(PHP 4 <= 4.1.0, PECL dbplus >= 0.9)
  	
    
      
      Give up write lock on relation
    
    
      
      int dbplus_unlockrel ( resource $relation )
    
    
    
    Release a write lock previously obtained by dbplus_lockrel().
Parameters: 
  
      
      
      	relation
    	
 
    	A relation opened by dbplus_open().
Returns: 
                  
    		
    		
    		
    		
    		
            		
    		
    		
    	
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