(PHP 4 >= 4.0.7, PECL dbplus:0.9)
dbplus_flush — Flush all changes made on a relation
Writes all changes applied to relation since the last flush to disk.
Returns DBPLUS_ERR_NOERR on success or a db++ error code on failure.
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.