Bug 132515 Expression like "Toltal.rank(Tolta.ave(row[a]),ture,Null,1)" is return an error
Description: Add an expression like "Toltal.rank(Tolta.ave(row[a]),ture,Null,1)" is return an error.The nesting "Toltal" seem not to be work. Step to reproduce: 1.new a datasource and dataset 2.drag the dataset to layout veiw for a table 3.set a group on the table 4.Insert a data into the group header with the expression e.g. "Toltal.rank(Tolta.ave(row[a]),ture,Null,1)" Actual result: An error was thrown out Expected result: It should work correctly in order to support some requirments
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryExecutor.java
QueryExecutor.class.getName( ),
				"execute",
				"Finish executing" );
	}
	private void resetComputedColumns( )
	{
		List l = this.getDataSet( ).getComputedColumns( );
		if ( l != null )
			l.removeAll( this.temporaryComputedColumns );
	}
	/*
	 * Closes the executor; release all odi resources
	 * 
	 * @see org.eclipse.birt.data.engine.impl.IQueryExecutor#close()
	 */
	public void close( )
	{
		if ( odiQuery == null )
		{
			
			logger.logp( Level.FINER,
					QueryExecutor.class.getName( ),
					"close",
					"executor closed " );
			return;
		}
		
		try
		{
			dataSet.beforeClose( );