zendframework/zf2 — pull request #4907 by corentin-larose (2013-07-30 09:47:39+00:00)
Title: Changed self::SPECIFICATION_* to static::SPECIFICATION_* in non declarat...

This patch allow to extend \Zend\Db\Sql\Delete|Insert|Update classes in order to very easily implement driver specific syntaxes like the MySql REPLACE or INSERT ON DUPLICATE KEY UPDATE etc.

For example :

'REPLACE INTO %1$s (%2$s) VALUES (%3$s)'
);
}
```