code: def post_add(
      self,
      item: "TableModelView",
      flash_message: bool = True,
      fetch_metadata: bool = True,
  ) -> None:
      if fetch_metadata:
          item.fetch_metadata()
      if flash_message:
          flash(
              _(
                  "The table was created. "
                  "As part of this two-phase configuration "
                  "process, you should now click the edit button by "
                  "the new table to configure it."
              ),
              "info",
          )
  
imports: import logging
  import re
  from flask import flash, Markup, redirect
  from flask_appbuilder import CompactCRUDMixin, expose, permission_name
  from flask_appbuilder.fields import QuerySelectField
  from flask_appbuilder.fieldwidgets import Select2Widget
  from flask_appbuilder.models.sqla.interface import SQLAInterface
  from flask_appbuilder.security.decorators import has_access
  from flask_babel import lazy_gettext
  from wtforms.validators import DataRequired, Regexp
  from superset import db
  from superset.connectors.sqla import models
  from superset.constants import MODEL_VIEW_RW_METHOD_PERMISSION_MAP, RouteMethod
  from superset.superset_typing import FlaskResponse
  from superset.utils import core
  from superset.views.base import BaseSupersetView, DatasourceFilter, DeleteMixin, ListWidgetWithCheckboxes, SupersetModelView, YamlExportMixin
label_desc: Use image node_id 1 for calling the TableModelView obj's underlying member method code with example usage: obj.post_add(item, flash_message, fetch_metadata) without return types