Bug 182061 Data engine changes to support result set sharing
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/PreparedQuery.java
{
	private 	IBaseQueryDefinition 	baseQueryDefn;
	
	private     DataEngineContext 		dataEngineContext;
	private 	DataEngineSession 		session;
	private     ExpressionCompiler 		expressionCompiler;
	private 	IPreparedQueryService 	queryService;
	
	private  	AggregateTable			aggrTable;
	private 	Map 					appContext;
	
	
	private 	HashMap 				subQueryMap;
	
	private 	HashMap 				subQueryDefnMap;
	
	private 	static Logger logger = Logger.getLogger( DataEngineImpl.class.getName( ) );