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.tests/test/org/eclipse/birt/data/engine/binding/ColumnBindingTest.java
{
					archiveWriter = new FileArchiveWriter(fileName);
					archiveWriter.initialize();
				}
				catch (IOException e) 
				{
					throw new IllegalArgumentException( e.getMessage() );
				}
				return DataEngineContext.newInstance( DataEngineContext.MODE_GENERATION,
						null,
						null,
						archiveWriter );
			}
			case DataEngineContext.MODE_PRESENTATION :
			{
				try 
				{
					archiveReader = new FileArchiveReader(fileName);
					archiveReader.open();
				} 
				catch (IOException e) 
				{
					throw new IllegalArgumentException( e.getMessage() );
				}
				return DataEngineContext.newInstance( DataEngineContext.MODE_PRESENTATION,
						null,
						archiveReader,
						null );
			}
			default :