Bug 187445 The joint result of script computed column is incorrect[07]
Description: 1, Each dataset including a computed column: name: index; type:integer; expression:0 2, Specify the script of datasets to: beforeOpen: index=0; onFetch: row["index"] = index; index++; 3, Join the two datasets Build number: 2.2.0.v20070516-0630 Steps to reproduce: 1, open the attached report design 2, open the joint dataset and preview Actual result: The result of column Data "Set1::index" is all 0 but no value 1.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/transform/pass/DataSetProcessUtil.java
false,
						this.session );
			AggregationHelper helper = new AggregationHelper( new AggrDefnManager( aggrInfos ),
					this.populator );
			AggrComputedColumnHelper ccHelper = new AggrComputedColumnHelper( helper,
					aggrNames );
			this.populator.getQuery( ).getFetchEvents( ).add( 0, ccHelper );
			PassUtil.pass( populator,
					new OdiResultSetWrapper( populator.getResultIterator( ) ),
					false,
					this.session );
			this.populator.getQuery( ).getFetchEvents( ).remove( 0 );
		}
		finally
		{
			Context.exit( );
		}
	}
	/**
	 * 
	 * @throws DataException
	 */
	private void doDataSetFilter( boolean changeMaxRows ) throws DataException
	{
		if(	!psController.needDoOperation( PassStatusController.DATA_SET_FILTERING ))
			return;
				
		
		applyFilters( FilterByRow.DATASET_FILTER,
				changeMaxRows );