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
if ( queryService.getQueryDefn( ).cacheQueryResults( ) )
						{
							 
							
							new ResultIterator( new ResultService( context,
									this ), odiIterator, this.queryScope ).close( );
							iterator = new CacheResultIterator( context,
									this );
						}else
						{
							iterator = new ResultIterator( new ResultService( context,
									this ), odiIterator, this.queryScope );
						}
					}
					else
					{
						if ( queryService.getQueryDefn( ).cacheQueryResults( ) )
						{
							 
							
							new ResultIterator2( new ResultService( context,
									this ), odiIterator, this.queryScope ).close( );
							iterator = new CacheResultIterator( context,
									this );
						}
						else
						{
							iterator = new ResultIterator2( new ResultService( context,
									this ),
									odiIterator,