Bug 124444 Preview attached file in pdf will display nothing.
Description: Preview attached file in pdf will display nothing. Steps to reproduce: 1. Preview attached design file in pdf Expected result: Report content shows Actual result: Wait for 10 minutes but nothing showed at all
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/DteDataEngine.java
}
			}
		} else if ( query instanceof ISubqueryDefinition )
		{
			
			
			if ( rsStack.isEmpty( ) )
			{
				return null;
			}
			assert ( rsStack.getLast( ) instanceof DteResultSet );
			try
			{
				DteResultSet parent = ( DteResultSet ) rsStack.getLast( );
				ISubqueryDefinition subQuery = ( ISubqueryDefinition ) query;
				String subQueryName = subQuery.getName( );
				IResultIterator parentRI = parent.getResultIterator( );
				IResultIterator ri = parentRI.getSecondaryIterator(
						subQueryName, context.getSharedScope( ) );
				assert ri != null;
				DteResultSet dRS = new DteResultSet( parent, subQueryName, ri,
						this, context );
				rsStack.addLast( dRS );
				return dRS;
			} catch ( BirtException e )
			{
				logger.log( Level.SEVERE, e.getMessage( ), e );
				context.addException( e );
				return null;
			}