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
return this.prototype.getResultSetCache( );
		}
		public int getRowCount( ) throws DataException
		{
			return 1;
		}
		public int getStartingGroupLevel( ) throws DataException
		{
			return 0;
		}
		public void last( int groupingLevel ) throws DataException
		{
			this.prototype.last( groupingLevel );
		}
		public boolean next( ) throws DataException
		{
			if ( !this.isFirstRowFetched )
			{
				this.isFirstRowFetched = true;
				return true;
			}
			return false;
		}
	}
	/**
	 * 
	 * @author Administrator
	 *
	 */
	private class DummyResultIterator extends ResultIterator