(PHP 4 >= 4.0.7, 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, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.