Class Foreign
	
	
Represent a column in SQL with a foreign key constraint to another column
	 
	
		- 
			Alchemy\core\Element
			
			 implements 
				Alchemy\core\IElement
			
			
		
 
		- 
			
			Alchemy\core\schema\TableElement
			
			
			
		 
		- 
			
			Alchemy\core\schema\Column
			
			 implements 
				Alchemy\util\promise\IPromisable
			
			
		 
		- 
			
Alchemy\core\schema\Foreign			
			
			
		 
	
	
	
	Methods summary
	
		
			 public 
			Alchemy\core\schema\TableElement
			
			
		 | 
		
		#
		copy( array $args = array(), mixed $table = null, mixed $name = '?' )
		
			
Duplicates this, but possibly as a different class 
		 
		
			
Duplicates this, but possibly as a different class 
				Returns
				
				Overrides
				
		 
		  | 
	
	
	
	
	
	Methods inherited from Alchemy\core\Element
	
		
			__callStatic(), 
			__clone(), 
			addTag(), 
			addTags(), 
			define(), 
			define_alias(), 
			getDescription(), 
			getID(), 
			getTag(), 
			getType(), 
			get_definition(), 
			listTags(), 
			normalize_arg()
		 |