(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
dbplus_lockrel — Request write lock on relation
Requests a write lock on the given relation .
Other clients may still query the relation, but can't alter it while it is locked.
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.