Bug 153507 Bogus error when bad data set column referenced in group key
Run attached report design. Its group key binding column, "groupkey", is defined to refer to a non-existing data set column: dataSetRow["bad"]. However the actual error seen when previewing the report in BIRT designer: Table (id = 6): + A BIRT exception occurred: Error evaluating Javascript expression. Script engine error: TypeError: valueOf is not a function. Script source: null, line: 0, text: <compiled script>. See next exception for more information. Error evaluating Javascript expression. Script engine error: TypeError: valueOf is not a function. Script source: null, line: 0, text: <compiled script> This error is completely irrelevant to the actual cause of the problem.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryExecutor.java
{
	private IBaseQueryDefinition baseQueryDefn;
	private AggregateTable aggrTable;
	
	
	private Scriptable sharedScope;
	
	
	private Scriptable parentScope;
	
	private Scriptable queryScope;
	private boolean isPrepared = false;
	private boolean isExecuted = false;
	private Map queryAppContext;
	
	private int nestedLevel = 1;
	
	protected DataSourceRuntime dataSource;
	protected DataSetRuntime dataSet;
	protected IDataSource odiDataSource;
	protected IQuery odiQuery;
	
	protected IQueryService outerResults;
	private IResultIterator odiResult;
	private IExecutorHelper parentHelper;
	private List temporaryComputedColumns = new ArrayList( );