this.selectedColumns = selectedColumns; this.resultIterator = resultIterator; this.metaData = metaData;
this.queryResults = queryResults; if( null == selectedColumns) { this.metaData = metaData; } else { this.metaData = new ResultMetaData( metaData, selectedColumns ); }
	ExtractionResults( IResultIterator resultIterator, IResultMetaData metaData, String[] selectedColumns )	{		this.selectedColumns = selectedColumns;		this.resultIterator = resultIterator;		this.metaData = metaData;	}