Bug 137130 The cascading parameter does not work when a column name includes double quotation marks
Description: The cascading parameter does not work when a column name includes double quotation marks Steps to reproduce: 1. download the report design file 2. change the flat file path to the related position 3. save and preview. Actual result: The cascading parameter can not retrieve the data.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryResults.java
"QueryResults is closed" );
			return;
		}
		if ( iterator != null )
		{
			iterator.close( );
			iterator = null;
		}
	    
		queryService.close( );
		queryService = null;
		logger.logp( Level.FINE,
				QueryResults.class.getName( ),
				"close",
				"QueryResults is closed" );
	}
	
	/**
	 * Set current queryresult ID for sub query. Sub query result ID can not be
	 * generated independently, and it is needs to be attached with its parent
	 * query.
	 * 
	 * @param queryResultID
	 */
	void setID( String queryResultID )
	{
		this.queryResultID = queryResultID;
	}
	
	/**