code: def _create_tag_table(self):
          
          with self._engine.begin() as conn:
              tag_table_name = self._table_name("tag")
              if not conn.dialect.has_table(conn, tag_table_name):
                  self._tag_table = sqla.Table(
                      tag_table_name, self._metadata,
                      sqla.Column("id", sqla.Integer, primary_key=True),
                      sqla.Column("text", sqla.String(128), unique=True,
                                  index=True),
                      info=self._info
                  )
                  self._logger.debug("Created table with table name %s" %
                                     tag_table_name)
              else:
                  self._tag_table = self._metadata.tables[tag_table_name]
                  self._logger.debug("Reflecting to table with table name %s" %
                                     tag_table_name)
docs: Creates the table to store blog post tags.
          :return: