dbplus_xlockrel
  Request exclusive lock on relation
  
 
 
  Description
  
   int dbplus_xlockrel
    ( resource $relation
   )
  
  
 
  Parameters
  
   
    
     - 
relation
- 
      
       A relation opened by dbplus_open.
       
 
 
 
  Notes
  WarningThis 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.