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/document/RDLoad.java
}
			catch ( IOException e )
			{
				throw new DataException( ResourceConstants.RD_LOAD_ERROR,
						e,
						"result data" );
			}
			
			InputStream groupIs = context.getInputStream( queryResultID,
					subQueryID,
					DataEngineContext.GROUP_INFO_STREAM );
			BufferedInputStream groupBis = new BufferedInputStream( groupIs );
			rdGroupUtil = new RDGroupUtil( groupBis,
					new CacheProviderImpl( this ) );
			
			
			if( false )
				this.loadForIV( );
			
			try
			{
				groupBis.close( );
				groupIs.close( );
			}
			catch ( IOException e )
			{
				
			}
			
			this.isPrepared = true;