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
}
			}
			else
			{
				query = createQuery( text, value );
			}
			HashMap exprs = text.getExpressions( );
			if ( exprs != null )
			{
				Iterator ite = exprs.entrySet( ).iterator( );
				while ( ite.hasNext( ) )
				{
					Map.Entry entry = (Map.Entry) ite.next( );
					assert entry.getValue( ) instanceof String;
					try
					{
						String newExpr = transformExpression( entry.getValue( )
								.toString( ), query, null );
						entry.setValue( newExpr );
					}
					catch ( BirtException ex )
					{
						context.addException( text.getHandle( ), ex );
						entry.setValue( null );
					}
				}
			}
			try
			{
				transformExpressions( text, query );