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
private boolean needsSaveToDoc( )
		{
			if ( state == NOT_STARTED || state == CLOSED
					|| context == null
					|| context.getMode( ) != DataEngineContext.MODE_GENERATION )
				return false;
			return true;
		}
		
		/**
		 * @return
		 * @throws DataException
		 */
		private RDSave getRdSave( ) throws DataException
		{
			if ( rdSave == null )
			{
				rdSave = RDUtil.newSave( this.context,
						this.queryDefn,
						this.queryResultID,
						( (CachedResultSet) odiResult ).getRowCount( ),
						this.subQueryName,
						this.subQueryIndex );
			}
			return rdSave;
		}
	}
	
}