code: protected function setTableMetadata($name, $type, $data)
      {
          $this->_tableMetadata[$this->getRawTableName($name)][$type] = $data;
      }
docs: Sets the metadata of the given type for the given table.
  @param string $name table name.
  @param string $type metadata type.
  @param mixed $data metadata.
  @since 2.0.13