Bug 147977 Chart editor does not use container's column bindings
1) create data source 2) create data set: select * from customers 3) create table 4) bind country, customer name to table 5) group by country 6) create a binding for total_by_country which aggregates # of customers in each country. put a data element in group footer and bind to total_by_country 7) in group header put chart 8) in data tab specify inherit from container Result: You see columns for report data set created in step 2. Expected Result: Just 3 columns for the 3 bindings created in 4 and 6.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/api/querydefn/BaseQueryDefinition.java
parentQuery = parent;
	}
	
	/**
	 * Returns the group definitions as an ordered collection of <code>GroupDefinition</code>
	 * objects. Groups are organizations within the data that support
	 * aggregation, filtering and sorting. Reports use groups to trigger
	 * level breaks.
	 * 
	 * @return the list of groups. If no group is defined, null is returned.
	 */
	
	public List getGroups( )
	{
		return groups;
	}
	/**
	 * Appends a group definition to the group list.
	 * @param group Group definition to add
	 */
	public void addGroup( GroupDefinition group )
	{
	    groups.add( group );
	}
	
	/**
	 * Indicates if the report will use the detail rows. Allows the data
	 * transform engine to optimize the query if the details are not used.
	 * 
	 * @return true if the detail rows are used, false if not used