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/APITestCase.java
{
		private String tableName;
		private String createSql;
		private String dataFileName;
		/**
		 * @param tableName, used table name
		 * @param createSql, sql to create table
		 * @param dataFileName, data to insert table
		 */
		public DataSourceInfo( String tableName, String createSql,
				String dataFileName )
		{
			this.tableName = tableName;
			this.createSql = createSql;
			this.dataFileName = dataFileName;
		}
	}
	
	/**
	 * @throws Exception
	 */
	protected void closeDataSource( ) throws Exception