Bug 200500 Error happens while share result set from item behind it.[0005]
Description: Error happens while share result set from item behind it. Build number:2.2.1.v20070820 Steps to reproduce: 1. New sample data source and dataset. 2. Drag the dataset to Layout and name it t1. 3. Insert a table before t1 and share result set from t1. 4. Preview. Expected result: If this situation isn't supported by Engine, at least we should provide friendly error message. Actual result: Error happened while running the report. Error log:n/a
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryResults.java
{
		
		private DataEngineContext context;
		private QueryResults queryResults;
		
		/**
		 * @param queryResults
		 */
		public ResultService( DataEngineContext context,
				QueryResults queryResults )
		{
			this.context = context;
			this.queryResults = queryResults;
		}		
		/*
		 * @see org.eclipse.birt.data.engine.impl.IResultService#getContext()
		 */
		public DataEngineContext getContext( )
		{
			return context;
		}