Bug 200885 Invalid group key column name: _{$TEMP_GROUP_1$} occurs when preview attached report[1102]
Description: Open the attached report design and preview. Actual result: Exception occurs: Invalid group key column name: _{$TEMP_GROUP_1$}_Invalid group key column name: _{$TEMP_GROUP_1$}_ ( 2 time(s) ) detail : org.eclipse.birt.report.data.adapter.api.AdapterException: Invalid group key column name: _{$TEMP_GROUP_1$}_Invalid group key column name: _{$TEMP_GROUP_1$}_ at org.eclipse.birt.report.data.adapter.impl.DataRequestSessionImpl.prepare(DataRequestSessionImpl.java:476) at org.eclipse.birt.report.engine.data.dte.DteDataEngine.doPrepareQuery(DteDataEngine.java:100) at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.prepare(AbstractDataEngine.java:138) at org.eclipse.birt.report.engine.executor.ReportExecutor.execute(ReportExecutor.java:94) at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportExecutor.execute(WrappedReportExecutor.java:59) at org.eclipse.birt.report.engine.internal.executor.dup.SuppressDuplciateReportExecutor.execute(SuppressDuplciateReportExecutor.java:50) at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportExecutor.execute(WrappedReportExecutor.java:59) at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.doRun(RunAndRenderTask.java:138) at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:68) at org.eclipse.birt.report.service.ReportEngineService.runAndRenderReport(Unknown Source) at org.eclipse.birt.report.service.ReportEngineService.runAndRenderReport(Unknown Source) at org.eclipse.birt.report.service.BirtViewerReportService.runAndRenderReport(Unknown Source) at org.eclipse.birt.report.service.actionhandler.BirtGetPageAllActionHandler.__execute(Unknown Source) at org.eclipse.birt.report.service.actionhandler.AbstractBaseActionHandler.execute(Unknown Source)
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/PreparedJointDataSourceQuery.java
List obList = new ArrayList( );
			for ( int i = 0; i < obs.length; i++ )
				obList.add( obs[i] );
			return obList;
		}
		/**
		 * @return
		 */
		private boolean doesLoadFromCache( )
		{
			PreparedJointDataSourceQuery self = PreparedJointDataSourceQuery.this;
			return getDataSetCacheManager()
					.doesLoadFromCache( null,
							dataSetDesign,
							null,
							appContext,
							DataSetCacheUtil.getCacheOption( self.dataEngine.getContext( ),
									appContext ),
							DataSetCacheUtil.getCacheCount( self.dataEngine.getContext( ), appContext ));
		}
		/**
		 * @return
		 */
		private boolean doesSaveToCache( )
		{
			return getDataSetCacheManager().doesSaveToCache( );
		}
	}
}