Bug 212478 Exception occurs when preview the table including a Autotext
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/ReportQueryBuilder.java
return null;
					
				}
				
				return createSubQuery( item, parentQuery );
			}
			
			
			
			QueryDefinition query = new QueryDefinition( parentQuery );
			query.setDataSetName( dsHandle.getQualifiedName( ) );
			
			query.getInputParamBindings( )
					.addAll(
							createParamBindings( designHandle
									.paramBindingsIterator( ) ) );
			
			query.setMaxRows( maxRows );
			Iterator iter = designHandle.columnBindingsIterator( );
			while ( iter.hasNext( ) )
			{
				ComputedColumnHandle binding = (ComputedColumnHandle) iter
						.next( );
				try
				{
					addColumBinding( query, binding );
				}
				catch ( BirtException ex )
				{
					context.addException( designHandle, ex );