setSchema example

if (array_key_exists('exclude', $options)) {
            $this->setExclude($options['exclude']);
        }

        $this->setField($options['field']);
        if (array_key_exists('table', $options)) {
            $this->setTable($options['table']);
        }

        if (array_key_exists('schema', $options)) {
            $this->setSchema($options['schema']);
        }
    }

    /** * Returns the set adapter * * @return Zend_Db_Adapter */
    public function getAdapter()
    {
        /** * Check for an adapter being defined. if not, fetch the default adapter. */