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
/**
	 * Gets the expressions that needs to be available at the beginning of the group/list, as an unordered
	 * collection of <code>IBaseExpression</code> objects.
	 * @deprecated use getResultSetExpressions( ) instead
	 */
	public Collection getBeforeExpressions() 
	{
		return beforeExpressions;
	}
	
	/**
	 * @param name
	 * @param expression
	 */
	public void addResultSetExpression( String name, IBaseExpression expression )
	{
		this.resultExprsMap.put( name, expression );
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.api.IBaseTransform#getResultSetExpressions()
	 */
	public Map getResultSetExpressions( )
	{
		return this.resultExprsMap;
	}
	
}