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
ITotalExprBindings totalExpressionBindings )
				throws BirtException
		{
			IBinding[] bindings = totalExpressionBindings.getColumnBindings( );
			if ( bindings != null )
			{
				for ( int i = 0; i < bindings.length; i++ )
				{
					query.addBinding( bindings[i] );
				}
			}
		}
		/**
		 * finish the current visit. transform the expressions of the query.
		 * 
		 * @param item
		 * @param query
		 */
		private void transformExpressions( ReportItemDesign item,
				IBaseQueryDefinition query ) throws BirtException
		{
			
			
			if ( query != null )
			{
				transformExpressions( item, query, null );
			}
		}
	}
}