final public function getSchema() {
        if ($this->schema === null) {
            $this->schema = $this->fetchSchema();
        }
        return $this->schema;
    }
final public function getSchema() {
        if ($this->schema === null) {
            $this->schema = $this->fetchSchema();
        }
        return $this->schema;
    }
final public function getSchema ( ) { if ( $ this -> schema === null ) { $ this -> schema = $ this -> fetchSchema ( ) ; } return $ this -> schema ; }
Gets the row schema for this model.

@return Schema Returns a schema.
Gets the row schema for this model .