Function QUERYCOLUMNEXISTS
			
				Determines whether a specific column is present in a query.
			
		
		
		
		Example
querycolumnexists(query query,string column):boolean
Arguments
				The arguments for this function are set. You can not use other arguments except the following ones.
				
			
		
		
			| Name | Type | Required | Description | 
|---|---|---|---|
| query | query | Yes | |
| column | string | Yes | 
