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/QueryExecutor.java
dataSource.openOdiDataSource( odiDataSource );
				
				dataSource.afterOpen();
			}
			else
			{
				
				odiDataSource = dataSource.getOdiDataSource();
				
				 
				
			    odiDataSource.setAppContext( queryAppContext );
			}
		}
	}
	
	/**
	 * Populates odiQuery with this query's definitions
	 * 
	 * @throws DataException
	 */
	protected void populateOdiQuery( ) throws DataException
	{
		assert odiQuery != null;
		assert this.baseQueryDefn != null;
		
		Context cx = Context.enter();
		try
		{