Bug 151535 Parameters are invisable in Joint Dataset
Trying to use "Joint Dataset" combined with parameters within underlaying Data-Sets (neccessary to achive a filtering where clause for a DateTime Field) Parameter editing ( e.g. in Chart designer) do not show the entire parameter. As specified it should show and let to edit a combination of both underlaying datasets' parameters.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/PreparedJointDataSourceQuery.java
{
		
		private IPreparedDSQuery odiPreparedQuery;
		/**
		 * @return prepared query
		 */
		public IPreparedDSQuery getPreparedOdiQuery( )
		{
			return odiPreparedQuery;
		}
		/*
		 * @see org.eclipse.birt.data.engine.impl.PreparedQuery.Executor#createOdiDataSource()
		 */
		protected IDataSource createOdiDataSource( ) throws DataException
		{
			return null;
		}