Bug 131011 Support running query based on report document data
Data Engine should support running a query based on data set and expression data stored in a report document. This bugzilla entry serves as a repository for design docs and notes related to this feature.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
/**
		 * @param context
		 * @param queryResultID
		 * @param odiResult
		 */
		public RDSaveUtil( DataEngineContext context,
				IBaseQueryDefinition queryDefn, String queryResultID,
				org.eclipse.birt.data.engine.odi.IResultIterator odiResult )
		{
			this( context,
					queryDefn,
					queryResultID,
					odiResult,
					null,
					-1,
					-1,
					null );
		}
		/**
		 * @param context
		 * @param queryResultID
		 * @param odiResult
		 * @param subQueryName
		 * @param subQueryIndex
		 * @param subQueryInfo
		 */
		RDSaveUtil( DataEngineContext context, IBaseQueryDefinition queryDefn,
				String queryResultID,
				org.eclipse.birt.data.engine.odi.IResultIterator odiResult,
				String subQueryName, int groupLevel, int subQueryIndex,