Bug 206279 Removed computed cols listed in expression builder[07]
Description: Removed computed column listed in expression builder inside DataSet Editor dialog Build number:2.2.2.v20071011 Steps to reproduce: 1. New data source and dataset. 2. Add a computed column in dataset and click OK. 3. Open the dataset, remove the computed column. 4. Add a new computed column and check columns in available Data Sets. Expected result: The removed computed column isn't there. Actual result: The removed computed column is still there for selection. Error log:n/a
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/util/DataSetProvider.java
if ( dsHandle.getName( )
						.equals( ( (IJointDataSetDesign) dataSetDesign ).getLeftDataSetDesignName( ) )
						|| dsHandle.getName( )
								.equals( ( (IJointDataSetDesign) dataSetDesign ).getRightDataSetDesignName( ) ) )
				{
					getDataSetDesign( session,dsHandle, true, true );
				}
			}
		}
	}
	/**
	 * 
	 * @param dataSet
	 * @return
	 * @throws BirtException
	 */
	public DataRequestSession getDataRequestSession( DataSetHandle dataSet )
			throws BirtException
	{
		if ( sessionTable.get( dataSet.getName( ) ) != null )
			return (DataRequestSession) sessionTable.get( dataSet.getName( ) );
		else
		{
			DataSessionContext context = new DataSessionContext( DataSessionContext.MODE_DIRECT_PRESENTATION,
					dataSet.getModuleHandle( ) );
			DataRequestSession session = DataRequestSession.newSession( context );
			sessionTable.put( dataSet.getName( ), session );
			return session;
		}
	}