; // not called if next() fails
            return result;
          }

            try {
                insert(urlQueue);
            } catch (final Exception e) {
                logger.warn("Failed to restore " + urlQueue, e);
            }
        }));
    }

    /**
     * Clears the cache.
     */
    public void clearCache() {
        sessionCache.clear();
    }

    /**

    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "accessTokenItems", accessTokenService.getAccessTokenList(accessTokenPager)); // page navi

        // restore from pager
        copyBeanToBean(accessTokenPager, form, op -> op.include("id"));
    }

    // ===================================================================================

     */
    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "userItems", userService.getUserList(userPager)); // page navi
        // restore from pager
        copyBeanToBean(userPager, form, op -> op.include("id"));
    }

    private void registerForms(final RenderData data) {

@J2ktIncompatible
@GwtIncompatible
public interface Service {
  /**
   * If the service state is {@link State#NEW}, this initiates service startup and returns
   * immediately. A stopped service may not be restarted.
   *
   * @return this
   * @throws IllegalStateException if the service is not {@link State#NEW}
   * @since 15.0
   */
  @CanIgnoreReturnValue
  Service startAsync();

		if preparedStmtTx, isPreparedStmtTx = db.Statement.ConnPool.(*PreparedStmtTX); isPreparedStmtTx {
			db.Statement.ConnPool = preparedStmtTx.Tx
		}
		db.AddError(savePointer.SavePoint(db, name))
		// restore prepared statement
		if isPreparedStmtTx {
			db.Statement.ConnPool = preparedStmtTx
		}
	} else {
		db.AddError(ErrUnsupportedDriver)
	}
	return db
}

func (db *DB) RollbackTo(name string) *DB {

        // page navi
        RenderDataUtil.register(data, "charMappingItemItems", charMappingService.getCharMappingList(form.dictId, charMappingPager));

        // restore from pager
        BeanUtil.copyBeanToBean(charMappingPager, form, op -> {
            op.exclude(Constants.PAGER_CONVERSION_RULE);
        });
    }

        RenderDataUtil.register(data, "displayCreateLink", !crawlingConfigHelper.getAllWebConfigList(false, false, false, null).isEmpty());
        // restore from pager
        copyBeanToBean(webAuthPager, form, op -> op.include("id"));
    }

    // ===================================================================================