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/api/querydefn/BaseTransform.java
else if ( expressionTiming == AFTER_LAST_ROW )
	    {
	        afterExpressions.add( expression );
	    }
	    else 
	    {
	        rowExpressions.add( expression );
	    }
	}
	
	
	/**
	 * Gets the expressions that needs to be calculated per detail row, as an unordered
	 * collection of <code>IBaseExpression</code> objects
	 * @deprecated use getResultSetExpressions( ) instead
	 */
	public Collection getRowExpressions() 
	{
		return rowExpressions;
	}
	
	/**
	 * Gets the expressions that needs to be available at the end of the group/list, as an unordered
	 * collection of <code>IBaseExpression</code> objects.
	 * @deprecated use getResultSetExpressions( ) instead
	 */
	public Collection getAfterExpressions() 
	{
		return afterExpressions;
	}